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Engine/Motor Control Module --, 2021 MY

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
Catalyst System P0420  - Catalyst System Efficiency Below Threshold Bank 1 intrusive monitor ratio of measured corrected     monitor entry conditions        
  • Three Way Catalytic Converter (TWC)
  • Oxygen Sensor 1 After Catalytic Converter -GX7-
  • Oxygen Sensor 1 Before Catalytic Converter -GX10-
      OSC / OSC of borderline              
      catalyst              
    measure of OSC compared to OSC of borderline catalyst arithmetic average value of OSC ratio not calibrated [-] conditions for active lambda diagnosis (referenced) checked   15 [s] once / DCY 1 DCY
      or     for arithmetic average value        
            calculation        
      EWMA filtered value of OSC ratio < 1.00 [-] number of checks required for valid result not calibrated [-]    
            for EWMA-filter        
            K-factor 0.30 [-]    
            minimum number of tests per DCY required 1 [-]    
            step change detection will        
            initiate multiple tests per DCY        
            conditions for step change        
            detection        
            deviation between new measured value and old EWMA filtered value > 0.75 [-]    
            number of checks for confirmation 5.00 [-]    
            or        
            maximum tolerance to confirm filtered value 0.30 [-]    
            initial value of filtered value 5.00 [-]    
            maximum number of checks per DCY 3.00 [-]    
            additional conditions        
            no additional conditions calibrated        
Misfire P0300 - Random/Multiple Cylinder Misfire Detected crankshaft speed fluctuation (single or multiple) emission threshold misfire rate (MR) > 2.90 [%] case 1:     1000 [rev] continuous 2 DCY
  • Check the spark plugs visually for signs of fouling.
  • Check the intake system visually for leaks (false air).
  • Check for an engine mechanical fault with a cylinder compression test. Carbon buildup may cause a higher than normal compression reading and may contribute to this concern. Refer to appropriate service information for low compression readings or for carbon buildup removal.
  • Check the fuel pressure and delivery quantity.
  • Fuel Injectors --
  • Ignition Coils with Power Output Stage --
  P0301  - Cylinder 1 Misfire Detected   catalyst damage misfire rate (MR) > 5.00...25.00 [%] ECT downstream engine @ start >= -30 [°C] 200 [rev] continuous immediately
  • Check the spark plugs visually for signs of fouling.
  • Check the intake system visually for leaks (false air).
  • Check for an engine mechanical fault with a cylinder compression test. Carbon buildup may cause a higher than normal compression reading and may contribute to this concern. Refer to appropriate service information for low compression readings or for carbon buildup removal.
  • Check the fuel pressure and delivery quantity.
  • Fuel Injectors --
  • Ignition Coils with Power Output Stage --
  P0303  - Cylinder 3 Misfire Detected P0304  - Cylinder 4 Misfire Detected         case 2: ECT downstream engine @ start < -30 [°C]    
  • Check the spark plugs visually for signs of fouling.
  • Check the intake system visually for leaks (false air).
  • Check for an engine mechanical fault with a cylinder compression test. Carbon buildup may cause a higher than normal compression reading and may contribute to this concern. Refer to appropriate service information for low compression readings or for carbon buildup removal.
  • Check the fuel pressure and delivery quantity.
  • Fuel Injectors --
  • Ignition Coils with Power Output Stage --
  P0302  - Cylinder 2 Misfire Detected         then activation if ECT downstream engine first start in DCY engine speed ignition counter re-start engine ignition counter general conditions time after engine start engine torque fuel cut off rough road > -30 > 500 > 4 running > 4 > 0.0 >= 0 not active not detected [°C] [RPM] [-] [-] [s] [Nm]    
  • Check the spark plugs visually for signs of fouling.
  • Check the intake system visually for leaks (false air).
  • Check for an engine mechanical fault with a cylinder compression test. Carbon buildup may cause a higher than normal compression reading and may contribute to this concern. Refer to appropriate service information for low compression readings or for carbon buildup removal.
  • Check the fuel pressure and delivery quantity.
  • Fuel Injectors --
  • Ignition Coils with Power Output Stage --
Misfire P0316 - Engine Misfire Detected on Startup (First 1000 Revolutions) crankshaft speed fluctuation (single or multiple) emission threshold misfire rate (MR) > 2.90 [%] case 1:     1000 [rev] continuous 2 DCY
  • Check the spark plugs visually for signs of fouling.
