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Engine Control Module --, 2012-2014 MY

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illumination
P0045 Wastegate Bypass Regulator Valve Circuit Open -- Check the Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING .
  • Signal Voltage < 4.7 V
  • ECM Power stage = Off
 480 ms
  • 2 DCY
P0047 Wastegate Bypass Regulator Valve Circuit Short to Ground -- Check the Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING .
  • Signal Voltage < 2.97 V
  • ECM Power stage = Off
 480 ms
  • 2 DCY
P0048 Wastegate Bypass Regulator Valve Circuit Short to Battery voltage -- Check the Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING .
  • Signal Current > 3.0 A
  • ECM Power stage = Active
 480 ms
  • 2 DCY
P0071 Ambient Air Temperature Sensor Circuit Range / Performance -- Check the Outside Air Temperature Sensor -G17- Refer to AMBIENT AIR TEMPERATURE SENSOR CHECKING  or the Repair Information for Instrument Cluster / Sensor diagnosis.
  • Temperature difference to at least 3 other temperature sensors at startup > 45 K
  • Engine off time > 9 hrs
  • IAT change after engine start < 5° K
  • ECT sensor 1 or 2 < 30° C
  • decrease of coolant temperature 1 or 2 after engine start < 5° K
 60 s, including 20 s continuous driving with velocity exceeding 25 mph,
  • Continuous
  • 2 DCY
cross check of temperature sensors (engine part) at cold start conditions
  • temperature difference to at least 3 other temperature sensors during cold start > 20 K
  • engine off time, > 25200 s
  • decrease of intake air temperature and environmental temperature after engine start < 5 K
  • coolant temperature 1 or 2 (only active in case of block heater installation coded) < 30° C
  • decrease of coolant temperature 1 or 2 after engine start < 5 K (2 K in case of block heater installation coded)
 60s, including 20s continuous driving with velocity exceeding 25 mph, (300s including 20s continuous driving with velocity exceeding 25 mph, in case of block heater installation coded)
  • 2 DCY with cold start
P0072 Ambient Air Temperature Sensor Circuit Low -- Check the Outside Air Temperature Sensor -G17- Refer to AMBIENT AIR TEMPERATURE SENSOR CHECKING  or the Repair Information for Instrument Cluster / Sensor diagnosis.
  • Error message sent from Cluster to ECU
  • Communication time after Ignition On > 1 s.
 2 s
  • 2 DCY
P0073 Ambient Air Temperature Sensor Circuit High -- Check the Outside Air Temperature Sensor -G17- Refer to AMBIENT AIR TEMPERATURE SENSOR CHECKING  or the Repair Information for Instrument Cluster / Sensor diagnosis.
  • Error message sent from Cluster to ECU
  • Communication time after Ignition On > 1 s.
 2 s
  • 2 DCY
P0087 Fuel Rail Pressure Control Too Low -- Check the Fuel Metering Valve -N290-. Refer to FUEL METERING VALVE, CHECKING .-- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING .
  • Control deviation > 150 - 200 Bar
  • Exceeding absolute rail pressure limits < 120 - 125 Bar
  • closed loop rail pressure control
 800 ms
  • Continuous
  • 2 DCY
P0088 Fuel Rail Pressure Control Too High -- Check the Fuel Metering Valve -N290-. Refer to FUEL METERING VALVE, CHECKING .-- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING .
  • Control deviation < -200 to -300 Bar
  • Exceeding absolute rail pressure limits > 1950 Bar
  • closed loop rail pressure control
  • delay-time for detection of a defect metering-unit >90 Sec. after engine start
 240 ms
  • Continuous
  • 2 DCY
P0090 Fuel Pressure Regulator Circuit Open -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING .-- Check the Fuel Metering Valve -N290-. Refer to FUEL METERING VALVE, CHECKING 
  • Signal Voltage < 4.7 V
  • ECM Power stage = permanently high
 0.26 s
  • Continuous
  • 2 DCY
P0091 Fuel Pressure Regulator Circuit Short to Ground -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING .-- Check the Fuel Metering Valve -N290-. Refer to FUEL METERING VALVE, CHECKING 
  • Signal Voltage < 2.97 V
  • ECM Power stage = permanently high
 0.26 s
  • Continuous
  • 2 DCY
P0092 Fuel Pressure Regulator Control Circuit Short to Battery Voltage -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING .-- Check the Fuel Metering Valve -N290-. Refer to FUEL METERING VALVE, CHECKING 
  • Signal Current > 3.0 A
  • ECM Power stage = permanently Low
 0.26 s
  • Continuous
  • 2 DCY
P00AF Charge Air Pressure Sensor Circuit Dynamic Response -- Check the Charge Pressure Actuator Position Sensor -G581-. Refer to CHARGE PRESSURE ACTUATOR POSITION SENSOR, CHECKING .-- Check the Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING .
  • characteristic value (amplitude of air mass) < 1 - 1.7 %
  • boost pressure = 715-1100 hPa
  • Engine RPM < 950 RPM
  • Vehicle Speed = 0 MPH
  • APP = 0 %
  • Torque Demand = < 5 Nm
  • friction moment (calculated) < 80 Nm
  • ambient temperature > -20° C
  • ECT > 60° C
  • throttle valve position = 90-105 %
  • difference between target and actual idle speed < 100 rpm
  • DPF regeneration mode = off
 10 s
  • 2 DCY
  • actuator stuck open > 17%
  • actuator stuck Closed < 17%
  • Time after start > 9.6 min.
 16 s
P00C6 Fuel Rail Pressure Control Monitoring of fuel Pressure during Engine Start (Cranking) -- Check the Fuel Metering Valve -N290-. Refer to FUEL METERING VALVE, CHECKING .-- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING .-- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .
  • Fuel rail pressure is < 120 to 180 bar
  • Ambient temperature > -7° C
  • Battery voltage before cranking 9.5 V
  • Ambient pressure > 740 hPa
  • Engine speed > 75 RPM
  • Engine condition = cranking
 9.5 s
  • Continuous
  • 2 DCY
P00D1 HO2 Sensor Heater Control Performance -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • battery voltage < exhaust gas flow rate, exhaust gas temperature at sensor element
  • Sensor temperature < 720° C
  • Heater control = active
  • Ambient temperature > -10° C
  • Baro > 750 hPa
  • Battery voltage > 10.7 V
  • Modeled dewpoint = exceeded
 20 min. (up and down debouncing)
  • 2 DCY
P00D2 O2S Bank 1 Sensor 2 Heater Output Warm Up Time Exceeded -- Check the Heated Oxygen Sensor (HO2S) -G130-. Refer to.
  • Battery voltage < f (exhaust gas flow rate, exhaust gas temperature at sensor element)
  • Sensor temperature < 720 °C
  • Ambient temperature > -10 °C
  • Baro > 750 hPa
  • Battery voltage > 10.7 V
  • LSU heater control active
  • Modeled dewpoint exceeded
 20 min. up and down debouncing
  • 2 DCY
P00D5 HO2 Sensor 1 and HO2 Sensor 2 Offset Adaption -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • Offset air fuel ratio > 0.05 [-]
  • Battery voltage > 10.7 V
  • Heater control = active
  • Modeled dewpoint = exceeded
Requirements for adaptation:
  • multiple phases with high and low lambda (total duration of 48 s at fuel-cut off and total duration of 77 s at engine speed > 750 rpm and < 930 rpm; inj. quantity > 2 mg/stroke and < 10 mg/stroke; air mass > 200 mg/stroke and < 350 mg/stroke, calc. lambda < 2.5; coolant temp. > 65° C) are required. EWMA filtering over 10 idle phases.
 48 - 77 s
  • Continuous
  • 2 DCY
P0101 Mass Air Flow Circuit Plausibility check -- Check the Mass Air Flow (MAF) Sensor -G70-. Refer to MASS AIR FLOW SENSOR, CHECKING . Plausibility check by model air mass min.
  • ratio of model air mass and actual airflow mass < 0.84 [-]
  • Engine Running
  • EGR valve > 99.5%
  • Fuel quantity < 0.2 mg/stroke
  • Engine speed > 1000 or < 2500 RPM
  • ECT > 59.96° C
  • Exhaust throttle valve > 89.5 and < 100.5%
  • EGR valve low pressure > 99.5%
  • Intake flap > -1 and < 10%
  • Throttle valve > 99 and < 100.5%
 10 s
  • 2 DCY
Plausibility check by model air mass max.
  • ratio of model air mass and actual airflow mass > 1.8 [-]
 8 s
Mass Air Flow Circuit Range Check High Temp. Calculated Value
  • PWM signal period time > 60 ms
  • engine running
  • Battery Voltage > 9.5 V
 600 ms
Mass Air Flow Circuit Range Check Low Temp. Calculated Value
  • PWM signal period time < 40 ms
  • engine running
  • Battery Voltage > 9.5 V
P0102 Mass Air Flow Circuit Low Input -- Check the Mass Air Flow (MAF) Sensor -G70-. Refer to MASS AIR FLOW SENSOR, CHECKING . Range check low calculated value:
  • PWM signal period time > 83 μs (854 kg/h)
  • Engine running
  • Delay time after engine running > 1000 ms.
  • Battery voltage > 9.5 V
 2000 ms
  • 2 DCY
Range check low Raw value:
  • PWM signal period time > 71.4 μs (900 kg/h)
  • Engine speed > 600 rpm
  • Delay Time after Engine running >1000 ms.
  • Battery voltage > 9.5 V
 600 ms
P0103 Mass Air Flow Circuit High Input -- Check the Mass Air Flow (MAF) Sensor -G70-. Refer to MASS AIR FLOW SENSOR, CHECKING . Range check High Calculated value:
  • PWM signal period time > > 667.0 μs (-57 kg/h)
  • Engine running
  • Delay time after engine running > 1000 ms
  • Battery voltage > 9.5 V
 2000 ms
  • Continuous
  • 2 DCY
Range check High Raw value:
  • Raw value PWM signal period time > 833, 35 μs (-150 kg/h)
 600 ms
P0111 Intake Air Temperature Sensor Circuit Performance -- Check Charge Air Pressure Sensor -G31- / Intake Air Temperature Sensor -G42-. Refer to CHARGE AIR PRESSURE / INTAKE AIR TEMPERATURE SENSOR, CHECKING .
  • Temperature difference to at least 3 other temperature sensors at startup > 30° K
  • Engine off time > 32400 Sec.
  • IAT change after engine start < 5° K
  • AAT change after engine start < 5° K
  • Driving speed > 25 mph
  • decrease of coolant temperature 1 or 2 after engine start < 5° K (2° K in case of block heater installation coded)
 20 s
  • Continuous
  • 2 DCY
cross check of temperature sensors (engine part) at cold start conditions
  • temperature difference to at least 3 other temperature sensors during cold start > 20 K
  • engine off time, > 25200 s
  • decrease of intake air temperature and environmental temperature after engine start < 5 K
  • coolant temperature 1 or 2 (only active in case of block heater installation coded) < 30° C
  • decrease of coolant temperature 1 or 2 after engine start < 5 K (2 K in case of block heater installation coded)
 60 s, including 20 s continuous driving with velocity exceeding 25 mph, (300 s including 20 s continuous driving with velocity exceeding 25 mph, in case of block heater installation coded)
  • 2 DCY with cold start
P0112 Intake Air Temperature Sensor Circuit Short to Ground -- Check Charge Air Pressure Sensor -G31- / Intake Air Temperature Sensor -G42-. Refer to CHARGE AIR PRESSURE / INTAKE AIR TEMPERATURE SENSOR, CHECKING .
  • Signal Voltage < 0.04 V
  • Engine running
 480 ms
  • 2 DCY
P0113 Intake Air Temperature Sensor Circuit Open or Short to Battery voltage -- Check Charge Air Pressure Sensor -G31- / Intake Air Temperature Sensor -G42-. Refer to CHARGE AIR PRESSURE / INTAKE AIR TEMPERATURE SENSOR, CHECKING .
  • Signal Voltage > 2.88 V
  • Engine running
 480 ms
  • 2 DCY
P0116 Engine Coolant Temperature Sensor Circuit warm up time plausibility -- Check the Engine Coolant Temperature Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .
  • Time for coolant temp to reach 19.96° C or increase by 10° K = > 300 s for start temp. < 10° C
OR
  • > 120 s. for start temp > 10° C
  • ECT start temp. < 19.96° C
  • EST Sensors = No Faults
-- Note: timer is paused if engine speed < 1400 rpm or fuel quantity < 9 mg/Stroke		 (See threshold values)
  • 2 DCY
cross check of temperature sensors (engine part) at cold start conditions
  • temperature difference to at least 3 other temperature sensors during cold start > 20 K
  • engine off time, > 25200 s
  • decrease of intake air temperature and environmental temperature after engine start < 5 K
  • coolant temperature 1 or 2 (only active in case of block heater installation coded) < 30° C
  • decrease of coolant temperature 1 or 2 after engine start < 5 K (2 K in case of block heater installation coded)
 60 s, including 20 s continuous driving with velocity exceeding 25 mph, (300 s including 20 s continuous driving with velocity exceeding 25 mph, in case of block heater installation coded)
  • 2 DCY with cold start
P0117 Engine Coolant Temperature Sensor Circuit Short to Ground -- Check the Engine Coolant Temperature Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .
  • Signal voltage < 0.15 V
 - 480 ms
  • Continuous
  • 2 DCY
P0118 Engine Coolant Temperature Sensor Circuit Open or Short to Battery Voltage -- Check the Engine Coolant Temperature Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .
  • Signal voltage> 3.25 V
 - 480 ms
  • Continuous
  • 2 DCY
P0121 Accelerator Pedal Position Sensor Circuit Range / Performance -- Check the Accelerator Pedal Position Sensor 1 -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to ACCELERATOR PEDAL POSITION SENSOR / ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • Signal Voltage> 1.00 V and/or < 0.4 V
  • ECT > -19.94° C and/or < 120° C
  • Battery Voltage > 10.0 V
 200 ms
  • 2 DCY
P0122 Accelerator Pedal Position Sensor Circuit Low -- Check the Accelerator Pedal Position Sensor 1 -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to ACCELERATOR PEDAL POSITION SENSOR / ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • Signal Voltage> 4.85 V
 --- 480 ms
  • 2 DCY
P0123 Accelerator Pedal Position Sensor Circuit High -- Check the Accelerator Pedal Position Sensor 1 -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to ACCELERATOR PEDAL POSITION SENSOR / ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • Signal voltage <.150 V
 --- 480 ms
  • 2 DCY
P0128 Thermostat Temperature below control range -- Check the thermostat for proper operation. Refer to the Repair Information for Diagnostic.-- Check the Engine Coolant Temperature Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .-- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to ENGINE COOLANT TEMPERATURE SENSOR ON RADIATOR OUTLET, CHECKING .
  • Measured temperature < 70° C
  • modeled temperature > 80° C
  • ECT at start < 59.96° C and/or > -10.4° C
  • Engine speed > 500 rpm
  • Testing time < 900 s
  • ECT = no fault
  • IAT = no fault
  • VSS = no fault
Model release conditions:
  • increase of ECT > 3 K
  • time since release conditions are met > 300 s
restart condition: ECT drops after io thermostat test below < 59.96 °C		 900 s (if restart conditions are met)
  • Continuous
  • 2 DCY
P0130 HO2 Sensor Circuit Short to Battery voltage -- Check the Heated Oxygen Sensor -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • virtual ground (VM) > 3 V
  • Nernst voltage (UN) > 4 V
  • adjustment voltage (IP) > 1.5 V
  • HO2 Heater temperature > 720° C
  • Battery voltage > (exhaust gas flow, exhaust gas temperature at sensor element)
 2 s
  • Continuous
  • 2 DCY
Short to Ground
  • virtual ground (VM) < 2 V
  • Nernst voltage (UN) < 1.75 V
  • adjustment voltage (IP) < 0.3 V
P0132 HO2 Sensor Circuit Short to Battery voltage -- Check the Heated Oxygen Sensor -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • Signal voltage > 3.2 V
  • HO2 heater = active
  • Modeled dewpoint = exceeded
  • HO2 heater temp between >720° C and/or < 840° C
  • Battery voltage > 10.7 V
 2 s
  • Continuous
  • 2 DCY
P0133 HO2 Sensor Circuit Slow Response -- Check the Heated Oxygen Sensor -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • Time to 30% of expected concentration increase > 2.6 s
OR
  • Time to 60% minus time to 30% > 1.5 s
OR
  • Time to 60% of expected concentration increase > 4.1 s
  • Heater control and fuel cutoff = active
  • Fuel quantity before transition to fuel cutoff > 6 mg/stroke
  • Change in fuel quantity before transition to fuel cutoff over period of 1 s < 2 mg/stroke
  • Calculated oxygen concentration before transition < 12% vol/vol
  • duration of transition to fuel cutoff < 1.1 s
  • Battery voltage > 10.7 V
  • Engine speed > 1400 RPM
  • Duration of transition plus duration of fuel cutoff > 4.1 s
2 fuel cutoff phases: (each of duration > 4.1 Sec.) that satisfy enable conditions.		 8.5 s
  • 2 DCY
P0135 HO2 Sensor Heater Circuit Rationality check -- Check the Heated Oxygen Sensor -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • HO2S ceramic temp. > 840° C
  • no fuel cut off> 0.1 s
  • dew point =exceeded
  • calibration of internal resistance = not active
  • heater control closed loop
 30 s
  • Continuous
  • 2 DCY
  • HO2S ceramic temp. < 720° C
 60 s
Short to Battery voltage
  • signal current> 2.2 A
 5 s
Short to Ground
  • signal voltage< 2.15 V
Open
  • signal voltage> 4.4 V
P0136 HO2 Sensor Circuit Short to Battery voltage -- Check Oxygen Sensor After Three Way Catalytic Converter -G130-. Refer to.