  • Check the intake system visually for leaks (false air).
  • Check for an engine mechanical fault with a cylinder compression test. Carbon buildup may cause a higher than normal compression reading and may contribute to this concern. Refer to appropriate service information for low compression readings or for carbon buildup removal.
  • Check the fuel pressure and delivery quantity.
  • Fuel Injectors --
  • Ignition Coils with Power Output Stage --
            ECT downstream engine @ start >= -30 [°C]    
            case 2:        
            ECT downstream engine @ start < -30 [°C]    
            then activation if ECT downstream engine > -30 [°C]    
            first start in dcy        
            engine speed > 500 [RPM]    
            ignition counter > 4 [-]    
            re-start        
            engine running      

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
            ignition counter general conditions time after engine start engine torque fuel cut off rough road > 4> 0.0 >= 0 not active not detected [-] [s] [Nm]      
Auto-Ignition P039B - Cylinder 1 Pressure Too High P03AF - Cylinder 3 Pressure Too High crankshaft speed fluctuation Cyl. 1 - no dynamic: relative angular crankshaft deceleration > 16000.00...20700.00 [1/s2 ] engine load engine speed > 60.0< 6000 [%] [RPM] 30 [rev] continuous 2 DCY
  • This DTC may set due to poor fuel quality or fuel that has aged excessively. If necessary, drain the fuel from the vehicle and replace with fresh fuel.
  • Check the spark plugs visually for signs of fouling.
  • Check for an engine mechanical fault with a cylinder compression test. Carbon buildup may cause a higher than normal compression reading and may contribute to this concern. Refer to appropriate service information for low compression readings or for carbon buildup removal.
  • Knock Sensor 1 -G61-
  • Engine Speed Sensor -G28-
  P03B9 - Cylinder 4 Pressure Too High P03A5 - Cylinder 2 Pressure Too High   or Cyl. 1 - medium dynamic: relative angular crankshaft deceleration > 24000.00...31050.00 [1/s2 ] clutch gear shift fuel cut off closed not active not active      
  • This DTC may set due to poor fuel quality or fuel that has aged excessively. If necessary, drain the fuel from the vehicle and replace with fresh fuel.
  • Check the spark plugs visually for signs of fouling.
  • Check for an engine mechanical fault with a cylinder compression test. Carbon buildup may cause a higher than normal compression reading and may contribute to this concern. Refer to appropriate service information for low compression readings or for carbon buildup removal.
  • Knock Sensor 1 -G61-
  • Engine Speed Sensor -G28-
      or Cyl. 1 - high dynamic: relative angular crankshaft deceleration > 32000.00...41400.00 [1/s2 ] diff. set point vs. actual rail pressure tooth angle adaptation diff. basic vs. current ignition timing < 10.00 finished < 180.00 [MPa] [° CRK]      
      Cyl. 2 - no dynamic: relative angular crankshaft deceleration > 16000.00...21300.00 [1/s2 ] no dynamic engine speed gradient <= 600.00...1400.00 [RPM/s] 30 [rev] continuous 2 DCY  
      or Cyl. 2 - medium dynamic: relative angular crankshaft deceleration > 24000.00...31950.00 [1/s2 ] and set point MAP gradient medium dynamic <= 63.28...430.31 [kPa/s]      
      or Cyl. 2 - high dynamic: relative angular crankshaft deceleration > 32000.00...42600.00 [1/s2 ] engine speed gradient or set point MAP gradient > 600.00...1400.00> 63.28...430.31 [RPM/s] [kPa/s]      
      Cyl. 3 - no dynamic: relative angular crankshaft deceleration >= 14200.00...16800.00 [1/s2 ] high dynamic engine speed gradient > 600.00...1400.00 [RPM/s] 30 [rev] continuous 2 DCY  
      or Cyl. 3 - medium dynamic: relative angular crankshaft deceleration >= 21300.00...25200.00 [1/s2 ] and set point MAP gradient > 63.28...430.31 [kPa/s]      
      or Cyl. 3 - high dynamic: relative angular crankshaft deceleration >= 28400.00...33600.00 [1/s2 ]            
      Cyl. 4 - no dynamic relative angular crankshaft deceleration > 15500.00...22600.00 [1/s2 ]       30 [rev] continuous 2 DCY  
      or Cyl. 4 - medium dynamic: relative angular crankshaft deceleration >= 23250.00...33900.00 [1/s2 ]            
      or Cyl. 4 - high dynamic: relative angular crankshaft deceleration > 31000.00...45200.00 [1/s2 ]            

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
Evaporative Emission (EVAP) System P30DC - Pressure Release For Refueling Gas Tank Not Possible functional check evaporative system vapor pressure >= 2.50; <= -4.00 [kPa] evaporative system vapor pressure >= 2.50; <= -4.00 [kPa] 30.0 [s] once / DCY 2 DCY
  • Tank Switch-Off Valve -N288-
      and                
      time after refueling request >= 30.0 [s]            
Evaporative Emission (EVAP) System Fuel Filler Door P04B5 - Fuel Fill Door Stuck Open fuel consumption not in expected range cumulative fuel consumption since refuel > 80.00 [l]       0.1 [s] continuous 1 DCY
  • Fuel Filler Door Unlock -EX13-
Evaporative Emission (EVAP) System Vent Valve P0498 - EVAP System Vent Valve Control Circuit Low circuit low signal voltage < 2.74...3.26 [V] actuator ECM pre-drive battery voltage commanded off not detected > 8.90 [V] 0.5 [s] continuous 2 DCY
  • EVAP Canister Purge Regulator Valve 1 -N80-
Evaporative Emission (EVAP) System Vent Valve P0449 - EVAP System Vent Valve Control Circuit/Open open circuit signal voltage > 2.74...3.26; <= 4.70...5.40 [V] actuator ECM pre-drive battery voltage commanded off not detected > 8.90 [V] 0.5 [s] continuous 2 DCY
  • EVAP Canister Purge Regulator Valve 1 -N80-
Evaporative Emission (EVAP) System Vent Valve P0499 - EVAP System Vent Valve Control Circuit High circuit high signal current >= 8.5...12.5 [A] actuator ECM pre-drive battery voltage commanded on not detected > 8.90 [V] 0.5 [s] continuous 2 DCY
  • EVAP Canister Purge Regulator Valve 1 -N80-
Evaporative Emission (EVAP) P2422 - EVAP System Vent Valve Stuck Closed intrusive monitor change of EVAP pump current > 2.0 [mA] AAT 4...143 [°C] 110.6 [s] 2 DCY
  • EVAP Canister Purge Regulator Valve 1 -N80-
System Vent Valve                 once / DCY    
    stuck close within time >= 5.0 [s] BARO >= 72.00 [kPa]      
            battery voltage >= 10.90; <= 16.10 [V]      
            difference between low-pass <= | 0.20 | [kPa]      
            filtered and actual barometric          
            pressure          
            vehicle speed (upper range) < 105 [km/h]      
            vehicle speed (lower range) > 20 [km/h]      
            no refueling event not calibrated        
            fuel level not calibrated [l]      
            propulsion off time previous dcy >= 21600.0 [s]      
            diff. between ECT downstream not calibrated [K]      
            engine @ start and AAT          
            conditions optional          
            EVAP vent valve commanded 8.0 [s]      
            on for cumulative          
            within time 100.0 [s]      
            difference between low-pass <= | 0.10 | [kPa]      
            filtered and actual differential          
            evaporative system vapor          
            pressure          
            or          
            conditions optional          
            EVAP vent valve continuously 7.0 [s]      
            commanded on for          
            within time 100.0 [s]      
            additional general conditions          
            change in differential < | 1.00 | [kPa]      
            evaporative system vapor          
            pressure since start of pressure          
            reduction          
            time since engine start > 600.0 [s]      
            at least one leak detection preceding        
            monitor during engine off          

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
            ratio of actual EVAP pump < 1.50 [-]      
current difference between    
reference measurement and idle    
to last EVAP pump current    
difference at leak detection    
during engine off    
evap leak detection pump ready  
differential evaporative system < -3.50 [kPa]
vapor pressure    
or    
integrated EVAP purge mass > 8.0 [g]
evap purge adaptation < 5.00 [-]
change in differential < 0.30 [kPa/s]
evaporative system vapor    
pressure when EVAP vent valve    
closed    
within time >= 1.8 [s]
integrated EVAP purge mass > 8.0 [g]
after monitoring break    
time after monitoring break >= 300.0 [s]
EVAP vent valve commanded on  
P2421 - EVAP System Vent Valve Stuck Open intrusive monitor ratio of actual EVAP pump <= 2.00 [-] AAT 4...143 [°C] 110.6 [s] 2 DCY
  • EVAP Canister Purge Regulator Valve 1 -N80-
    current gradient to EVAP pump           once / DCY    
    current gradient with EVAP vent                