  • virtual ground (VM) > 3 V
  • Nernst voltage (UN) > 4 V
  • adjustment voltage (IP) > 1.5 V
  • Sensor element temperature >720° C
  • Battery voltage > exhaust gas flow, exhaust gas temperature at sensor element
 2 s
  • Continuous
  • 2 DCY
Short to Ground
  • virtual ground (VM) < 2 V
  • Nernst voltage (UN) < 1.75 V
  • adjustment voltage (IP) < 0.3 V
Dynamic Check virtual ground (VM)
  • virtual ground (VM) internal resistance > 1104 Ω
  • Internal signal voltage < 1.4 V and/or > 1.6 V
  • HO2 Sensor Heater temperature > 720° C
  • Battery voltage = exhaust gas flow, exhaust gas temperature at sensor element
 4 s
Dynamic Check Nernst voltage (UN)
  • Nernst voltage (UN) internal resistance > 1104Ω
  • Internal signal voltage > 3 V
Dynamic Check pump current (IP)
  • pump current (IP) < 0.005 [-]
  • Calculated oxygen concentration > 0.07 [-]
  • fuel cutoff = Not Active
  • Battery voltage > 10.7 V
 5 s
P0138 HO2 Sensor Circuit Short to Battery voltage -- Check Oxygen Sensor After Three Way Catalytic Converter -G130-. Refer to.
  • Signal voltage > 3.2 V
  • HO2 heater = active
  • Modeled dewpoint = exceeded
  • HO2 heater temp between >720° C and/or < 840° C
  • Battery voltage > 10.7 V
 2 s
  • Continuous
  • 2 DCY
P0139 HO2 Sensor Circuit Slow Response -- Check Oxygen Sensor After Three Way Catalytic Converter -G130-. Refer to.
  • Time to 30% of expected concentration increase > 2.6 s
OR
  • Time to 60% minus time to 30% > 1.5 s
OR
  • Time to 60% of expected concentration increase > 4.1 s
  • Heater control and fuel cutoff = active
  • Fuel quantity before transition to fuel cutoff > 6 mg/stroke
  • Change in fuel quantity before transition to fuel cutoff over period of 1 s < 2 mg/stroke
  • Calculated oxygen concentration before transition < 12% vol/vol
  • duration of transition to fuel cutoff < 1.1 s
  • Battery voltage > 10.7 V
  • Engine speed > 1400 RPM
  • Duration of transition plus duration of fuel cutoff > 4.1 s
2 fuel cutoff phases: (each of duration > 4.1 Sec.) that satisfy enable conditions.		 8.5 s
  • 2 DCY
P013B HO2 Sensor Bank 1 Sensor 2 Slow Response Lean to Rich -- Check Oxygen Sensor After Three Way Catalytic Converter -G130-. Refer to.
  • Time delay between oxygen signals pre and post NOx trap > 1.5 Sec. (1. sensor later than 2. sensor
  • Time delay between oxygen signals pre and post NOx trap > 0.45•••0.72 Sec. = (exhaust gas mass flow) (2. sensor later than 1. sensor)
  • demand for NOx trap = on
  • Adaptation of oxygen sensor pre and post NOx trap = realized
  • Dew point release oxygen sensor signals pre and post NOx trap = on
  • oxygen sensor signals pre and post NOx-trap< 1.1
  • Torque (LP On) Off: <60 Nm (1000 - 2000 rpm) 25 Nm (2250 - 2500 rpm) 65 Nm (2800 rpm) On: >80 Nm (1100 - 2000 rpm) 45 Nm (2250 - 2500 rpm) 85 Nm (2700 rpm) in dependance of environmental pressure (750...1000 hPa), shown values taken at 1000 hPa Off: <160 - 270 Nm (1000 - 1500 rpm) 300 Nm (1750 - 2500 rpm) 265 Nm (2800 rpm) On: >200 - 290 Nm (1100 - 1500 rpm) 320 Nm (1750 - 2500 rpm) 295 Nm (2700 rpm) in dependance of environmental pressure (750...1000 hPa), shown values taken at 1000 hPa
  • Temperature of upstream turbine < 850 °C
  • Fuel temp < 90 °C
  • APP > 1 and < 100%
  • Gear = 2
  • Engine run time > 240 Sec.
  • Exhaust gas flow > 100 and < 200 kg/h
 45 mins. (3 regeneration events)
  • 2DCY
P0141 HO2 Sensor Heater Circuit Rationality check -- Check Oxygen Sensor After Three Way Catalytic Converter -G130-. Refer to.
  • HO2S ceramic temp. > 840° C
  • no fuel cut off> 0.1 s
  • dew point =exceeded
  • calibration of internal resistance = not active
  • heater control closed loop
 30 s
  • Continuous
  • 2 DCY
  • HO2S ceramic temp. < 720° C
 60 s
Short to Battery voltage
  • signal current> 2.2 A
 5 s
Short to Ground
  • signal voltage< 2.15 V
Open
  • signal voltage> 4.4 V
P014D HO2 Sensor Bank 1 Sensor 1 Slow Response Lean to Rich -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • Time delay between oxygen signals pre and post NOx trap > 1.5 Sec. (1. sensor later than 2. sensor
  • Time delay between oxygen signals pre and post NOx trap > 0.45•••0.72 Sec. = (exhaust gas mass flow) (2. sensor later than 1. sensor)
  • demand for NOx trap = on
  • Adaptation of oxygen sensor pre and post NOx trap = realized
  • Dew point release oxygen sensor signals pre and post NOx trap = on
  • oxygen sensor signals pre and post NOx-trap< 1.1
  • Torque (LP On) Off: <60 Nm (1000 - 2000 rpm) 25 Nm (2250 - 2500 rpm) 65 Nm (2800 rpm) On: >80 Nm (1100 - 2000 rpm) 45 Nm (2250 - 2500 rpm) 85 Nm (2700 rpm) in dependance of environmental pressure (750...1000 hPa), shown values taken at 1000 hPa Off: <160 - 270 Nm (1000 - 1500 rpm) 300 Nm (1750 - 2500 rpm) 265 Nm (2800 rpm) On: >200 - 290 Nm (1100 - 1500 rpm) 320 Nm (1750 - 2500 rpm) 295 Nm (2700 rpm) in dependance of environmental pressure (750...1000 hPa), shown values taken at 1000 hPa
  • Temperature of upstream turbine < 850 °C
  • Fuel temp < 90 °C
  • APP > 1 and < 100%
  • Gear = 2
  • Engine run time > 240 Sec.
  • Exhaust gas flow > 100 and < 200 kg/h
 45 mins. (3 regeneration events)
  • 2 DCY
P0181 Fuel Temperature Sensor Circuit Range / Performance -- Check Fuel Temperature Sensor -G81-. Refer to FUEL TEMPERATURE SENSOR, CHECKING .
  • Temperature difference to at least 3 other temperature sensors at startup > 30° K
  • Engine off time > 9 hrs
  • IAT change after engine start < 5° K
  • ECT sensor 1 or 2 < 30° C
  • decrease of coolant temperature 1 or 2 after engine start < 5° K
 60 s, including 20 s continuous driving with velocity exceeding 25 mph,
  • Continuous
  • 2 DCY
cross check of temperature sensors (engine part) at cold start conditions
  • temperature difference to at least 3 other temperature sensors during cold start > 20 K
  • engine off time, > 25200 s
  • decrease of intake air temperature and environmental temperature after engine start < 5 K
  • coolant temperature 1 or 2 (only active in case of block heater installation coded) < 30° C
  • decrease of coolant temperature 1 or 2 after engine start < 5 K (2 K in case of block heater installation coded)
 60s, including 20s continuous driving with velocity exceeding 25 mph, (300s including 20s continuous driving with velocity exceeding 25 mph, in case of block heater installation coded)
  • 2 DCY with cold start
P0182 Fuel Temperature Sensor Circuit Short to Ground -- Check Fuel Temperature Sensor -G81-. Refer to FUEL TEMPERATURE SENSOR, CHECKING .
  • Signal voltage < 0.05 V
 - 480 ms
  • Once per DCY
  • 2 DCY
P0183 Fuel Temperature Sensor Circuit Open or Short to Battery voltage -- Check Fuel Temperature Sensor -G81-. Refer to FUEL TEMPERATURE SENSOR, CHECKING .
  • Signal voltage > 4.7 V
 - 480 ms
  • Once per DCY
  • 2 DCY
P0191 Fuel Pressure Sensor Circuit Offset detection during keep alive time -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .
  • Signal voltage < 0.409 V or > 0.620 V
  • Engine condition: Ignition Off, Engine Off, ECM still On
 100 ms
  • 2 DCY
Fuel Pressure Sensor Circuit Adaptation of pressure control valve (PCV)
  • Adaptation value out of limit > 130 % or < 83 %
  • Fuel temperature > -7° C or < 60° C
  • Rail pressure setpoint > 500 bar or < 1300 bar
  • Gradient of rail pressure setpoint < 800 bar/s
  • Gradient of PCV current setpoint < 300 mA/s.
 < 80 s
P0192 Fuel Pressure Sensor Circuit Short to Ground -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .
  • Signal voltage < 200 mV
 --- 140 ms
  • Continuous
  • 2 DCY
P0193 Fuel Pressure Sensor Circuit Short to Battery Voltage -- Check Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .
  • Signal voltage > 4.8 V
 --- 140 ms
  • Continuous
  • 2 DCY
  • y
P0201 Cylinder 1 Injector Circuit Open -- Check the Cylinder 1 Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING .
  • signal voltage> 60 V
  • Injector Valve = Switched On
 4 [injections]
  • Continuous
  • 2 DCY
P0202 Cylinder 2 Injector Circuit Open -- Check the Cylinder 2 Fuel Injector -N31-. Refer to FUEL INJECTORS, CHECKING .
  • signal voltage> 60 V
  • Injector Valve = Switched On
 4 [injections]
  • Continuous
  • 2 DCY
P0203 Cylinder 3 Injector Circuit Open -- Check the Cylinder 3 Fuel Injector -N32-. Refer to FUEL INJECTORS, CHECKING .
  • signal voltage> 60 V
  • Injector Valve = Switched On
 4 [injections]
  • Continuous
  • 2 DCY
P0204 Cylinder 4 Injector Circuit Open -- Check the Cylinder 4 Fuel Injector -N33-. Refer to FUEL INJECTORS, CHECKING .
  • signal voltage> 60 V
  • Injector Valve = Switched On
 4 [injections]
  • Continuous
  • 2 DCY
P020A Cylinder 1 Injection Timing -- Check Camshaft Position Sensor -G40- Refer to CAMSHAFT POSITION SENSOR, CHECKING -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .-- Check Fuel Injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING .
  • Control error < limit from MAP (engine speed and desired torque) -8 °CA to -4 °CA
OR
  • Control error < limit from MAP (engine speed and desired torque) +8 °CA to +4 °CA
  • Engine running
  • ECM in closed loop
  • ECT > 50° C
  • Baro > 750 hPa
  • Time since engine start > 30 Sec.
  • regeneration = off
 120 Rev.
  • 2 DCY
P020B Cylinder 2 Injection Timing -- Check Camshaft Position Sensor -G40- Refer to CAMSHAFT POSITION SENSOR, CHECKING -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .-- Check Fuel Injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING .
  • Control error < limit from MAP (engine speed and desired torque) -8 °CA to -4 °CA
OR
  • Control error < limit from MAP (engine speed and desired torque) +8 °CA to +4 °CA
  • Engine running
  • ECM in closed loop
  • ECT > 50° C
  • Baro > 750 hPa
  • Time since engine start > 30 Sec.
  • regeneration = off
 120 Rev.
  • 2 DCY
P020C Cylinder 3 Injection Timing -- Check Camshaft Position Sensor -G40- Refer to CAMSHAFT POSITION SENSOR, CHECKING -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .-- Check Fuel Injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING .
  • Control error < limit from MAP (engine speed and desired torque) -8 °CA to -4 °CA
OR
  • Control error < limit from MAP (engine speed and desired torque) +8 °CA to +4 °CA
  • Engine running
  • ECM in closed loop
  • ECT > 50° C
  • Baro > 750 hPa
  • Time since engine start > 30 Sec.
  • regeneration = off
 120 Rev.
  • 2 DCY
P020D Cylinder 4 Injection Timing -- Check Camshaft Position Sensor -G40- Refer to CAMSHAFT POSITION SENSOR, CHECKING -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .-- Check Fuel Injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING .
  • Control error < limit from MAP (engine speed and desired torque) -8 °CA to -4 °CA
OR
  • Control error < limit from MAP (engine speed and desired torque) +8 °CA to +4 °CA
  • Engine running
  • ECM in closed loop
  • ECT > 50° C
  • Baro > 750 hPa
  • Time since engine start > 30 Sec.
  • regeneration = off
 120 Rev.
  • 2 DCY
P0234 Charge Air Pressure Sensor Rationality Check Low -- Check Charge Air Pressure Sensor -G31- / Intake Air Temperature Sensor -G42-. Refer to CHARGE AIR PRESSURE / INTAKE AIR TEMPERATURE SENSOR, CHECKING .
  • Absolute value of control deviation > -200 - -800 hPa
  • Engine running
  • Time after start > 96 s
 7.0 s
  • Continuous
  • 2 DCY
P0236 Charge Air Pressure Sensor Circuit Plausibility Check -- Check Charge Air Pressure Sensor -G31- / Intake Air Temperature Sensor -G42-. Refer to CHARGE AIR PRESSURE / INTAKE AIR TEMPERATURE SENSOR, CHECKING .
  • difference between barometric and boost pressure signal > 150 hPa
  • Engine speed < 50 RPM
  • Baro/MAP = no faults
  • ambient pressure signal = no fault
 540 ms
  • 2 DCY
P0237 Charge Air Pressure Sensor Circuit Short to Ground -- Check Charge Air Pressure Sensor -G31- / Intake Air Temperature Sensor -G42-. Refer to CHARGE AIR PRESSURE / INTAKE AIR TEMPERATURE SENSOR, CHECKING .
  • Signal voltage < 0.214 V
  • Engine running
 480 ms
  • 2 DCY
P0238 Charge Air Pressure Sensor Circuit Open or Short to Battery voltage -- Check Charge Air Pressure Sensor -G31- / Intake Air Temperature Sensor -G42-. Refer to CHARGE AIR PRESSURE / INTAKE AIR TEMPERATURE SENSOR, CHECKING .
  • Signal Voltage > 4.88 V
  • Engine running
 480 ms
  • 2 DCY
P023A Charge Air Cooler Coolant Pump Circuit Open -- Check the Charge Air Cooling Pump -V188-. Refer to CHARGE AIR COOLANT PUMP, CHECKING 
  • Signal Voltage > 4.88 V
 Output driver off 480 s
  • Continuous
  • 2 DCY
P023B Charge Air Cooler Coolant Pump Circuit Short to Ground -- Check the Charge Air Cooling Pump -V188-. Refer to CHARGE AIR COOLANT PUMP, CHECKING 
  • Signal voltage < 0.214 V
 Output driver off 480 s
  • Continuous
  • 2 DCY
P023C Charge Air Cooler Coolant Pump Circuit Short to Battery Voltage -- Check the Charge Air Cooling Pump -V188-. Refer to CHARGE AIR COOLANT PUMP, CHECKING 
  • Signal Current > 3.0 A
 Output driver on 480 s
  • Continuous
  • 2 DCY
P0263 Cylinder 1 Zero fuel calibration (monitoring of fuel calibration values) -- Check the Cylinder 1 Internal Pressure Sensor -G620-. Refer to CYLINDER COMBUSTION CHAMBER PRESSURE SENSOR, CHECKING .-- Check the Cylinder 1 Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING .-- The ECM may need to be programmed using a VAS 50XX (available for rental from your local Dealer or equivalent scan tool), with the calibration number stamped on the injectors or for an injector that was replaced during diagnosis you must change the individual calibration number
  • Calibration value of injector energizing time > 217 μs or < 117 μs (at 1400 bar rail pressure).