    valve commanded open                
  stuck open and     BARO >= 72.00 [kPa]      
    change of EVAP pump current <= 1.2 [mA] battery voltage >= 10.90; <= 16.10 [V]      
    within time >= 5.0 [s] difference between low-pass <= | 0.20 | [kPa]      
          filtered and actual barometric          
          pressure          
          vehicle speed (upper range) < 105 [km/h]      
          vehicle speed (lower range) > 20 [km/h]      
          no refueling event not calibrated        
          fuel level not calibrated [l]      
          propulsion off time previous dcy >= 21600.0 [s]      
          diff. between ECT downstream not calibrated [K]      
          engine @ start and AAT          
          conditions optional          
          EVAP vent valve commanded 8.0 [s]      
          on for cumulative          
          within time 100.0 [s]      
          difference between low-pass <= | 0.10 | [kPa]      
          filtered and actual differential          
          evaporative system vapor          
          pressure          
          or          
          conditions optional          
          EVAP vent valve continuously 7.0 [s]      
          commanded on for          
          within time 100.0 [s]      
          additional general conditions          
          change in differential < | 1.00 | [kPa]      
          evaporative system vapor          
          pressure since start of pressure          
          reduction          
          time since engine start > 600.0 [s]      
          at least one leak detection preceding        
          monitor during engine off          
          ratio of actual EVAP pump < 1.50 [-]      
          current difference between          
          reference measurement and idle          
          to last EVAP pump current          
          difference at leak detection          
          during engine off          

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
            evap leak detection pump ready        
differential evaporative system < -3.50 [kPa]
vapor pressure    
or    
integrated EVAP purge mass > 8.0 [g]
evap purge adaptation < 5.00 [-]
change in differential < 0.30 [kPa/s]
evaporative system vapor    
pressure when EVAP vent valve    
closed    
within time >= 1.8 [s]
integrated EVAP purge mass > 8.0 [g]
after monitoring break    
time after monitoring break >= 300.0 [s]
EVAP vent valve commanded off  
Evaporative Emission (EVAP) P04F0  - EVAP System High Load Purge Line "A" Performance intrusive monitor drop of EVAP pump current <= 0.7...1.1 [mA] ECT downstream engine > 41 [°C] 24.0 [s] 2 DCY
  • EVAP Canister Purge Regulator Valve 1 -N80-
System (High Pressure Purge                 once / DCY    
Line)   functional check: stuck close within time 2.5 [s] ECT downstream engine @ start < 120 [°C]      
            AAT < 143; > 4 [°C]      
            BARO > 73.95 [kPa]      
            battery voltage >= 10.90; <= 16.10 [V]      
            fuel level not calibrated [l]      
            time since engine start >= 600.0 [s]      
            integrated EVAP purge mass > 0.0 [g]      
            since last purge stop          
            evap purge adaptation <= 64.00 [-]      
            modeled vacuum in high <= 128.00; > 2.06 [kPa]      
            pressure purge line          
            modeled ratio of purge mass <= 1.50 [-]      
            flow into intake manifold          
            vehicle speed < 250; >= 30 [km/h]      
            delta vehicle speed <= 100 [km/h]      
            fuel volume flow <= 10.00 [ml/s]      
            at least one leak detection preceding        
            monitor during engine off          
            EVAP purge valve stuck open ready        
            monitor          
            engine speed > 20 [RPM]      
            gear shift not active        
            engine stop not active        
            lambda control closed loop        
            O2S front ready        
            evap purge valve commanded on        
            additional conditions          
            no additional conditions          
            calibrated          
Evaporative Emission (EVAP) P0456  - EVAP System Leak Detected (Very Small Leak) intrusive monitor EVAP - system leakage area > 0.12 [mm2 ] ECT downstream engine @ start >= 4 [°C] 800.0 [s] 2 DCY
  • Check the EVAP System for Leaks.