 Enable conditions for adaption:
  • Engine speed > 1050 RPM or < 2000 RPM (1400 RPM with 6 Gear MT)
  • Fuel temperature > 0° C or < 80° C
  • Intake air temp > 0° C
  • ECT > 70° C
  • Boost pressure > 880 hpa
  • Gear 3, 4, 5 or 6th
  • Engine condition: Fuel cutoff Off and inactive regeneration
  • Absolute value of rail pressure deviation < 50 bar (set point = 1400 bar)
  • adaption: ≤ 2 UDC Cycles
  • Continuous
  • 1 DCY
P0266 Cylinder 2 Zero fuel calibration (monitoring of zero fuel calibration values) -- Check the Cylinder 2 Internal Pressure Sensor -G621-. Refer to CYLINDER COMBUSTION CHAMBER PRESSURE SENSOR, CHECKING .-- Check the Cylinder 2 Fuel Injector -N31-. Refer to FUEL INJECTORS, CHECKING .-- The ECM may need to be programmed using a VAS 50XX (available for rental from your local Dealer or equivalent scan tool), with the calibration number stamped on the injectors or for an injector that was replaced during diagnosis you must change the individual calibration number
  • Calibration value of injector energizing time > 217 μs or < 117μs (at 1400 bar rail pressure).
 Enable conditions for adaption:
  • Engine speed > 1050 RPM or < 2000 RPM (1400 RPM with 6 Gear MT)
  • Fuel temperature > 0° C or < 80° C
  • Intake air temp > 0° C
  • ECT > 70° C
  • Boost pressure > 880 hpa
  • Gear 3, 4, 5 or 6th
  • Engine condition: Fuel cutoff Off and inactive regeneration
  • Absolute value of rail pressure deviation < 50 bar (set point = 1400 bar)
  • adaption: ≤ 2 UDC Cycles
  • Continuous
  • 1 DCY
P0269 Cylinder 3 Zero fuel calibration (monitoring of zero fuel calibration values) -- Check the Cylinder 3 Internal Pressure Sensor -G622-. Refer to CYLINDER COMBUSTION CHAMBER PRESSURE SENSOR, CHECKING .-- Check the Cylinder 3 Fuel Injector -N32-. Refer to FUEL INJECTORS, CHECKING .-- The ECM may need to be programmed using a VAS 50XX (available for rental from your local Dealer or equivalent scan tool), with the calibration number stamped on the injectors or for an injector that was replaced during diagnosis you must change the individual calibration number
  • Calibration value of injector energizing time > 217 μs or < 117μs (at 1400 bar rail pressure).
 Enable conditions for adaption:
  • Engine speed > 1050 RPM or < 2000 RPM (1400 RPM with 6 Gear MT)
  • Fuel temperature > 0° C or < 80° C
  • Intake air temp > 0° C
  • ECT > 70° C
  • Boost pressure > 880 hpa
  • Gear 3, 4, 5 or 6th
  • Engine condition: Fuel cutoff Off and inactive regeneration
  • Absolute value of rail pressure deviation < 50 bar (set point = 1400 bar)
  • adaption: ≤ 2 UDC Cycles
  • Continuous
  • 1 DCY
P026A Charge Air Cooler Efficiency Below Threshold -- Check the Charge Air Cooling Pump -V188-. Refer to CHARGE AIR COOLANT PUMP, CHECKING .-- Check the Charge Air Pressure Sensor -G31- / Intake Air Temperature Sensor -G42-. Refer to CHARGE AIR PRESSURE / INTAKE AIR TEMPERATURE SENSOR, CHECKING .
  • Charge air intercooler efficiency < 0.4 [-]
  • ECT > 59.95° C and/or < 125° C
  • Vehicle speed > 20 MPH and/or < 80 MPH
  • Engine running
  • Charge air flow rate > 60 and < 400 kg/h
  • Ambient temp > -7° C and/or < 45° C
  • Baro > 750 hPa and/or < 1150 hPa
  • Fuel quantity > 6 mg/stroke
 120 s
  • Continuous
  • 2 DCY
P0272 Cylinder 4 Zero fuel calibration (monitoring of zero fuel calibration values) -- Check the Cylinder 4 Internal Pressure Sensor -G623-. Refer to CYLINDER COMBUSTION CHAMBER PRESSURE SENSOR, CHECKING .-- Check the Cylinder 4 Fuel Injector -N33-. Refer to FUEL INJECTORS, CHECKING .-- The ECM may need to be programmed using a VAS 50XX (available for rental from your local Dealer or equivalent scan tool), with the calibration number stamped on the injectors or for an injector that was replaced during diagnosis you must change the individual calibration number
  • Calibration value of injector energizing time > 217 μs or < 117μs (at 1400 bar rail pressure).
 Enable conditions for adaption:
  • Engine speed > 1050 RPM or < 2000 RPM (1400 RPM with 6 Gear MT)
  • Fuel temperature > 0° C or < 80° C
  • Intake air temp > 0° C
  • ECT > 70° C
  • Boost pressure > 880 hpa
  • Gear 3, 4, 5 or 6th
  • Engine condition: Fuel cutoff Off and inactive regeneration
  • Absolute value of rail pressure deviation < 50 bar (set point = 1400 bar)
  • Adaption: ≤ 2 UDC Cycles
  • Continuous
  • 1 DCY
P0299 Charge Air Pressure Sensor Rationality Check High -- Check the Charge Air Pressure Sensor -G31- / Intake Air Temperature Sensor -G42-. Refer to CHARGE AIR PRESSURE / INTAKE AIR TEMPERATURE SENSOR, CHECKING .
  • Absolute value of control deviation > 400 - 800 hPa
  • Engine running
  • Time after start > 96 s
 7.5 s
  • Continuous
  • 2 DCY
P0300 Misfire Detected Multiple Cylinder -- Check the Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .-- Check the Camshaft Position Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .-- Check the Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .
  • Rise in engine speed after fuel injection: Calculated based on values from last two engine revolutions
  • Error threshold: 180 counts over 440 crankshaft revolutions
  • Engine speed, > 750 RPM
  • Engine speed, < 1100 RPM
  • Fuel quantity > 2.5 mg/stroke
  • Fuel quantity < 25 mg/stroke
  • ECT, > 30° C
  • Time since start, > 5000 ms
  • Time since clutch status change, >1000 ms
 < 880 Engine Rev.
  • Once per DCY
  • 2 DCY
P0301 Cylinder 1 Misfire Detected -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .-- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .
  • misfire rate within 1000 engine revolutions > 10%
  • misfire event detection if actual inner torque < 2, 5 Nm
  • Engine speed, > 770
  • Engine speed, < 4000 RPM
  • Fuel quantity > 4.8 mg/stroke
  • ECT, > -7° C
  • ECT, < 120° C
  • IAT, >-7° C
  • Time since start, > 5000 ms
  • Time since positive engine torque desire, >1000 ms
  • Desire inner torque, > 45 Nm.
  • Environmental pressure, > 750 hPa.
 < 880 Engine Rev.
  • Once per DCY
  • 2 DCY
P0302 Cylinder 2 Misfire Detected -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .-- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .
  • misfire rate within 1000 engine revolutions > 10%
  • misfire event detection if actual inner torque < 2, 5 Nm
  • Engine speed, > 770 RPM
  • Engine speed, < 4000 RPM
  • Fuel quantity > 4.8 mg/stroke
  • ECT, > -7° C
  • ECT, < 120° C
  • IAT, >-7° C
  • Time since start, > 5000 ms
  • Time since positive engine torque desire, >1000 ms
  • Desire inner torque, >45 Nm.
  • Environmental pressure, >750 hPa.
 < 880 Engine Rev.
  • Once per DCY
  • 2 DCY
P0303 Cylinder 3 Misfire Detected -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .-- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .
  • misfire rate within 1000 engine revolutions > 10%
  • misfire event detection if actual inner torque < 2, 5Nm
  • Engine speed, > 770 RPM
  • Engine speed, < 4000 RPM
  • Fuel quantity > 4.8 mg/stroke
  • ECT, > -7° C
  • ECT, < 120° C
  • IAT, >-7° C
  • Time since start, > 5000 ms
  • Time since positive engine torque desire, >1000 ms
  • Desire inner torque, >45 Nm.
  • Environmental pressure, >750 hPa.
 < 880 Engine Rev.
  • Once per DCY
  • 2 DCY
P0304 Cylinder 4 Misfire Detected -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .-- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .
  • misfire rate within 1000 engine revolutions > 10%
  • misfire event detection if actual inner torque < 2, 5Nm
  • Engine speed, > 770 RPM
  • Engine speed, < 4000 RPM
  • Fuel quantity > 4.8 mg/stroke
  • ECT, > -7° C
  • ECT, < 120° C
  • IAT, >-7° C
  • Time since start, > 5000 ms
  • Time since positive engine torque desire, >1000 ms
  • Desire inner torque, >45 Nm.
  • Environmental pressure, >750 hPa.
 < 880 Engine Rev.
  • Once per DCY
  • 2 DCY
P0321 Engine Speed Input Circuit Rationality Check -- Check the Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • Consecutive not plausible signals > 15
  • Cam phase signals without plausible signal > 4 cam rotations.
  • monitoring reference gap = failure
  • Engine Running time > 15 s
 8 engine revs.
  • Continuous
  • 2 DCY
P0322 Engine Speed Input Circuit No Signal -- Check the Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • camshaft signals> 3.00 [-]
  • crankshaft signals = No signal
  • Engine Running time > 15 s
 8 engine revs.
  • 2 DCY
P0381 Glow Plug Control Indicator Lamp Circuit (Wait to Start) -- Check the Data Bus On Board Diagnostic Interface -J533-. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .
  • Not equal with lamp request bit. (via CAN)
  • Battery voltage > 9 V
  • Glow Plug system = active
 350 ms
  • Continuous
  • 2 DCY
P0383 Glow Plug Time Control Module Control Circuit Short to Ground -- Check the Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG, CHECKING .
  • Signal voltage < 200 mV
  • Glow-System = Not Active
 500 ms
  • Continuous
  • 2 DCY
P0401 EGR System Rationality Check Low Flow Detected -- Check the EGR Motor -V338-. Refer to EGR MOTOR AND EGR POTENTIOMETER SENSOR, CHECKING .-- Check the EGR Motor 2 -V339-. Refer to EGR MOTOR 2 AND EXHAUST GAS RECIRCULATION POSITION SENSOR 2, CHECKING .
  • control deviation: EGR < -45 - -200 g/rev
  • EGR mode closed loop
  • Fuel quantity, > 2 or < 30 mg
  • Engine speed, > 800 or < 3100 RPM
 5 - 10 s
  • 2 DCY
P0402 EGR System Rationality Check Excessive Flow Detected -- Check the EGR Motor -V338-. Refer to EGR MOTOR AND EGR POTENTIOMETER SENSOR, CHECKING .-- Check the EGR Motor 2 -V339-. Refer to EGR MOTOR 2 AND EXHAUST GAS RECIRCULATION POSITION SENSOR 2, CHECKING .
  • mass air flow ratio calculated from: mass air flow measured vs. mass air flow modeled > 1.16 [-]
  • Engine condition = running
  • EGR mode closed loop
  • Fuel quantity > 2 or < 30 mg
  • Engine speed, > 1000 or < 2600 RPM
  • ECT 59.96° C
  • Exhaust Flap Motor, 100.50 % and/or > 89.50 %
  • LP EGR > 99.50 %
  • Intake Runner Flap < 10.00% and/or > -1.0 %
 5 - 10 s
  • Continuous
  • 2 DCY
P0403 HP EGR Actuator Circuit Open -- Check the EGR Motor -V338-. Refer to EGR MOTOR AND EGR POTENTIOMETER SENSOR, CHECKING .
  • signal voltage> 0.8 V or < 2.0 V
  • ECM power stage = Off
 0.6 s
  • 2 DCY
HP EGR Actuator Circuit Short to Ground or Malfunction Error
  • Signal Voltage < 150 mV
  • ECM power stage = On
 0.5 s
HP EGR Actuator Circuit Short to Battery Voltage
  • Signal Current > 8.0 A - 18 A
HP EGR Actuator Circuit Functional check: Stuck Open
  • Stuck Valve > 12.00 %
  • control deviation > 10%
 3.0 s
 
P0404 HP EGR Actuator Circuit Functional check: Stuck Close -- Check the EGR Motor -V338-. Refer to EGR MOTOR AND EGR POTENTIOMETER SENSOR, CHECKING .
  • Stuck Valve < 12.00 %
  • control deviation < -10%
 3.0 s
  • 2 DCY
P0405 HP EGR Position Sensor Circuit Short to Ground -- Check the EGR Potentiometer -G212-. Refer to EGR MOTOR AND EGR POTENTIOMETER SENSOR, CHECKING .
  • Signal Voltage < 150 mV
  • Position sensor signal > 4850 mV
  • Position sensor signal < 150 mV
 0.5 s.
  • 2 DCY
P0406 HP EGR Position Sensor Circuit Short to Battery Voltage -- Check the EGR Potentiometer -G212-. Refer to EGR MOTOR AND EGR POTENTIOMETER SENSOR, CHECKING .
  • Signal Voltage > 4.80 V
  • Position sensor signal > 4850 mV
  • Position sensor signal < 150 mV
 0.5 s
  • 2 DCY
P040B Exhaust Gas Recirculation Temperature Sensor Circuit Plausibility check -- Check EGR Temperature Sensor -G98-. Refer to EGR TEMPERATURE SENSOR, CHECKING .
  • Sensor temperature < 55° C
  • Time Engine running > 3 min.
  • ECT > 70 °C
  • Simulated sensor temp > 85 °C
  • Elapsed time since LP EGR valve open > 30 Sec.
  • characteristic for heat flow balance of EGR LP cooler system exceeds lower threshold
 10 s
  • 2 DCY
  • temperature difference to other temperature sensors during cold start > 40 K
  • Engine off time > 7 Hrs.
  • Decrease of IAT after engine start < 5° K
  • ECT < 30° C
  • Decrease of AAT after engine start < 5° K
 20 s Vehicle speed above 25 mph
  • 2 DCY with cold start
P040C EGR Temperature Sensor Circuit Short to Ground -- Check EGR Temperature Sensor -G98-. Refer to EGR TEMPERATURE SENSOR, CHECKING .
  • Signal voltage < 0.06 V
  • Engine running
 480 ms
  • 2 DCY
P040D EGR Temperature Sensor Circuit Open or Short to Battery voltage -- Check EGR Temperature Sensor -G98-. Refer to EGR TEMPERATURE SENSOR, CHECKING .
  • Signal voltage > 3.24 V
  • Engine running
 10 min.
  • 2 DCY
P0420 Catalyst System Functional check: conversion efficiency -- Check the Exhaust Gas Temperature Sensors --. Refer to EXHAUST GAS TEMPERATURE SENSORS 1 - 4, CHECKING .-- Check EGR Temperature Sensor -G98-. Refer to EGR TEMPERATURE SENSOR, CHECKING .
  • ratio of measured and modeled heat quantity < 0.3 [-]
  • Regeneration demand for PM trap = On
  • Minimum HC injection mass to start monitoring sequence > 0.1 kg/h
  • Difference between model and sensor temperature of downstream oxidation catalyst > 50° K or < -50° K
  • Average HC injection during PM trap regeneration > 0.1 g/s
  • Accumulated HC injection mass > 50 g
  • Engine speed 1250 - 4000 RPM
 0 s
  • Multiple
  • 1 DCY
P045A LP EGR Actuator Circuit Open or Malfunction Error -- Check the EGR Motor 2 -V339-. Refer to EGR MOTOR 2 AND EXHAUST GAS RECIRCULATION POSITION SENSOR 2, CHECKING .
  • signal voltage> 0.8 V or < 2.0 V
  • ECM power stage = Off
 0.6 s
  • Continuous
  • 2 DCY
P045B LP EGR Actuator Circuit position sensor signal in desired range (closed) -- Check the EGR Motor 2 -V339-. Refer to EGR MOTOR 2 AND EXHAUST GAS RECIRCULATION POSITION SENSOR 2, CHECKING .
  • Signal Voltage > 1.0 V 0r < 0.4 V
  • ECT > -19.94° C and/or < 120° C
  • Battery voltage > 10 V
 200 ms
  • 2 DCY
P045C LP EGR Actuator Circuits Short to Ground -- Check the EGR Motor 2 -V339-. Refer to EGR MOTOR 2 AND EXHAUST GAS RECIRCULATION POSITION SENSOR 2, CHECKING .
  • Signal Voltage < 150 mV
  • ECM power stage = On
 0.5 s
  • Continuous
  • 2 DCY
P045D LP EGR Actuator Circuits Short to Battery Voltage -- Check the EGR Motor 2 -V339-. Refer to EGR MOTOR 2 AND EXHAUST GAS RECIRCULATION POSITION SENSOR 2, CHECKING .
  • Signal Current > 8.0 A - 18 A
  • ECM power stage = On
 0.5 s
  • Continuous
  • 2 DCY
P045E LP EGR Position Sensor Circuit EGR Stuck Open -- Check the Exhaust Gas Recirculation Position Sensor 2 -G466-. Refer to EGR MOTOR 2 AND EXHAUST GAS RECIRCULATION POSITION SENSOR 2, CHECKING . Comparison of actual and desired position signal:
  • EGR valve Stuck (open) > 12%
  • Control deviation > 10% and/or < -10%
 3.0 s
  • 2 DCY
P045F LP EGR Position Sensor Circuit EGR Stuck Closed -- Check the Exhaust Gas Recirculation Position Sensor 2 -G466-. Refer to EGR MOTOR 2 AND EXHAUST GAS RECIRCULATION POSITION SENSOR 2, CHECKING . Comparison of actual and desired position signal:
  • EGR valve Stuck (Closed) < 12%
  • Control deviation > 10% and/or < -10%
 3.0 s
  • 2 DCY
P046C HP EGR Actuator Circuit Position Sensor signal in desired range (closed) -- Check the EGR Motor -V338-. Refer to EGR MOTOR AND EGR POTENTIOMETER SENSOR, CHECKING .
  • Signal Voltage > 1.0 V or < 0.4 V
  • ECT > -19.94° C or < 120° C
  • Battery voltage > 10 V
 200 ms
  • 2 DCY
P0470 Differential Pressure Sensor Circuit Open or Short to Battery voltage -- Check the Differential Pressure Sensor -G505-. Refer to EXHAUST PRESSURE SENSOR 1 & DIFFERENTIAL PRESSURE SENSOR, CHECKING .
  • Signal voltage > 4.9 V
 --- 480 ms
  • 2 DCY
P0471 Differential Pressure Sensor Circuit Dynamic check -- Check the Differential Pressure Sensor -G505-. Refer to EXHAUST PRESSURE SENSOR 1 & DIFFERENTIAL PRESSURE SENSOR, CHECKING . Detection of false connected hose lines:
  • Differential of pressure signal < -27
  • ECT > 59.96° C
 5 s.
  • 2 DCY
Offset detection during after-run:
  • Differential of pressure signal < -27 or > 47 hPa
  • Engine = after run
  • ECT > 59.96° C
 500 ms
P0472 Differential Pressure Sensor Circuit Short to Ground -- Check the Differential Pressure Sensor -G505-. Refer to EXHAUST PRESSURE SENSOR 1 & DIFFERENTIAL PRESSURE SENSOR, CHECKING .
  • Signal voltage < 0.2 V
 --- 480 ms
  • 2 DCY
P0473 Differential Pressure Sensor Circuit open or Short to Battery -- Check the Differential Pressure Sensor -G505-. Refer to EXHAUST PRESSURE SENSOR 1 & DIFFERENTIAL PRESSURE SENSOR, CHECKING .
  • Signal voltage > 4.9 V
 --- 480 ms
  • 2 DCY
P0474 Exhaust Pressure Sensors Circuit Detection of a disconnected pressure sensor hose line downstream of particular filter -- Check Exhaust Pressure Sensor -G450- / Differential Pressure Sensor -G505-. Refer to EXHAUST PRESSURE SENSOR 1 & DIFFERENTIAL PRESSURE SENSOR, CHECKING .
  • Difference between modeled and actual pressure differential across low pressure EGR > 40 hPa
  • ECT > 59.96 and/or < 149.96 °C
  • Ambient pressure > 780 hPa
  • Filtered, simulated pressure downsteam of particle filter > 40 hPa
  • Exhaust Flap Motor < 78 % (Closed)
  • LP EGR valve > 90% (Closed)
  • Engine speed > 800 and/or < 4000 RPM
 5 s
  • 2 DCY
P0475 Exhaust Door Control Unit Circuit Open -- Check Exhaust Door Control Unit -J883-. Refer to EXHAUST FLAP CONTROL MODULE, CHECKING .
  • signal voltage> 0.8 V or < 2.0 V
  • ECM power stage = Off
 0.6 s
  • 2 DCY
Exhaust Door Control Unit Circuit Malfunction Error
  • Signal Current > 8.0 A - 18 A
  • ECM power stage = On
 0.5 s
P0477 Exhaust Door Control Unit Circuit Short to Ground -- Check Exhaust Door Control Unit -J883-. Refer to EXHAUST FLAP CONTROL MODULE, CHECKING .
  • Signal Current > 8.0 A - 18 A
  • ECM power stage = On
 0.5 s
  • 2 DCY
P0478 Exhaust Door Control Unit Circuit Short to Battery Voltage -- Check Exhaust Door Control Unit -J883-. Refer to EXHAUST FLAP CONTROL MODULE, CHECKING .
  • Signal Current > 8.0 A - 18 A
  • ECM power stage = On
 0.5 s
  • 2 DCY
P047F Exhaust Door Control Unit Circuit Stuck Open -- Check Exhaust Door Control Unit -J883-. Refer to EXHAUST FLAP CONTROL MODULE, CHECKING .
  • Exhaust Door Flap stuck Open < 10%
  • Control deviation < -10%
 33 s
  • 2 DCY
P0486 LP EGR Position Sensor Circuit Open -- Check the Exhaust Gas Recirculation Position Sensor 2 -G466-. Refer to EGR MOTOR 2 AND EXHAUST GAS RECIRCULATION POSITION SENSOR 2, CHECKING .
  • Signal Voltage > 4.7 V
 --- 480 ms
  • 2 DCY
LP EGR Position Sensor Circuit Short to Ground
  • Signal Voltage < 0.21 V
P048A Exhaust Door Control Unit Circuit Stuck Closed -- Check Exhaust Door Control Unit -J883-. Refer to EXHAUST FLAP CONTROL MODULE, CHECKING .
  • Exhaust Door Flap stuck closed > 10%
  • Control deviation > 10%
 33 s
  • 2 DCY
P048B Exhaust Flap Position Sensor Circuit Short to Ground -- Check Exhaust Flap Control Module -J883-. Refer to EXHAUST FLAP CONTROL MODULE, CHECKING .
  • Signal Voltage < 0.25 V
 --- 0.5 s
  • 2 DCY
P048C Exhaust Door Control Unit Circuit Position Sensor signal in desired range (closed) -- Check Exhaust Door Control Unit -J883-. Refer to EXHAUST FLAP CONTROL MODULE, CHECKING .
  • Position sensor signal in desired range during closed position learning > 1.1 V or < 0.5 V
  • coolant temperature > 49.96° C or < 120.0° C
  • Battery voltage > 10 V
 200 ms.
  • 2 DCY
P048E Exhaust Flap Position Sensor Circuit Short to Battery Voltage -- Check Exhaust Flap Control Module -J883-. Refer to EXHAUST FLAP CONTROL MODULE, CHECKING .
  • Signal Voltage > 4.85 V
 --- 0.5 s
  • 2 DCY
P0501 Vehicle Speed Sensor Performance -- Check the Speedometer -G21-. Refer to SPEED SIGNAL, CHECKING .
  • Brake control unit error message sent
 --- 500 ms
  • 2 DCY
P0502 Vehicle Speed Sensor Circuit Low Input -- Check the Speedometer -G21-. Refer to SPEED SIGNAL, CHECKING .
  • Brake control unit error message sent
 --- 500 ms
  • 2 DCY
P0503 Vehicle Speed Sensor Intermittent High Signal -- Check the Speedometer -G21-. Refer to SPEED SIGNAL, CHECKING .
  • Vehicle speed > 320 km/h
  • VSS signal not defective
 500 ms
  • 2 DCY
P0506 Idle Control System RPM Lower than Expected -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE / THROTTLE DRIVE ANGLE, CHECKING .
  • control deviation < 10%
  • ECT sensor > -7.04° C and/or < 106.96° C
  • Accelerator Pedal Position = 0 %
 25 s
  • 2 DCY
P0507 Idle Control System RPM Higher than Expected -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE / THROTTLE DRIVE ANGLE, CHECKING .
  • control deviation > 10%
  • Engine running
 25 s
  • 2 DCY
P050E Cold Start Engine Exhaust Temperature Too Low -- Check Exhaust Gas Temperature Sensors --. Refer to EXHAUST GAS TEMPERATURE SENSORS 1 - 4, CHECKING .-- Check the Exhaust Flap Control Module -J883-. Refer to EXHAUST FLAP CONTROL MODULE, CHECKING .
  • Sensor temperature < 170° C
  • Ambient temperature > -20 °C
  • Engine speed > 1125 RPM
  • Fuel quantity > 15 mg/stroke
  • model temperature > 230° C
 600 s accumulated time while comparison is active
  • Once Per DCY
  • 2 DCY
  • control deviation > limit from map (engine speed, torque)
  • CSERS = on
  • temperature control loop = on (temp. upstream turbine > 200° C)
  • Temperature upstream particulate matter trap > 100° C
  • fuel quantity > 10 mg/stroke and/or < 45 mg/stroke
  • engine speed > 1100 rpm and/or < 3500 rpm
  • ECT > 25 °C and/or < 70 °C
  • torque > 50 Nm and/or < 300 Nm
  • Gear > 2nd
  • Ambient temperature > -20 °C
  • Baro > 750 hPa
 30 s
  • 1 DCY
P0534 Vehicle Speed Sensor Intermittent / Erratic / High -- Check the Speedometer -G21-. Refer to SPEED SIGNAL, CHECKING . --- --- 480 ms
  • 2 DCY
P0544 Exhaust Gas Temperature Sensor Circuit (Upstream Turbocharger) Open or Short to Battery voltage -- Check the Exhaust Gas Temperature Sensor 1 -G235-. Refer to EXHAUST GAS TEMPERATURE SENSORS 1 - 4, CHECKING .
  • Signal voltage > 1.72 V
  • Engine running
 480 ms
  • 2 DCY
P0545 Exhaust Gas Temperature Sensor Circuit (Upstream Turbocharger) Short to Ground -- Check the Exhaust Gas Temperature Sensor 1 -G235-. Refer to EXHAUST GAS TEMPERATURE SENSORS 1 - 4, CHECKING .
  • Signal voltage < 0.45 V
  • Engine running
 480 ms
  • 2 DCY
P054E Idle Control System Fuel Quantity Higher Than Expected -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE / THROTTLE DRIVE ANGLE, CHECKING .-- Check the Fuel Metering Valve -N290-. Refer to FUEL METERING VALVE, CHECKING .-- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING .
  • fuel quantity < 0.004 g/rev
  • Engine condition = running
  • ECT > 55° C
  • Vehicle speed < 1.0 MPH
  • Engine speed >750 rpm and/or <1500 rpm
  • Accelerator pedal position = 0
  • Ambient temperature > -10° C
  • Ambient pressure > 750 hPa
 10 s
  • multiple
  • 2 DCY
P054F Idle Control System Fuel Quantity Lower Than Expected -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE / THROTTLE DRIVE ANGLE, CHECKING .
  • fuel quantity > 0.0182 - 0.0325 g/rev
  • Engine condition = running
  • ECT > 55° C
  • Vehicle speed < 1.0 MPH
  • Engine speed >750 rpm and/or <1500 rpm
  • Accelerator pedal position = 0
  • Ambient temperature > -10° C
  • Ambient pressure > 750 hPa
 10 s
  • multiple
  • 2 DCY
P0562 System Voltage Low Voltage -- Check the Voltage Supply input. Refer to VOLTAGE SUPPLY, CHECKING .
  • Internal check failure of voltage supply for ECM off timer
  • Engine shut off
  • Power on reset
 6 DCY
  • 1 DCY
P06A3 Sensor Reference Voltage "D" Circuit/Open -- Check the Voltage Supply input. Refer to VOLTAGE SUPPLY, CHECKING .
  • Sensor supply voltage < 2.97 V or > 3.63 Vr
 --- 50 ms
  • 2 DCY
P0604 EEPROM Memory Error -- Replace the Engine Control Module (ECM) -J623- Refer to the Repair Information for procedure.
  • EEPROM could not be erased - data still available
  • Write EEPROM not possible
  • Checksum error in 3 or more locations
 --- 1 s
  • 2 DCY
P0605 ECM Internal Test Error -- Replace the Engine Control Module (ECM) -J623- Refer to the Repair Information for procedure.
  • ECM internal self test failed
 --- 1 s
  • Continuous
  • 2 DCY
P0606 Internal Control Module Memory Check Sum Error -- Replace the Engine Control Module (ECM) -J623- Refer to the Repair Information for procedure.
  • ECM internal self test failed
 --- 1 s
  • Continuous
  • 2 DCY
P0607 Control Module Performance -- Replace the Engine Control Module (ECM) -J623- Refer to the Repair Information for procedure.
  • ECM internal self test failed
  • LSU raw signal calibration = active
 1 s
  • 2 DCY
P0627 Fuel Pump Circuit Open -- Check the Transfer Fuel Pump -G6-. Refer to FUEL TRANSFER PUMP AND FUEL PUMP RELAY, CHECKING .
  • Signal current < 0.8 mA
  • fuel pump commanded off
 270 - 480 ms
  • Continuous
  • 2 DCY
P0628 Fuel Pump Circuit Short to Ground -- Check the Transfer Fuel Pump -G6-. Refer to FUEL TRANSFER PUMP AND FUEL PUMP RELAY, CHECKING .
  • Signal voltage < 2.0 V
  • fuel pump commanded off
 270 - 480 ms
  • Continuous
  • 2 DCY
P0629 Fuel Pump Circuit Short to Battery Voltage -- Check the Transfer Fuel Pump -G6-. Refer to FUEL TRANSFER PUMP AND FUEL PUMP RELAY, CHECKING .
  • Signal current > 1.0 A
  • fuel pump commanded on
 270 - 480 ms
  • Continuous
  • 2 DCY
P0634 ECM Internal Temperature Too High -- Replace the Engine Control Module (ECM) -J623- Refer to the Repair Information for procedure.
  • Output driver temperature too high >150° C
  • Output driver = active.
 480 ms
  • Continuous
  • 2 DCY
P0638 Throttle Valve Actuator Control Motor Circuit Internal Error -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE / THROTTLE DRIVE ANGLE, CHECKING .-- Check the Voltage Supply input. Refer to VOLTAGE SUPPLY, CHECKING .
  • Diagnostic signal from actuator module = defective state
 --- 2.5 s
  • 2 DCY
P0641 Sensor Reference Voltage "A" Circuit Open -- Check the Voltage Supply input. Refer to VOLTAGE SUPPLY, CHECKING .
  • Sensor supply voltage < 4.8 V or > 5.2 V
 --- 90 ms
  • 2 DCY
P064C Glow Plug Time Control Module Circuit Wrong Calibration -- Check the Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG, CHECKING .
  • Received number of cylinders is unequal to ECU application or
  • Glow plug system = active
 1 s
  • Continuous
  • 2 DCY
  • Received Glow plug type is unequal to ECU application
 3 s
P0651 Sensor Reference Voltage "B" Circuit Open -- Check the Voltage Supply input. Refer to VOLTAGE SUPPLY, CHECKING .
  • Sensor supply voltage < 4.8 V or > 5.2 V
 --- 90 ms
  • 2 DCY
P066A Glow Plug Cylinder 1 Circuit Short to Battery Voltage -- Check the Glow Plug 1 -Q10-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG, CHECKING .
  • Signal current > 70 A
  • Glow Plug System = Active
  • Demand signal 8 - 95%
  • Battery voltage > 9 V
 8 s
  • Continuous
  • 2 DCY
P066C Glow Plug Cylinder 2 Circuit Short to Battery Voltage -- Check the Glow Plug 2 -Q11- Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG, CHECKING .
  • Signal current > 70 A
  • Glow Plug System = Active
  • Demand signal 8 - 95%
  • Battery voltage > 9 V
 8 s
  • Continuous
  • 2 DCY
P066E Glow Plug Cylinder 3 Circuit Short to Battery Voltage -- Check the Glow Plug 3 -Q12- Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG, CHECKING .
  • Signal current > 70 A
  • Glow Plug System = Active
  • Demand signal 8 - 95%
  • Battery voltage > 9 V
 8 s
  • Continuous
  • 2 DCY
P0670 Glow Plug Time Module Control Circuit Open or Short to Battery voltage -- Check the Glow Plugs -- and the Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG, CHECKING .