  • EVAP Canister Purge Regulator Valve 1 -N80-
  • Fuel Tank Leak Detection Control Module -J909-
System Very Small Leak     calculated from pump current           once / DCY    
    rationality check curve     diff. between ECT downstream not calibrated [K]      
            engine @ start and AAT          
            or          
            propulsion off time previous dcy >= 21600.0 [s]      
            AAT < 35; > 4 [°C]      
            BARO > 73.95 [kPa]      
            time since engine start in current >= 600.0 [s]      
            dcy          
            battery voltage >= 10.90; <= 16.10 [V]      
            change in battery voltage during < 1.00 [V]      
            monitoring          
            engine off time >= 5.0 [s]      
            vehicle speed 0 [km/h]      
            evap purge adaptation < 5.00 [-]      

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
            integrated purge mass flow since start of last purge phase not calibrated        
no sudden change in EVAP pump current (filling event) < 1.5; > -0.7 [mA]
deviation of filtered EVAP pump current during reference measurement within range <= 3.0 [mA]
change in relative EVAP pump current during monitoring not calibrated [-]
within time not calibrated [s]
(during ECM keep alive-time after ignition off, max. time) < 900.0 [s]
EVAP vent valve open  
airbag not activated  
fuel level not calibrated [l]
Evaporative Emission (EVAP) P0442  - EVAP System Leak Detected (Small Leak) intrusive monitor modeled pressure from pump < 1.10 [kPa] ECT downstream engine @ start >= 4 [°C] 700.0 [s] 2 DCY
  • Check the EVAP System for Leaks.
  • EVAP Canister Purge Regulator Valve 1 -N80-
  • Fuel Tank Leak Detection Control Module -J909-
System Small Leak     current           once / DCY    
    pressure check       diff. between ECT downstream not calibrated [K]      
            engine @ start and AAT          
            or          
            propulsion off time previous dcy >= 21600.0 [s]      
            AAT < 35; > 4 [°C]      
            BARO > 73.95 [kPa]      
            time since engine start in current >= 600.0 [s]      
            dcy          
            battery voltage >= 10.90; <= 16.10 [V]      
            change in battery voltage during < 1.00 [V]      
            monitoring          
            engine off time >= 5.0 [s]      
            vehicle speed 0 [km/h]      
            no sudden change in EVAP pump < 1.5; > -0.7 [mA]      
            current (filling event)          
            deviation of filtered EVAP pump <= 3.0 [mA]      
            current during reference          
            measurement within range          
            change in relative EVAP pump not calibrated [-]      
            current during monitoring          
            within time not calibrated [s]      
            (during ECM keep alive-time < 900.0 [s]      
            after ignition off, max. time)          
            EVAP vent valve open        
            airbag not activated        
            fuel level <= 100.00 [l]      
Evaporative Emission (EVAP) Diagnosis Module Tank Leakage (DMTL) P043E - EVAP System Leak Detection Reference Orifice Low Flow out of range high during engine off: EVAP pump current during reference measurement > 40.0 [mA] during engine off: ECT downstream engine @ start >= 4 [°C] 10.0 [s] once / DCY 2 DCY
  • Fuel Tank Leak Detection Control Module -J909-
      during engine running:     diff. between ECT downstream engine @ start and AAT not calibrated [K]      
      evap pump current during reference measurement > 40.0 [mA] or     3.0 [s] once / DCY 2 DCY  
            propulsion off time previous dcy >= 21600.0 [s]      
            AAT BARO time since engine start in current dcy battery voltage change in battery voltage during monitoring engine off time vehicle speed < 35; > 4 > 73.95 >= 600.0 >= 10.90; <= 16.10 < 1.00 >= 5.00 [°C] [kPa] [s] [V] [V] [s] [km/h]      

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
            deviation of filtered EVAP pump <= 3.0 [mA]      
current during reference    
measurement within range    
airbag not activated  
during engine running:    
ECT downstream engine > 41 [°C]
ECT downstream engine @ start < 120 [°C]
AAT < 143; > 4 [°C]
BARO > 73.95 [kPa]
time since engine start >= 600.0 [s]
integrated EVAP purge mass > 0.0 [g]
since last purge stop    
integrated EVAP purge mass > 0.0 [g]
since last monitoring run    