  • Signal Voltage > 3.44 V
  • Glow System = Not Active
 500 ms
  • Continuous
  • 2 DCY
P0671 Glow Plug Cylinder 1 Circuit Open or Short to Ground -- Check the Glow Plug 1 -Q10- and the Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG, CHECKING .
  • Signal current < 2.2 A
  • Glow Plug System = Active
  • Demand signal 8 - 95%
  • Battery voltage > 9 V
 8 s
  • Continuous
  • 2 DCY
P0672 Glow Plug Cylinder 2 Circuit Open or Short to Ground -- Check the Glow Plug 2 -Q11- /Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG, CHECKING .
  • Signal current < 2.2 A
  • Glow Plug System = Active
  • Demand signal 8 - 95%
  • Battery voltage > 8 V
 8 s
  • Continuous
  • 2 DCY
P0673 Glow Plug Cylinder 3 Circuit Open or Short to Ground -- Check the Glow Plug 3 -Q12- /Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG, CHECKING .
  • Signal current < 2.2 A
  • Glow Plug System = Active
  • Demand signal 8 - 95%
  • Battery voltage > 8 V
 8 s
  • Continuous
  • 2 DCY
P0674 Glow Plug Cylinder 4 Circuit Open or Short to Ground -- Check the Glow Plug 4 -Q13- /Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG, CHECKING .
  • Signal current < 2.2 A
  • Glow Plug System = Active
  • Demand signal 8 - 95%
  • Battery voltage > 8 V
 8 s
  • Continuous
  • 2 DCY
P067A Glow Plug Cylinder 4 Circuit Short to Battery Voltage -- Check the Glow Plug 4 -Q13-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG, CHECKING .
  • Signal current > 70 A
  • Glow Plug System = Active
  • Demand signal 8 - 95%
  • Battery voltage > 9 V
 8 s
  • Continuous
  • 2 DCY
P0684 Glow Plug Time Control Module Circuit No PCM Communication -- Check the Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG, CHECKING .-- Check the Data Bus On Board Diagnostic Interface -J533-. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .
  • Missing communication from the Glow plug time module
  • ECT < 30° C
  • Glow Plug System = Active
 3 s
  • Continuous
  • 2 DCY
  • Monitoring of supply voltage, Message from glow plug time module - Error Message
 50 s
P068A ECM Power Relay Performance - Open to Early -- Check the ECM Power Relay -J317-. Refer to POWER SUPPLY RELAY, CHECKING .
  • Internal test
 --- 10 times
  • 2 DCY
P068B ECM Power Relay Performance - Stuck -- Check the ECM Power Relay -J317-. Refer to POWER SUPPLY RELAY, CHECKING .
  • Internal test
 --- 500 ms
  • 2 DCY
P0697 Sensor Reference Voltage "C" Circuit Open -- Check the Voltage Supply input. Refer to VOLTAGE SUPPLY, CHECKING .
  • Sensor supply voltage < 3.168 V or > 3.432 V
 --- 50 ms
  • 2 DCY
P06B9 Glow Plug Cylinder 1 Resistance Check -- Check the Glow Plug 1 -Q10- and the Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG, CHECKING . Glow plug resistance time interval after glow start:
  • 4 - 9 s (< 0, 3 Ω),,
  • 9 - 14 s (< 0.4 Ω)
  • after 14 s (< 0.5 Ω)
  • anytime (> 1.2 Ω)
  • Glow Plug System = Active
  • Demand signal 8 - 95%
  • Battery voltage > 9 V
 8 s
  • Continuous
  • 2 DCY
P06BA Glow Plug Cylinder 2 Resistance Check -- Check the Glow Plug 2 -Q11- and the Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG, CHECKING . Glow plug resistance time interval after glow start:
  • 4 - 9 s (< 0, 3 Ω)
  • 9 - 14 s (< 0.4 Ω)
  • after 14 s (< 0.5 Ω)
  • anytime (> 1.2 Ω)
  • Glow Plug System = Active
  • Demand signal 8 - 95%
  • Battery voltage > 9 V
 8 s
  • Continuous
  • 2 DCY
P06BB Glow Plug Cylinder 3 Resistance Check -- Check the Glow Plug 3 -Q12- and the Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG, CHECKING . Glow plug resistance time interval after glow start:
  • 4 - 9 s (< 0, 3 Ω),,
  • 9 - 14 s (< 0.4 Ω)
  • after 14 s (< 0.5 Ω)
  • anytime (> 1.2 Ω)
  • Glow Plug System = Active
  • Demand signal 8 - 95%
  • Battery voltage > 9 V
 8 s
  • Continuous
  • 2 DCY
P06BC Glow Plug Cylinder 4 Resistance Check -- Check the Glow Plug 4 -Q13- and the Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG, CHECKING . Glow plug resistance time interval after glow start:
  • 4 - 9 s (< 0, 3 Ω),,
  • 9 - 14 s (< 0.4 Ω)
  • after 14 s (< 0.5 Ω)
  • anytime (> 1.2 Ω)
  • Glow Plug System = Active
  • Demand signal 8 - 95%
  • Battery voltage > 9 V
 8 s
  • Continuous
  • 2 DCY
P06C5 Glow Plug Cylinder 1 Incorrect Type -- Check the Glow Plug 1 -Q10- and the Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG, CHECKING . Note: Replace with know good Glow Plug and Retest, make sure and follow replacement procedures in repair information
  • Wrong current slope
  • Glow Plug System = Active
  • ECT < 18° C
  • ECM off time >= 900 s
  • Demand signal = 95%
 8 s
  • Continuous
  • 2 DCY
P06C6 Glow Plug Cylinder 2 Incorrect Type -- Check the Glow Plug 2 -Q11- and the Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG, CHECKING . Note: Replace with know good Glow Plug and Retest, make sure and follow replacement procedures in repair information
  • Wrong current slope
  • Glow Plug System = Active
  • ECT < 18° C
  • ECM off time >= 900 s
  • Demand signal = 95%
 8 s
  • Continuous
  • 2 DCY
P06C7 Glow Plug Cylinder 3 Incorrect Type -- Check the Glow Plug 3 -Q12- and the Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG, CHECKING . Note: Replace with know good Glow Plug and Retest, make sure and follow replacement procedures in repair information
  • Wrong current slope
  • Glow Plug System = Active
  • ECT < 18° C
  • ECM off time >= 900 s
  • Demand signal = 95%
 8 s
  • Continuous
  • 2 DCY
P06C8 Glow Plug Cylinder 4 Incorrect Type -- Check the Glow Plug 4 -Q13- and the Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG, CHECKING . Note: Replace with know good Glow Plug and Retest, make sure and follow replacement procedures in repair information
  • Wrong current slope
  • Glow Plug System = Active
  • ECT < 18° C
  • ECM off time >= 900 s
  • Demand signal = 95%
 8 s
  • Continuous
  • 2 DCY
P06FE Cold Start Diesel Intake Air Flow Control Performance -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE / THROTTLE DRIVE ANGLE, CHECKING .
  • Valve stuck open > 12 %
  • Control deviation > 10% and/or < -10%
 3 s
  • 2 DCY
P1004 Torque difference cylinder 1 Limiting value exceeded -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .-- Check the Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .
  • Control error < limit from MAP f (engine speed and desired torque) -50 to -30 Nm OR +50 to +30 Nm
  • Engine running
  • ECM in closed loop
  • ECT > 50° C
  • Baro > 750 hPa
  • Time since engine start > 30 Sec.
  • regeneration = off
 120 Rev.
  • 2 DCY
P1005 Torque difference cylinder 2 Limiting value exceeded -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .-- Check the Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .
  • Control error < limit from MAP f (engine speed and desired torque) -50 to -30 Nm OR +50 to +30 Nm
  • Engine running
  • ECM in closed loop
  • ECT > 50° C
  • Baro > 750 hPa
  • Time since engine start > 30 Sec.
  • regeneration = off
 120 Rev.
  • 2 DCY
P1006 Torque difference cylinder 3 Limiting value exceeded -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .-- Check the Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .
  • Control error < limit from MAP f (engine speed and desired torque) -50 to -30 Nm OR +50 to +30 Nm
  • Engine running
  • ECM in closed loop
  • ECT > 50° C
  • Baro > 750 hPa
  • Time since engine start > 30 Sec.
  • regeneration = off
 120 Rev.
  • 2 DCY
P1007 Torque difference cylinder 4 Limiting value exceeded -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .-- Check the Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .
  • Control error < limit from MAP f (engine speed and desired torque) -50 to -30 Nm OR +50 to +30 Nm
  • Engine running
  • ECT > 50° C
  • Baro > 750 hPa
  • Time since engine start > 30 Sec.
  • regeneration = off
 120 Rev.
  • 2 DCY
P13CE Cylinder 1 Pressure Sensor Circuit Short to Battery Voltage -- Check the Cylinder 1 Internal Pressure Sensor -G620-. Refer to CYLINDER COMBUSTION CHAMBER PRESSURE SENSOR, CHECKING .
  • Signal voltage > 3.17 V
  • Engine = running
 40 revolutions
  • 2 DCY
P13CF Cylinder 1 Pressure Sensor Circuit Short to Ground -- Check the Cylinder 1 Internal Pressure Sensor -G620-. Refer to CYLINDER COMBUSTION CHAMBER PRESSURE SENSOR, CHECKING .
  • Cylinder pressure sensor voltage < 0.13 V
  • Engine = running
 40 revolutions
  • 2 DCY
P13D0 Cylinder 1 Pressure Sensor Circuit Out of Range -- Check the Cylinder 1 Internal Pressure Sensor -G620-. Refer to CYLINDER COMBUSTION CHAMBER PRESSURE SENSOR, CHECKING .
  • Signal voltage < 0.33 V and/or > 3.09 V
  • Engine = running
 1000 revolutions
  • 2 DCY
Cylinder 1 Constant Pressure
  • deviation between maximum and minimum cylinder pressure sensor 1 < 20 bar
  • engine condition = running
  • throttle valve = open
  • Barometric > 750 hPa
Cylinder 1 pressure sensor offset
  • Offset out of range < -7 bar and/or > 7 bar
 -
Cylinder 1 Plausibility with calculated pressure
  • difference between calculated cylinder pressure, based on intake air pressure and compression ratio, and measured cylinder pressure sensor #1 out of range < -10 bar and/or > 10 bar
  • engine condition = fuel cut off
  • Throttle valve = open
  • LP EGR valve = closed
  • HP EGR valve = closed
  • IAT = > -2° C and/or < 44° C
  • ECT = > 60° C and/or < 100° C
 40 revolutions
P13D1 Cylinder 2 Pressure Sensor Circuit Open or Short to Battery Voltage -- Check the Cylinder 2 Internal Pressure Sensor -G621-. Refer to CYLINDER COMBUSTION CHAMBER PRESSURE SENSOR, CHECKING .
  • Signal voltage > 3.17 V
  • Engine = running
 40 revolutions
  • 2 DCY
P13D2 Cylinder 2 Pressure Sensor Circuit Short to Ground -- Check the Cylinder 2 Internal Pressure Sensor -G621-. Refer to CYLINDER COMBUSTION CHAMBER PRESSURE SENSOR, CHECKING .
  • Signal voltage < 0.13 V
  • Engine = running
 40 revolutions
  • 2 DCY
P13D3 Cylinder 2 Pressure Sensor Circuit Out of Range -- Check the Cylinder 2 Internal Pressure Sensor -G621-. Refer to CYLINDER COMBUSTION CHAMBER PRESSURE SENSOR, CHECKING .
  • Signal voltage < 0.33 V and/or > 3.09 V
  • Engine = running
 1000 revolutions
  • 2 DCY
Cylinder 2 Constant Pressure
  • deviation between maximum and minimum cylinder pressure sensor 1 < 20 bar
  • engine condition = running
  • throttle valve = open
  • Barometric > 750 hPa
Cylinder 2 pressure sensor offset
  • Offset out of range < -7 bar and/or > 7 bar
 -
Cylinder 2 Plausibility with calculated pressure
  • difference between calculated cylinder pressure, based on intake air pressure and compression ratio, and measured cylinder pressure sensor #1 out of range < -10 bar and/or > 10 bar
  • engine condition = fuel cut off
  • Throttle valve = open
  • LP EGR valve = closed
  • HP EGR valve = closed
  • IAT = > -2° C and/or < 44° C
  • ECT = > 60° C and/or < 100° C
 40 revolutions
P13D4 Cylinder 3 Pressure Sensor Circuit Open or Short to Battery Voltage -- Check the Cylinder 3 Internal Pressure Sensor -G622-. Refer to CYLINDER COMBUSTION CHAMBER PRESSURE SENSOR, CHECKING .
  • Signal voltage > 3.17 V
  • Engine = running
 40 revolutions
  • 2 DCY
P13D5 Cylinder 3 Pressure Sensor Circuit Short to Ground -- Check the Cylinder 3 Internal Pressure Sensor -G622-. Refer to CYLINDER COMBUSTION CHAMBER PRESSURE SENSOR, CHECKING .
  • Signal voltage < 0.13 V
  • Engine = running
 40 revolutions
  • 2 DCY
P13D6 Cylinder 3 Pressure Sensor Circuit Out of Range -- Check the Cylinder 3 Internal Pressure Sensor -G622-. Refer to CYLINDER COMBUSTION CHAMBER PRESSURE SENSOR, CHECKING .
  • Signal voltage < 0.33 V and/or > 3.09 V
  • Engine = running
 1000 revolutions
  • 2 DCY
Cylinder 3 Constant Pressure
  • deviation between maximum and minimum cylinder pressure sensor 1 < 20 bar
  • engine condition = running
  • throttle valve = open
  • Barometric > 750 hPa
Cylinder 3 pressure sensor offset
  • Offset out of range < -7 bar and/or > 7 bar
 -
Cylinder 3 Plausibility with calculated pressure
  • difference between calculated cylinder pressure, based on intake air pressure and compression ratio, and measured cylinder pressure sensor #1 out of range < -10 bar and/or > 10 bar
  • engine condition = fuel cut off
  • Throttle valve = open
  • LP EGR valve = closed
  • HP EGR valve = closed
  • IAT = > -2° C and/or < 44° C
  • ECT = > 60° C and/or < 100° C
 40 revolutions
P13D7 Cylinder 4 Pressure Sensor Circuit Open or Short to Battery Voltage -- Check the Cylinder 4 Internal Pressure Sensor -G623-. Refer to CYLINDER COMBUSTION CHAMBER PRESSURE SENSOR, CHECKING .
  • Signal voltage > 3.17 V
  • Engine = running
 40 revolutions
  • 2 DCY
P13D8 Cylinder 4 Pressure Sensor Circuit Short to Ground -- Check the Cylinder 4 Internal Pressure Sensor -G623-. Refer to CYLINDER COMBUSTION CHAMBER PRESSURE SENSOR, CHECKING .
  • Signal voltage < 0.13 V
  • Engine = running
 40 revolutions
  • 2 DCY
P13D9 Cylinder 4 Pressure Sensor Circuit Out of Range -- Check the Cylinder 4 Internal Pressure Sensor -G623-. Refer to CYLINDER COMBUSTION CHAMBER PRESSURE SENSOR, CHECKING .
  • Signal voltage < 0.33 V and/or > 3.09 V
  • Engine = running
 1000 revolutions
  • 2 DCY
Cylinder 4 Constant Pressure
  • deviation between maximum and minimum cylinder pressure sensor 1 < 20 bar
  • engine condition = running
  • throttle valve = open
  • Barometric > 750 hPa
Cylinder 4 pressure sensor offset
  • Offset out of range < -7 bar and/or > 7 bar
 -
Cylinder 4 Plausibility with calculated pressure
  • difference between calculated cylinder pressure, based on intake air pressure and compression ratio, and measured cylinder pressure sensor #1 out of range < -10 bar and/or > 10 bar
  • engine condition = fuel cut off
  • Throttle valve = open
  • LP EGR valve = closed
  • HP EGR valve = closed
  • IAT = > -2° C and/or < 44° C
  • ECT = > 60° C and/or < 100° C
 40 revolutions
P13E0 Cylinder 1 Pressure Sensor Circuit Plausibility check -- Check the Cylinder 1 Internal Pressure Sensor -G620-. Refer to CYLINDER COMBUSTION CHAMBER PRESSURE SENSOR, CHECKING .-- Check the Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • Pressure based measured TDC position sensor #1 out of range < -1.8 CA and/or > 1.8 CA
  • Engine condition = Fuel cut Off
  • ECT > 69.96 °C
 40 revolutions
  • 2 DCY
P13E1 Cylinder 2 Pressure Sensor Circuit Plausibility check -- Check the Cylinder 2 Internal Pressure Sensor -G621-. Refer to CYLINDER COMBUSTION CHAMBER PRESSURE SENSOR, CHECKING .-- Check the Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • Pressure based measured TDC position sensor #1 out of range < -1.8 CA and/or > 1.8 CA
  • Engine condition = Fuel cut Off
  • ECT > 69.96 °C
 40 revolutions
  • 2 DCY
P13E2 Cylinder 3 Pressure Sensor Circuit Plausibility check -- Check the Cylinder 3 Internal Pressure Sensor -G622-. Refer to CYLINDER COMBUSTION CHAMBER PRESSURE SENSOR, CHECKING .-- Check the Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • Pressure based measured TDC position sensor #1 out of range < -1.8 CA and/or > 1.8 CA
  • Engine condition = Fuel cut Off
  • ECT > 69.96 °C
 40 revolutions
  • 2 DCY
P13E3 Cylinder 4 Pressure Sensor Circuit Plausibility check -- Check the Cylinder 4 Internal Pressure Sensor -G623-. Refer to CYLINDER COMBUSTION CHAMBER PRESSURE SENSOR, CHECKING .-- Check the Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • Pressure based measured TDC position sensor #1 out of range < -1.8 CA and/or > 1.8 CA
  • Engine condition = Fuel cut Off
  • ECT > 69.96 °C
 40 revolutions
  • 2 DCY
P140C Low Pressure EGR Sensor Position circuit high -- Check the EGR Valve 2 and Position Sensor -N213-. Refer to EGR MOTOR 2 AND EXHAUST GAS RECIRCULATION POSITION SENSOR 2, CHECKING .
  • Position sensor signal < 4850 mV
  • P0651
 480 ms
  • 2 DCY
P140E Low Pressure EGR Sensor Position circuit Low -- Check the EGR Valve 2 and Position Sensor -N213-. Refer to EGR MOTOR 2 AND EXHAUST GAS RECIRCULATION POSITION SENSOR 2, CHECKING .
  • Position sensor signal < 150 mV
 --- 480 ms
  • 2 DCY
P146D Reducing Agent Tank Heater Circuit Short To External Battery Voltage -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102- Refer to REDUCING AGENT TANK HEATER, CHECKING .
  • Signal voltage > 3.29 V
 --- 2 s
  • 2 DCY
P146F Reducing Agent Line Heating Circuit Short To External Battery Voltage -- Check the Reducing Agent Line Heater (Heating Circuit 2) -Z104-. Refer to REDUCING AGENT HEATED LINE HOSE, CHECKING 
  • Signal voltage > 3.2 V
 --- 2000 mSec.
  • 2 DCY
P148B Reducing Agent Line Heater Circuit Monitoring Voltage -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102- Refer to REDUCING AGENT TANK HEATER, CHECKING 
  • Heating active when switched off > 200 μA
  • SCR heating = off
 500 ms
  • 2 DCY
P148C Reducing Agent Pump Heater Circuit Monitoring Voltage -- Check the Reducing Agent Pump Heater (Heating Circuit 2) -Z103- Refer to REDUCING AGENT PUMP AND HEATER, CHECKING 
  • Heating active when switched off > 200 μA
  • SCR heating = off
 500 ms
  • 2 DCY
P169A Transport Mode Active -- Mode can be deactivated with a factory scan tool or will automatically turn off after vehicle accumulates the first 100 miles of driving.
  • Transport mode active
  • Production mode not active and vehicle mileage below 100 miles
AND
  • vehicle speed < 5 mph
  • engine speed = 0 rpm
  • max. driving distance since initial vehicle start-up < 200 miles
 Fault is stored in fault memory during ECU shut down
  • 1 DCY
P2002 Particulate Trap Efficiency / Performance -- Check the Exhaust Pressure Sensor 1 -G450- / Differential Pressure Sensor -G505-. Refer to EXHAUST PRESSURE SENSOR 1 & DIFFERENTIAL PRESSURE SENSOR, CHECKING .
  • Differential pressure Signal < (exhaust gas volume flow)
OR
  • Accumulated loading increment from differential pressure < 1 g
  • Time since engine start 90 s
  • exhaust temperature downstream EGR - cooler >60° C and/or < 200° C
  • HP - EGR valve < 40% open
  • variation of LP-EGR mass flow < 0.05 (kg/h)/s
  • LP - EGR mass flow > 17 kg/h
  • LP - EGR valve > 75% open for > 2.5 s
  • Temperature downstream DPF < 400° C and/or >140° C
  • DPF regeneration = not active
  • Above conditions must be fulfilled accumulative for 40 s to get a monitor result
 6 s
  • 2 DCY
Evaluating LP EGR filter pressure drop
  • filtered ratio between calculated and expected pressure drop of EGR Filter > 3 [-]
 - approx. 30 min of driving plus 10 min at constant speed exceeding 55 mph if particulate filter is damaged or approx. 10 min at constant speed exceeding 55 mph if EGR filter is already loaded -
  • Ratio of filtered temperature dynamic upstream and downstream of the PM trap < 1.2 [-]
  • Exhaust gas temp. before and after PM trap > 29.96 °C
  • Time since PM trap regeneration > 2 s
  • ECT > -15° C
  • Time since engine start > 10 s
 acceleration or deceleration time at most 200 s (data gathering frozen if continuous acceleration or deceleration lasts more than 35 s)
  • 2 DCY
P202A Reducing Agent Tank Heater Control Circuit Rationality Check -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102-. Refer to REDUCING AGENT TANK HEATER, CHECKING 
  • Conductance during heating <= 0.1 S
  • SCR Heating = On
 1 s
  • 2 DCY
P202B Reducing Agent Tank Heater Control Circuit Short to Ground -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102-. Refer to REDUCING AGENT TANK HEATER, CHECKING 
  • Max. power at engagement < 0.159 S
  • Time since engagement > 50 s
 480 ms
  • 2 DCY
P202C Reducing Agent Tank Heater Circuit Open or Short to Battery Voltage -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102-. Refer to REDUCING AGENT TANK HEATER, CHECKING 
  • Max. power at engagement > 0.85 S
  • Time since engagement > 55 Sec.
 480 ms
  • 2 DCY
P2031 Exhaust Gas Temperature Sensor 3 Circuit Open or Short to Battery voltage -- Check the Exhaust Gas Temperature Sensor 3 -G495-. Refer to EXHAUST GAS TEMPERATURE SENSORS 1 - 4, CHECKING .
  • Signal voltage > 1.72 V
  • Engine running
 480 ms
  • 2 DCY
P2032 Exhaust Gas Temperature Sensor 3 Circuit Short to Ground -- Check the Exhaust Gas Temperature Sensor 3 -G495-. Refer to EXHAUST GAS TEMPERATURE SENSORS 1 - 4, CHECKING .
  • Signal voltage < 0.45 V
  • Engine running
 480 ms
  • 2 DCY
P203A Reducing Agent Reservoir Level Sensor Circuit Range Check -- Check the Reducing Agent Reservoir Processing Unit -G698- & Reducing Agent Reservoir Sensor -G697-. Refer to REDUCING AGENT RESERVOIR PROCESSING UNIT WITH RESERVOIR SENSOR, CHECKING .
  • Level signal < 25% PWM or > 85% PWM
  • Interval between Monitoring pulses < 80 Sec.
 --- 480 ms
  • 2 DCY
P203B Reducing Agent Reservoir Level Sensor Circuit Rationality Check -- Check the Reducing Agent Reservoir Processing Unit -G698- & Reducing Agent Reservoir Sensor -G697-. Refer to REDUCING AGENT RESERVOIR PROCESSING UNIT WITH RESERVOIR SENSOR, CHECKING .
  • PWM signal < 34%
  • If SCR tank temp greater than defrosting urea tank = true
 2000 ms
  • 2 DCY
Monitoring of Electrical status
  • PWM signal = 34 - 44%
 --- 480 ms
P2047 Reducing Agent Injection Valve Circuit Open -- Check the Reducing Agent Injector -N474- Refer to REDUCING AGENT INJECTOR CHECKING .
  • Signal Voltage > 2.99 V
 Output driver active 5 s
  • 2 DCY
P2048 Reducing Agent Injection Valve Circuit Short to Ground -- Check the Reducing Agent Injector -N474- Refer to REDUCING AGENT INJECTOR CHECKING .
  • Signal Voltage < 2.04 V
  • Signal Current > 1600 mA
 Output driver active 2 s
  • 2 DCY
P2049 Reducing Agent Injection Valve Circuit Short to Battery Voltage -- Check the Reducing Agent Injector -N474- Refer to REDUCING AGENT INJECTOR CHECKING .
  • Signal Voltage > 0.25 V
  • Signal Current < 200 mA
 Output driver active 2 s
  • 2 DCY
P204A Reducing Agent Metering Pressure Sensor Circuit Short to Ground -- Check the Reducing Agent Metering System Pressure Sensor -G686-. Refer to REDUCING AGENT METERING PRESSURE SENSOR, CHECKING .
  • Signal voltage < 0.38 V
 --- 480 ms
  • 2 DCY
P204B Reducing Agent Metering Pressure Sensor Circuit Range/Performance -- Check the Reducing Agent Metering System Pressure Sensor -G686-. Refer to REDUCING AGENT METERING PRESSURE SENSOR, CHECKING .
  • Sensor Pressure >500 hPa
  • Ignition =On
  • Engine = Off
 500 ms
  • 2 DCY
P204D Reducing Agent Metering Pressure Sensor Circuit Short to Battery voltage -- Check the Reducing Agent Metering System Pressure Sensor -G686-. Refer to REDUCING AGENT METERING PRESSURE SENSOR, CHECKING .
  • Signal voltage > 4.72 V
  • T6 > 100 °C
  • Ambient temperature > -3 °C
  • Urea tank temperature > -7 °C
  • Engine speed > 800 rpm
 200 ms
  • 2 DCY
P204F Reducing Agent System Performance -- Check the Exhaust Pressure Sensor 1 -G450-. Refer to EXHAUST PRESSURE SENSOR 1 & DIFFERENTIAL PRESSURE SENSOR, CHECKING .-- Check the Exhaust Gas Temperature Sensor 3 -G495- and Exhaust Gas Temperature Sensor 4 -G648-. Refer to EXHAUST GAS TEMPERATURE SENSORS 1 - 4, CHECKING .-- Check the Nox Sensor -G295-. Refer to NOX SENSOR / MODULE, CHECKING .
  • adaptation value (ratio) over threshold > 2 [-]
  • status NOx-Sensor downstream SCR catalyst = active
  • time since urea dosing active > 380 s
  • PM trap regeneration = not active
  • SCR catalyst temperature > 210° C and/or < 350° C
  • NOx concentration upstream SCR catalyst > 100 ppm and/or < 800 ppm
  • NOx mass flow upstream SCR catalyst > 1.0 mg/s and/or < 50 mg/s
  • exhaust gas mass flow > 40 Kg/h and/or < 250 Kg/h
  • engine speed > 1500 rpm and/or < 3000 rpm
  • fuel injection mass > 0.1 mg/stroke and/or < 55 mg/stroke
 Integrated NOx massflow upstream > 0.25 g. Preintegrator 5s in a row or In worst case the adaptation is completed after 10 highway driving cycles (10 x 0.25g)
  • 1 DCY
P205A Reducing Agent Tank Temperature Sensor Circuit Open or Short to Battery Voltage -- Check the Reducing Agent Temperature Sensor -G685-. Refer to REDUCTION AGENT TANK TEMPERATURE SENSOR, CHECKING .
  • Signal voltage > 3.12 V
 --- 800 ms
  • 2 DCY
P205B Reducing Agent Tank Temperature Sensor Circuit Range / Performance -- Check the Reducing Agent Temperature Sensor -G685-. Refer to REDUCTION AGENT TANK TEMPERATURE SENSOR, CHECKING .
  • Absolute value of temperature difference to ECT > 30 K and/or < -52 Kelvin
  • difference between max and min < 30 K value of: coolant temperature, ambient temperature, SCR catalyst temperature.
  • engine off time > 25200 s
  • decrease of intake air temperature and environmental temperature after engine start < 5 K
 2 s
  • 2 DCY
P205C Reducing Agent Tank Temperature Sensor Circuit Short to Ground -- Check the Reducing Agent Temperature Sensor -G685-. Refer to REDUCTION AGENT TANK TEMPERATURE SENSOR, CHECKING .
  • Signal voltage < 0.16 V
 --- 800 ms
  • 2 DCY
P2080 Exhaust Gas Temperature Sensor 1 Circuit Plausibility check -- Check the Exhaust Gas Temperature Sensor 1 -G235-. Refer to EXHAUST GAS TEMPERATURE SENSORS 1 - 4, CHECKING .
  • Sensor temperature < 85° C
  • Engine run time > 3 mins.
  • ECT > 10° C
  • Simulated sensor temp > 300° C
  • accumulative time (up/down) of # seconds. with > 20 s
  • engine speed > 1100 rpm
  • fuel quantity > 9 mg/Hub
 10 s
  • 2 DCY
  • temperature difference to other temperature sensors during cold start > 40 K
  • Engine off time > 7 Hrs.
  • Decrease of IAT after engine start < 5° K
  • ECT < 30° C
  • Decrease of AAT after engine start < 5° K
 20 s Vehicle speed above 25 mph
  • 2 DCY with cold start
P2084 Exhaust Gas Temperature Sensor 2 Circuit Plausibility check -- Check the Exhaust Gas Temperature Sensor 2 -G448-. Refer to EXHAUST GAS TEMPERATURE SENSORS 1 - 4, CHECKING .
  • Sensor temperature < 85° C
  • Engine run time > 3 mins.
  • ECT > 10° C
  • Simulated sensor temp > 230° C
 10 s
  • 2 DCY
  • temperature difference to other temperature sensors during cold start > 40 K
  • Engine off time > 7 Hrs.
  • Decrease of IAT after engine start < 5° K
  • ECT < 30° C
  • Decrease of AAT after engine start < 5° K
 20 s Vehicle speed above 25 mph
  • 2 DCY with cold start
P208A Reducing Agent Pump Control Circuit Open -- Check the Reducing Agent Pump -V437-. Refer to REDUCING AGENT PUMP AND HEATER, CHECKING .
  • Signal voltage > 2.99 V
 --- 480 ms
  • 2 DCY
P208B Reducing Agent Pump Control Circuit Monitoring Engine Speed -- Check the Reducing Agent Pump -V437-. Refer to REDUCING AGENT PUMP AND HEATER, CHECKING .
  • Engine speed > 300 RPM
  • Input signal > 7% and/or < 83%
 1 time
  • 2 DCY
P208C Reducing Agent Pump Control Circuit Short to ground -- Check the Reducing Agent Pump -V437-. Refer to REDUCING AGENT PUMP AND HEATER, CHECKING .
  • Signal voltage < 2.04 V
 --- 480 mSec.
  • 2 DCY
P208D Reducing Agent Pump Control Circuit Short to Battery voltage -- Check the Reducing Agent Pump -V437-. Refer to REDUCING AGENT PUMP AND HEATER, CHECKING .
  • Signal Current > 6.0 A
 --- 480 mSec.
  • 2 DCY
P208E Reducing Agent Injection Valve Stuck Closed -- Check the Reducing Agent Pump -V437-. Refer to REDUCING AGENT PUMP AND HEATER, CHECKING .
  • Number of consecutive failed attempts to open valve > 40 [-]
  • Urea dosing = active
  • Ambient pressure > 700 hPa and < 1300 hPa
  • Battery voltage > 10 V
  • Urea pressure > 3500 and < 6500 hPa
  • Coil temperature of dosing valve between 10 and 120 °C
 15 -1000 s
  • 2 DCY
  • number of consecutive successful attempts to open valve < 10 [-] (during initial test activation of the valve before the urea pressure has been built up)
  • engine off time > 7200 s
  • Remaining urea tank defrosting time < 130s
  • urea dosing = not active
  • engine = running
 < 130 s
  • Once per DCY
  • 2 DCY
P20A0 Reducing Agent Reversing Valve Circuit Open -- Check the Reducing Agent Reversing Valve -N473- Refer to REDUCING AGENT REVERSING VALVE CHECKING .
  • Diagnostic signal from power stage > 2.99 V
  • Power stage = Off state
 480 ms
  • 2 DCY
P20A2 Reducing Agent Purge Control Valve Circuit Short to Ground -- Check the Reducing Agent Reversing Valve -N473- Refer to REDUCING AGENT REVERSING VALVE CHECKING .
  • Diagnostic signal from power stage < 2.04 V
  • Power stage = Off state
 480 ms
  • 2 DCY
P20A3 Reducing Agent Purge Control Valve Circuit Short to Battery voltage -- Check the Reducing Agent Reversing Valve -N473- Refer to REDUCING AGENT REVERSING VALVE CHECKING .
  • Diagnostic signal from power stage > 2.2 A
  • Power stage = On state
 480 ms
  • 2 DCY
P20A5 Reducing Agent Purge Control Valve Stuck Closed -- Check the Reducing Agent Reversing Valve -N473- Refer to REDUCING AGENT REVERSING VALVE CHECKING .
  • Pressure drop after switching valve < 3000 hPa
  • SCR system state = pressure reduction
 480 ms
  • 2 DCY
P20B5 Reducing Agent Pump Heater Control Circuit Open -- Check the Reducing Agent Pump Heater (Heating Circuit 2) -Z103-. Refer to REDUCING AGENT PUMP AND HEATER, CHECKING .
  • Current during heating < 2 A
 --- 1000 mSec.
  • 2 DCY
P20B7 Reducing Agent Metering Unit Heater Control Circuit Low -- Check the Reducing Agent Line Heater (Heating Circuit 2) -Z104-. Refer to REDUCING AGENT HEATED LINE HOSE, CHECKING .
  • Max. power at engagement < 5 A
  • Time since engagement > 10 Sec.
 480 mSec.
  • 2 DCY
P20B8 Reducing Agent Metering Unit Heater Control Circuit High -- Check the Reducing Agent Pump Heater (Heating Circuit 2) -Z103-. Refer to REDUCING AGENT PUMP AND HEATER, CHECKING . Max conductance at engaging dosing unit > 0.89 Sec. Time since engaging > 10 Sec. 480 mSec.
  • 2 DCY
P20B9 Reducing Agent Tank Heater Circuit Open -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102- Refer to REDUCING AGENT TANK HEATER, CHECKING .
  • Signal Voltage > 4.5 V
  • Power stage = Off state
 2000 ms
  • 2 DCY
P20BB Reducing Agent Tank Heater Circuit Short to Ground -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102- Refer to REDUCING AGENT TANK HEATER, CHECKING .
  • Signal Voltage < 2.97 V
  • Power stage = Off state
 480 ms
  • 2 DCY
P20BC Reducing Agent Tank Heater Circuit Out of Range High -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102- Refer to REDUCING AGENT TANK HEATER, CHECKING .
  • Signal Current > 2.2 A
  • Power stage = On state
 2 s
  • 2 DCY
P20BD Reducing Agent Line Heater Circuit Open -- Check the Reducing Agent Line Heater (Heating Circuit 2) -Z104-. Refer to REDUCING AGENT HEATED LINE HOSE, CHECKING .
  • Signal Voltage > 4.5 V
  • Power stage = Off state
 2 s
  • 2 DCY
P20BF Reducing Agent Line Heater Circuit Short to Ground -- Check the Reducing Agent Line Heater (Heating Circuit 2) -Z104-. Refer to REDUCING AGENT HEATED LINE HOSE, CHECKING .
  • Signal Voltage < 2.97 V
  • Power stage = Off state
 480 ms
  • 2 DCY
P20C0 Reducing Agent Line Heater Circuit Out of Range High -- Check the Reducing Agent Line Heater (Heating Circuit 2) -Z104-. Refer to REDUCING AGENT HEATED LINE HOSE, CHECKING .
  • Signal current > 2.2 A
  • Power stage = On state
 2000 mSec.
  • 2 DCY
P20E8 Reducing Agent Metering Pressure Sensor Too Low -- Check the Reducing Agent Metering System Pressure Sensor -G686-. Refer to REDUCING AGENT METERING PRESSURE SENSOR, CHECKING .-- Check the Reducing Agent Pump Heater (Heating Circuit 2) -Z103-. Refer to REDUCING AGENT PUMP AND HEATER, CHECKING .
  • Urea system pressure < 3750 hPa
  • number of pressure buildup attempts > 7
 176 s
  • 2 DCY
P20E9 Reducing Agent Metering Pressure Sensor Too High -- Check the Reducing Agent Metering System Pressure Sensor -G686-. Refer to REDUCING AGENT METERING PRESSURE SENSOR, CHECKING .
  • Urea system pressure > 6500 hPa
  • SCR system state = metering control
 10 s
  • 2 DCY
P20EE SCR NOx Catalyst Conversion Efficiency -- Check the Nox Sensor -G295-. Refer to NOX SENSOR / MODULE, CHECKING .-- Check the Exhaust Gas Temperature Sensors --. Refer to EXHAUST GAS TEMPERATURE SENSORS 1 - 4, CHECKING .
  • Difference between simulated efficiency of a non defective system under the current operating conditions and the measured actual efficiency > 40%
  • Status of NOx sensor downstream SCR catalyst = active
  • Time since urea dosing active > 380 Sec.
  • PM trap regeneration = not active
  • SCR catalyst temperature > 210 and < 350 °C
  • Engine speed > 1500 and < 3000 RPM
  • Fuel injection mass > 0.1 and < 40 mg/stroke
 Integrated NOx mass flow upstream >= 0.4 g
  • 2 DCY
P2100 Throttle Valve Actuator Control Motor Circuit Open -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE / THROTTLE DRIVE ANGLE, CHECKING .
  • Signal Voltage < 4.7 V
  • ECM Power stage = Off
 480 ms
  • 2 DCY
P2101 Throttle Valve Actuator Control Motor Circuit Internal Electrical Error -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE / THROTTLE DRIVE ANGLE, CHECKING .
  • Signal Current > 3.0 A
  • ECM Power stage = Active
 480 ms
  • 2 DCY
P2102 Throttle Valve Actuator Control Motor Circuit Short to Ground -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE / THROTTLE DRIVE ANGLE, CHECKING .
  • Signal Voltage < 2.97 V
  • ECM Power stage = Off
 480 ms
  • 2 DCY
P2103 Throttle Valve Actuator Control Motor Circuit Short to Battery voltage -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE / THROTTLE DRIVE ANGLE, CHECKING .
  • Signal Current > 3.0 A
  • ECM Power stage = Active
 480 ms
  • 2 DCY
P2111 Throttle Valve Actuator Control Motor Circuit Stuck Open -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE / THROTTLE DRIVE ANGLE, CHECKING .
  • Valve stuck open > 12 %
  • Control deviation > 10% and/or < -10%
 3 s
  • 2 DCY
P2112 Throttle Valve Actuator Control Motor Circuit Stuck closed -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE / THROTTLE DRIVE ANGLE, CHECKING .
  • Valve stuck open < 12 %
  • Control deviation > 10% and/or < -10%
 3 s
  • 2 DCY
P2122 Accelerator pedal position sensor Circuit Short to Ground -- Check the Accelerator Pedal Position Sensor -G79- / Accelerator Pedal Position Sensor 2 -G185-. Refer to ACCELERATOR PEDAL POSITION SENSOR / ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • Signal voltage < 0.61 V
 --- 200 ms
  • 2 DCY
P2123 Accelerator pedal position sensor Circuit Open or Short to Battery Voltage -- Check the Accelerator Pedal Position Sensor -G79- / Accelerator Pedal Position Sensor 2 -G185-. Refer to ACCELERATOR PEDAL POSITION SENSOR / ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • Signal voltage > 4.79 V
 --- 200 ms
  • 2 DCY
P2127 Accelerator pedal position sensor 2 Circuit Short to Ground -- Check the Accelerator Pedal Position Sensor -G79- / Accelerator Pedal Position Sensor 2 -G185-. Refer to ACCELERATOR PEDAL POSITION SENSOR / ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • Signal voltage > 0.27 V
 --- 200 ms
  • 2 DCY
P2128 Accelerator pedal position sensor 2 Circuit Open or Short to Battery Voltage -- Check the Accelerator Pedal Position Sensor -G79- / Accelerator Pedal Position Sensor 2 -G185-. Refer to ACCELERATOR PEDAL POSITION SENSOR / ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • Signal voltage > 2.43 V
 --- 200 ms
  • 2 DCY
P2138 Accelerator Position Sensor 1 and 2 Circuit Rationality check -- Check the Accelerator Pedal Position Sensor -G79- / Accelerator Pedal Position Sensor 2 -G185-. Refer to ACCELERATOR PEDAL POSITION SENSOR / ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • Difference between app sensor 1 voltage and app sensor 2 voltage) V (tolerance 13% - 20%)
 --- 260 ms
  • 2 DCY
P2146 Fuel Injector Group "A" Supply Voltage Circuit Shorted Internally -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .
  • diagnostic signal in power stage = Failed
  • Injector Valve = Switched On
 4 [injections]
  • Continuous
  • 2 DCY
P2149 Fuel Injector Group "B" Supply Voltage Circuit Shorted Internally -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .
  • diagnostic signal in power stage = Failed
  • Injector Valve = Switched On
 4 [injections]
  • Continuous
  • 2 DCY
P2183 Engine Coolant Temperature Sensor On Radiator Circuit Range / Performance -- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to ENGINE COOLANT TEMPERATURE SENSOR ON RADIATOR OUTLET, CHECKING .
  • Temperature difference to at least 3 other temperature sensors at startup > 30° K
  • Engine off time > 9 hrs
  • IAT change after engine start < 5° K
  • ECT sensor 1 or 2 < 30° C
  • decrease of coolant temperature 1 or 2 after engine start < 5° K
 60 s, including 20 s continuous driving with velocity exceeding 25 mph,
  • Continuous
  • 2 DCY
cross check of temperature sensors (engine part) at cold start conditions
  • temperature difference to at least 3 other temperature sensors during cold start > 20 K
  • engine off time, > 25200 s
  • decrease of intake air temperature and environmental temperature after engine start < 5 K
  • coolant temperature 1 or 2 (only active in case of block heater installation coded) < 30° C
  • decrease of coolant temperature 1 or 2 after engine start < 5 K (2 K in case of block heater installation coded)
 60s, including 20s continuous driving with velocity exceeding 25 mph, (300s including 20s continuous driving with velocity exceeding 25 mph, in case of block heater installation coded)
  • 2 DCY with cold start
P2184 Engine Coolant Temperature Sensor On Radiator Outlet Circuit Short to Ground -- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to ENGINE COOLANT TEMPERATURE SENSOR ON RADIATOR OUTLET, CHECKING .
  • Signal Voltage < 0.15 V
 --- 480 ms
  • Continuous
  • 2 DCY
P2185 Engine Coolant Temperature Sensor On Radiator Outlet Circuit Open or Short to Battery Voltage -- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to ENGINE COOLANT TEMPERATURE SENSOR ON RADIATOR OUTLET, CHECKING .
  • Signal Voltage > 3.25 V
 --- 480 ms
  • Continuous
  • 2 DCY
P2195 HO2 Sensor Signal Plausibility Check Stuck Lean -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • deviation to oxygen concentration (while fuel cutoff) > 4, 6 % vol/vol
  • Engine in fuel cutoff
  • EGR high and low pressure, closed
  • O2 heater temperature > 720 and/or < 840° C
  • integrated air flow while in fuel cut-off > 85 g
  • Regeneration inactive
  • engine speed > 1200 RPM
  • Air mass 250 - 3000 mg/stroke
 2 s
  • Continuous
  • 2 DCY
P2196 HO2 Sensor Signal Plausibility Check Stuck Rich -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • deviation to oxygen concentration (while fuel cutoff) < -6, 3 % vol/vol
  • Engine in fuel cutoff
  • EGR high and low pressure, closed
  • O2 heater temperature > 720 and/or < 840° C
  • integrated air flow while in fuel cut-off > 85 g
  • Regeneration inactive
  • engine speed > 1200 RPM
  • Air mass 250 - 3000 mg/stroke
 2 s
  • Continuous
  • 2 DCY
P2200 NOx Sensor Circuit Internal Continuity checking / monitoring -- Check the Nox Sensor -G295-. Refer to NOX SENSOR / MODULE, CHECKING .
  • NOx sensor signal ratio of validity > = 0.50 [-]
  • measured A/F ratio (O2S) > 1.0 [-]
  • NOx sensor = activation has occurred
  • Forced activation x s after dew point release > 350 s
  • dew point = exceeded
  • steady state condition (actual filtered A/F ratio (O2S) < 0 ••• 0.2 for > 5 s
 event debouncing 3 x15 s
  • 2 DCY
Open or Shorted -
  • Dew point end - reached
  • Exhaust gas temperature upstream SCR catalyst > 100 and/or < 500 °C
  • Battery voltage > 10.8 V
P2201 NOx Sensor Circuit Range / Performance -- Check the Nox Sensor -G295-. Refer to NOX SENSOR / MODULE, CHECKING .
  • Average NOx offset during fuel cutoff < -30 ppm or > 50 ppm
  • Time after dewpoint release for sensor heating > 250 s.
  • NOx signal valid for > 30 s
  • Measured lambda value > 1
  • Engine speed > 1000 and < 3500 RPM
  • Fuel cutoff = active
  • Average exhaust gas temp in SCR catalyst > 50 and/or < 330° C
 2 x 10 s
  • 2 DCY
Monitoring of NOx Sensor Circuit undershoot during fuel cut off
  • NOx signal < -40 ppm
  • Fuel cutoff = active
  • Engine speed > 1000 and < 3500 RPM
  • NOx signal valid for > 30 s
  • Time after dewpoint release for sensor heating > 250 Sec.
 5 x 5.5 s
Stuck Check -
  • NOX sensor heater control = active
  • after peak detection of NOx value upstream Time since engine start > 120 s
  • calculated exhaust mass flow < 115 kg/h
  • calculated NOX value upstream < 150 ppm
  • stable for 3 s
  • then calculated exhaust mass flow > 130 kg/h
  • calculated NOX value upstream > 100 ppm
  • stable for 2.2 s
 2 x 5.5 s
P2202 NOx Sensor Circuit Range Check Low -- Check the Nox Sensor -G295-. Refer to NOX SENSOR / MODULE, CHECKING .
  • NOx sensor reading < -105 ppm
  • Dew point end - reached
  • NOx control loop = closed
 2 s
  • 2 DCY
P2203 NOx Sensor Bank 1 Sensor 1 Circuit High -- Check the Nox Sensor -G295-. Refer to NOX SENSOR / MODULE, CHECKING .
  • NOx sensor reading > 1655 ppm
  • Dew point end - reached
  • NOx control loop = closed
 2 s
  • 2 DCY
P2209 NOx Sensor Heater Circuit Range / Performance -- Check the Nox Sensor -G295-. Refer to NOX SENSOR / MODULE, CHECKING .
  • NOx control not active for > 180 s
  • Dew point = exceeded
 180 s
  • 2 DCY
P220A NOx Sensor Circuit Supply Voltage Error -- Check the Nox Sensor -G295-. Refer to NOX SENSOR / MODULE, CHECKING .
  • Difference between battery and sensor supply voltage > 1.5 V and/or < -16V
  • Sensor supply voltage > 10.8 V
  • Exhaust gas temperature upstream SCR catalyst 100 to 500° C
  • Dew point end - reached
 2 s
  • 2 DCY
P2237 HO2 Sensor Control Circuit Dynamic Check pump current (IP) -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • pump current (IP) < 0.005 [-]
  • Calculated oxygen concentration > 0.07 [-]
  • fuel cutoff = Not Active
  • Battery voltage > 10.7 V
 5 s
  • Continuous
  • 2 DCY
P2243 HO2 Sensor Control Circuit Dynamic Check Nernst voltage (UN) -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • Nernst voltage (UN) internal resistance > 1104Ω
  • Internal signal voltage > 3 V
  • HO2 Sensor Heater temperature > 720° C
  • Battery voltage = exhaust gas flow, exhaust gas temperature at sensor element
 4 s
  • Continuous
  • 2 DCY
P2251 HO2 Sensor Control Circuit Dynamic Check virtual ground (VM) -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • virtual ground (VM) internal resistance > 1104 Ω
  • Internal signal voltage < 1.4 V and/or > 1.6 V
  • HO2 Sensor Heater temperature > 720° C
  • Battery voltage = exhaust gas flow, exhaust gas temperature at sensor element
 4 s
  • Continuous
  • 2 DCY
P2294 Fuel Pressure Metering Valve Circuit Open -- Check the Fuel Metering Valve -N290-. Refer to FUEL METERING VALVE, CHECKING .
  • Signal Current < 0.8 mA
  • time after engine start 5 - 15 s
 50 - 290 ms
  • Continuous
  • 2 DCY
P2295 Fuel Pressure Metering Valve Circuit Shorted to Ground -- Check the Fuel Metering Valve -N290-. Refer to FUEL METERING VALVE, CHECKING .
  • Signal Voltage < 2.0 V
  • time after engine start 5 - 15 s
 50 - 290 ms
  • Continuous
  • 2 DCY
P2296 Fuel Pressure Metering Valve Circuit Shorted to Battery Voltage -- Check the Fuel Metering Valve -N290-. Refer to FUEL METERING VALVE, CHECKING .
  • Signal Current > 3.0 A
  • time after engine start 5 - 15 s
 0.2 s
  • Continuous
  • 2 DCY
P240F EGR System Dynamic Check -- Check the EGR Motor -V338-. Refer to EGR MOTOR AND EGR POTENTIOMETER SENSOR, CHECKING .-- Check the EGR Motor 2 -V339-. Refer to EGR MOTOR 2 AND EXHAUST GAS RECIRCULATION POSITION SENSOR 2, CHECKING .
  • Calculated characteristics value: at positive air mass change> 20[-]
  • EGR valve > 30% and/or < 89%.
  • Fuel quantity > 5 mg
  • Engine speed 1300 - 2500 RPM
  • ECT > 20.00° C
  • Ambient temp > -10° C
  • Exhaust Flap Motor > 20 % and/or < 89 %
  • LP EGR valve > 20 % and/or < 89 %
  • Desired air mass charge > 40 mg/stroke and < 600 mg/stroke
 10 s
  • 2 DCY
  • Calculated characteristics value: at negative air mass change> 20[-]
  • EGR valve > 30% and/or < 89%.
  • Fuel quantity > 5 mg
  • Engine speed 1300 - 2500 RPM
  • ECT > 20.00° C
  • Ambient temp > -10° C
  • Exhaust Flap Motor > 20 % and/or < 89 %
  • LP EGR valve > 20 % and/or < 89 %
  • Desired air mass charge < -40 mg/stroke and/or > -600 mg/stroke
P2413 EGR System / fuel mean value adaption -- Check the EGR Motor -V338-. Refer to EGR MOTOR AND EGR POTENTIOMETER SENSOR, CHECKING .-- Check the EGR Motor 2 -V339-. Refer to EGR MOTOR 2 AND EXHAUST GAS RECIRCULATION POSITION SENSOR 2, CHECKING .
  • Number of learning points at fuel mass adaptation limit >= 4
  • At upper limit = 6 mg/stroke
  • At lower limit = -6 mg/stroke
 --- 480 ms
  • once Per DCY
  • 2 DCY
P242A Exhaust Gas Temperature Sensor 3 Circuit Open or Short to Battery voltage -- Check the Exhaust Gas Temperature Sensor 3 -G495-. Refer to EXHAUST GAS TEMPERATURE SENSORS 1 - 4, CHECKING .
  • Signal voltage > 1.72 V
 --- 480 ms.
  • 2 DCY
P242B Exhaust Gas Temperature Sensor 3 Circuit Plausibility check -- Check the Exhaust Gas Temperature Sensor 3 -G495-. Refer to EXHAUST GAS TEMPERATURE SENSORS 1 - 4, CHECKING .
  • Comparison of upstream turbine exhaust gas temp vs modeled temperature < 45K
  • Engine run time > 3 mins.
  • ECT > 10° C
  • Simulated sensor temp > 300° C
 20 s Vehicle speed above 25 mph
  • 2 DCY
  • temperature difference to other temperature sensors during cold start > 40 K
  • Engine off time > 7 Hrs.
  • Decrease of IAT after engine start < 5° K
  • ECT < 30° C
  • Decrease of AAT after engine start < 5° K
  • 2 DCY with cold start
P242C Exhaust Gas Temperature Sensor 3 Circuit Short to Ground -- Check the Exhaust Gas Temperature Sensor 3 -G495-. Refer to EXHAUST GAS TEMPERATURE SENSORS 1 - 4, CHECKING .
  • Signal voltage < 0.45 V
 --- 480 ms
  • 2 DCY
P244C Exhaust Gas Temperature Sensors Circuit Feedback check -- Check the Exhaust Gas Temperature Sensors --. Refer to EXHAUST GAS TEMPERATURE SENSORS 1 - 4, CHECKING .
  • Time to activate control loop EGT Upstream turbine > 45 s
  • Regeneration demand for PM trap = On
  • Temperature upstream turbine > 300 °C
  • Desired post injection > 1 mg/stroke
  • Fuel quality > 10 and/or < 30 mg/stroke
  • Engine speed > 1200 and/or < 2850 RPM
  • ECT between 20.1 - 114.9 °C
  • Vehicle speed > 5 MPH
 45 s
  • 1 DCY
  • Time to activate control loop EGT Upstream particulate matter trap > 60 s
  • Regeneration demand for PM trap = On
  • Temperature upstream turbine > 300 °C
  • Desired post injection > 5 mg/stroke
  • Fuel quality > 10 and/or < 44.9 mg/stroke
  • Engine speed > 1200 and/or < 3050 RPM
  • ECT between 20.1 - 114.9 °C
  • Vehicle speed > 35 MPH
 60 s
P2452 Exhaust Pressure Sensor Circuit Short to Battery voltage -- Check the Exhaust Pressure Sensor 1 -G450-. Refer to EXHAUST PRESSURE SENSOR 1 & DIFFERENTIAL PRESSURE SENSOR, CHECKING .
  • Signal voltage > 4.9 V
 --- 480 ms
  • 2 DCY
P2453 Exhaust Pressure Sensor Circuit Offset detection during afterrun -- Check the Exhaust Pressure Sensor 1 -G450-. Refer to EXHAUST PRESSURE SENSOR 1 & DIFFERENTIAL PRESSURE SENSOR, CHECKING .
  • Differential pressure signal > 200 hPa and/or < -150 hPa
OR
  • Differential pressure signal > 80 hPa and/or < -80 hPa
  • offset corrected differential pressure signal > 10 hPa and < -10 hPa
  • engine condition = after-run
  • time since engine stop > 5 s
  • ECT > 59.96° C
  • offset adaption during driving cycle = successful
 500 ms
  • 2 DCY
P2454 Exhaust Pressure Sensor Circuit Short to Ground -- Check the Exhaust Pressure Sensor 1 -G450-. Refer to EXHAUST PRESSURE SENSOR 1 & DIFFERENTIAL PRESSURE SENSOR, CHECKING .
  • Signal voltage < 0.2 V
 --- 480 ms.
  • 2 DCY
P2456 Exhaust Pressure Sensor Circuit Plausibility check -- Check the Exhaust Pressure Sensor 1 -G450-. Refer to EXHAUST PRESSURE SENSOR 1 & DIFFERENTIAL PRESSURE SENSOR, CHECKING .
  • Inverse change of differential pressure per time > 10 hPa/s
  • Inverse change of differential pressure per time > -10 hPa/s
  • Change of volume flow < -20 (m^3/h)/s
  • Change of volume flow > 20 (m^3/h)/s
  • Engine = running
  • Time since Engine Started = 20 s
 9.5 s
  • 2 DCY
P2457 Exhaust Gas Recirculation Cooling System Performance -- Check the Exhaust Gas Temperature Sensors --. Refer to EXHAUST GAS TEMPERATURE SENSORS 1 - 4, CHECKING .-- Check the EGR Temperature Sensor -G98-. Refer to EGR TEMPERATURE SENSOR, CHECKING .
  • Sensor temperature above threshold ≥ 40° K
  • ECT > 70° C
  • Exhaust gas temperature upstream LP EGR cooler > 300° C
  • Engine speed > 900 rpm
  • Mass flow low pressure EGR > 0.1kg/h..- < 200 kg/h
  • Engine run time > 2 min.
  • Status exhaust gas treatment = inactive PM trap regeneration
 45 s.
  • 2 DCY
P2458 Diesel Particulate Matter trap Incomplete regeneration -- Check the Exhaust Pressure Sensor -G450- / Differential Pressure Sensor -G505-. Refer to EXHAUST PRESSURE SENSOR 1 & DIFFERENTIAL PRESSURE SENSOR, CHECKING .
  • Regeneration time > 90 mins.
  • PM trap regeneration = active
  • PM trap regeneration has ended successfully = true
 90 mins.
  • 1 DCY
P2459 Diesel Particulate Matter trap Frequent regeneration -- Check the Exhaust Pressure Sensor -G450- / Differential Pressure Sensor -G505-. Refer to EXHAUST PRESSURE SENSOR 1 & DIFFERENTIAL PRESSURE SENSOR, CHECKING .
  • PM trap loading (calculation from differential pressure) > dynamically rising threshold (soot emissions)
  • PM trap regeneration = not active
  • PM trap regeneration has occurred successful = true
  • PM trap regeneration = starting and/or or threshold above max soot load for triggering DPF regeneration
 Approx. 70 miles
  • 2 DCY
P2463 Diesel Particulate Filter Soot Accumulation -- Check the Exhaust Pressure Sensor 1 -G450- / Differential Pressure Sensor -G505-. Refer to EXHAUST PRESSURE SENSOR 1 & DIFFERENTIAL PRESSURE SENSOR, CHECKING . If the pressure sensors are OK, a Service Bay Regeneration should be performed using scan tool. If the code resets, replace the Particulate Trap filter.
  • Calculated particulate matter trap loading > 40 g
 --- 200 ms
  • 2 DCY
P246E Exhaust Gas Temperature Sensor 4 Circuit Open or Short to Battery voltage -- Check the Exhaust Gas Temperature Sensor 4 -G648-. Refer to EXHAUST GAS TEMPERATURE SENSORS 1 - 4, CHECKING .
  • Signal voltage > 1.72 V
 --- 480 ms
  • 2 DCY
P246F Exhaust Gas Temperature Sensor 4 Circuit Plausibility check -- Check the Exhaust Gas Temperature Sensor 4 -G648-. Refer to EXHAUST GAS TEMPERATURE SENSORS 1 - 4, CHECKING .
  • Sensor temperature < 230 °C
  • Engine run time > 3 min.
  • ECT > 10 °C
  • Simulated sensor temp > 300 °C
 60 s
  • 2 DCY
  • temperature difference to other temperature sensors during cold start > 40 K
  • Engine off time > 7 Hrs.
  • Decrease of IAT after engine start < 5° K
  • ECT < 30° C
  • Decrease of AAT after engine start < 5° K
 20 s Vehicle speed above 25 mph
  • 2 DCY with cold start
P2470 Exhaust Gas Temperature Sensor 4 Circuit Short to Ground -- Check the Exhaust Gas Temperature Sensor 4 -G648-. Refer to EXHAUST GAS TEMPERATURE SENSORS 1 - 4, CHECKING .
  • Signal voltage < 0.45 V
 --- 480 ms
  • 2 DCY
P2478 Exhaust Gas Temperature Sensor 1 Circuit Out of Range -- Check the Exhaust Gas Temperature Sensor 1 -G235-. Refer to EXHAUST GAS TEMPERATURE SENSORS 1 - 4, CHECKING .
  • Control deviation > 40 K
  • Regeneration from PM trap = On
  • Upstream turbine temperature > 300° C
 30 s
  • 1 DCY
P247A Exhaust Gas Temperature Sensor 3 Circuit Out of Range -- Check the Exhaust Gas Temperature Sensor 3 -G495-. Refer to EXHAUST GAS TEMPERATURE SENSORS 1 - 4, CHECKING .
  • Control deviation > limit from Map
OR
  • < limit from Map f (engine speed, torque
  • Regeneration from PM trap = On
  • Upstream turbine temperature > 450° C
  • Desired post injection > 5 mg/stroke
  • Fuel quantity > 3 mg/stroke
  • Engine speed 1250 - 4000 RPM
  • ECT between 20 - 115° C
  • Veh speed > 35 km/h
 30 s
  • 1 DCY
P2563 Charge Pressure Actuator Position Sensor Circuit Range / Performance -- Check the Charge Pressure Actuator Position Sensor -G581-. Refer to CHARGE PRESSURE ACTUATOR POSITION SENSOR, CHECKING .
  • Signal voltage > 4.5 V and/or < 0.3 V
 - 480 ms
  • 2 DCY
Charge Pressure Actuator Position Sensor Circuit Desired Range (Closed)
  • Signal voltage > 1.72 V and/or < 0.3 V
  • Engine = running
  • Desired position of Turbo charger actuator = 100%
  • Battery voltage > 10.7 V
  • Ambient pressure signal > 733 hPa
  • Time after Start > 40000 ms
 200 ms
P2564 Charge Pressure Actuator Position Sensor Circuit Short to Ground -- Check the Charge Pressure Actuator Position Sensor -G581-. Refer to CHARGE PRESSURE ACTUATOR POSITION SENSOR, CHECKING .
  • Signal voltage < 0.15 V
 --- 480 ms
  • 2 DCY
P2565 Charge Pressure Actuator Position Sensor Circuit Open or Short to Battery voltage -- Check the Charge Pressure Actuator Position Sensor -G581-. Refer to CHARGE PRESSURE ACTUATOR POSITION SENSOR, CHECKING .
  • Signal voltage > 4.85 V
 --- 480 ms
  • 2 DCY
P2610 ECM Internal Engine Off Timer Performance -- Replace the Engine Control Module (ECM) -J623- Refer to the Repair Information for procedure.
  • Quantity count over time threshold < 7.52 or > 8.48 Sec
.
  • Engine off
  • Power on reset
 24 Sec. in key Off position
  • 2 DCY
P268A Fuel Injectors Calibration Not Learned / Programmed The ECM will need to be programmed using a VAS 50XX (available for rental from your local Dealer or equivalent scan tool), with the calibration number stamped on the injectors or for an injector that was replaced during diagnosis you must change the individual calibration number
  • accumulated global release time of zero fuel calibration but disabled by rail pressure deviation > 35 s
 --- ≤ 1 UDC Cycle
  • Continuous
  • 2 DCY
U0001 High Speed CAN Communication Bus -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .
  • CAN driver A status Bus Off.
  • Engine running
 200 ms
  • 2 DCY
U0002 High Speed CAN Communication Bus Performance -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .
  • CAN driver A status no communication
  • Engine running
 240 ms
  • 2 DCY
U0029 Vehicle Communication Bus A Performance -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .
  • CAN driver B status no communication
  • Engine running
 440 ms
  • 2 DCY
U0101 Lost Communication with TCM Check TCM communication with a scan tool. If no TCM communication with scan tool and all other modules communicate, check TCM power and grounds. If OK, replace TCM Module.
  • value from TCM = error state
  • Engine running
 440 ms
  • 2 DCY
U102C Lost Communication With Anti-Lock Brake System (ABS) Control Module Check ABS communication with a scan tool. If no ABS communication with scan tool and all other modules communicate, check ABS power and grounds. If OK, replace ABS Module.
  • No TCM messages received.
  • engine torque > 120Nm
 500 ms
  • 2 DCY
U0121 Lost Communication With Anti-Lock Brake System (ABS) Control Module Check ABS communication with a scan tool. If no ABS communication with scan tool and all other modules communicate, check ABS power and grounds. If OK, replace ABS Module.
  • Message from ABS module = missing
  • Engine running
 440 ms
  • 2 DCY
U0146 Lost Communication With Gateway "A" Check Gateway communication with a scan tool. If no Gateway communication with scan tool and all other modules communicate, check Gateway power and grounds. If OK, replace Gateway Module.
  • Fault message from gateway module = true
 --- 240 ms
  • 2 DCY
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module Check IPC communication with a scan tool. If no IPC communication with scan tool and all other modules communicate, check IPC power and grounds. If OK, replace IPC Module.
  • Fault messages received from Instrument cluster
  • Engine running
 440 ms
  • 2 DCY
U0302 Software Incompatibility with Transmission Control Module Check for correct software in ECM and TCM. If software is incorrect, reflash module with correct software.
  • Fault message from automatic transmission module.
  • Engine running
 440 ms
  • 2 DCY
U0402 Invalid Data Received From Transmission Control Module May have VIN error. Check VIN in each module for correct data
  • Wrong TCM messages received.
  • Engine running
 440 ms
  • 2 DCY
U0415 Invalid Data Received From Anti-Lock Brake System Control Module May have vehicle speed error. Using a scan tool, check for correct vehicle speed reading from wheel sensors in ABS module. If an ABS fault (DTC) exists, refer to the ABS Diagnosis in the Repair Information.
  • Implausible ABS messages sent. Veh speed > 320 km/h or missing vehicle speed data.
  • Engine running
 500 ms
  • 2 DCY
U0423 Invalid Data Received From Instrument Panel Cluster Control Module May have VIN error. Check VIN in each module for correct data
  • Error message sent from instrument cluster to ECU = invalid data.
  • Battery voltage > 9V
 440 ms
  • 2 DCY
U1006 NOX Sensor No Communication -- Check the Nox Sensor -G295-. Refer to NOX SENSOR / MODULE, CHECKING . NOx sensor messages not received. --- 440 ms
  • 2 DCY
U1024 Instrument cluster control module Read out DTC -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .Check IPC communication with a scan tool. If no IPC or intermittent communication with scan tool exists and all other modules communicate with tool, check IPC connectors and terminals for spread or loose connection. Check power and grounds. If above check results are OK, replace IPC Module.
  • Error message sent from instrument cluster to ECU
  • Communication time after T15 on > 1 Sec.
 2 s
  • 2 DCY
U1034 NOx Sensor 1 Implausible Signal -- Check the Nox Sensor -G295-. Refer to NOX SENSOR / MODULE, CHECKING . Time out fault message from NOx sensor --- 440 ms
  • 2 DCY
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