intake manifold vacuum > 3.80 [kPa]
vehicle speed < 120; >= 30 [km/h]
delta vehicle speed <= 4 [km/h]
fuel volume flow <= 5.00 [ml/s]
change in battery voltage during < 1.50 [V]
monitoring    
at least one leak detection preceding  
monitor during engine off    
engine load >= 0.00; <= 1535.98 [%]
engine speed > 20 [RPM]
fuel cut off not active  
gear shift not detected  
engine stop not commanded  
O2S front ready  
fuel level not calibrated [l]
P043F - EVAP System Leak Detection Reference Orifice High Flow out of range low during engine off:     during engine off:        
  • Fuel Tank Leak Detection Control Module -J909-
    evap pump current during < 15.0 [mA] ECT downstream engine @ start >= 4 [°C] 10.0 [s] 2 DCY  
    reference measurement           once / DCY    
    during engine running:     diff. between ECT downstream not calibrated [K]      
          engine @ start and AAT          
    evap pump current during < 15.0 [mA] or     3.0 [s] 2 DCY  
    reference measurement           once / DCY    
          propulsion off time previous dcy >= 21600.0 [s]      
          AAT < 35; > 4 [°C]      
          BARO > 73.95 [kPa]      
          time since engine start in current >= 600.0 [s]      
          dcy          
          battery voltage >= 10.90; <= 16.10 [V]      
          change in battery voltage during < 1.00 [V]      
          monitoring          
          engine off time >= 5.0 [s]      
          vehicle speed 0 [km/h]      
          deviation of filtered EVAP pump <= 3.0 [mA]      
          current during reference          
          measurement within range          
          airbag not activated        
          during engine running:          
          ECT downstream engine > 41 [°C]      
          ECT downstream engine @ start < 120 [°C]      
          AAT < 143; > 4 [°C]      
          BARO > 73.95 [kPa]      
          time since engine start >= 600.0 [s]      
          integrated EVAP purge mass > 0.0 [g]      
          since last purge stop          
          integrated EVAP purge mass > 0.0 [g]      
          since last monitoring run          
          intake manifold vacuum > 3.80 [kPa]      
          vehicle speed < 120; >= 30 [km/h]      
          delta vehicle speed <= 4 [km/h]      

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
            fuel volume flow <= 5.00 [ml/s]      
change in battery voltage during < 1.50 [V]
monitoring    
at least one leak detection preceding  
monitor during engine off    
engine load >= 0.00; <= 1535.98 [%]
engine speed > 20 [RPM]
fuel cut off not active  
gear shift not detected  
engine stop not demanded  
O2S front ready  
fuel level not calibrated [l]
P2407 - EVAP System Leak Detection Pump Sense Circuit Intermittent/Erratic signal check during engine off:     during engine off:        
  • Fuel Tank Leak Detection Control Module -J909-
    fluctuation of EVAP pump current > 3.0 [mA] ECT downstream engine @ start >= 4 [°C] 800.0 [s] 2 DCY  
    during reference measurement           once / DCY    
    or     diff. between ECT downstream not calibrated [K]      
          engine @ start and AAT          
    drop of EVAP pump current > 6.0 [mA] or          
    during pump phase                
    for time >= 3.0 [s] propulsion off time previous dcy >= 21600.0 [s]      
    during engine running - only     AAT < 35; > 4 [°C]      
    1.dcy                
    fluctuation of EVAP pump current > 3.0 [mA] BARO > 73.95 [kPa]      
    during reference measurement                
    or     time since engine start in >= 600.0 [s]      
          preceding dcy          
    drop of EVAP pump current > 6.0 [mA] battery voltage >= 10.90; <= 16.10 [V]      
    during pump phase                
    for time >= 3.0 [s] change in battery voltage during < 1.00 [V]      
          monitoring          
          engine off time >= 5.0 [s]      
          vehicle speed 0 [km/h]      
          no sudden change in EVAP pump < 1.5; > -0.7 [mA]      
          current (filling event)          
          change in relative EVAP pump not calibrated [-]      
          current during monitoring          
          within time not calibrated [s]      
          (during ECM keep alive-time < 900.0 [s]      
          after ignition off, max. time)          
          airbag not activated        
          during engine running:          
          ECT downstream engine > 41 [°C]      
          ECT downstream engine @ start < 120 [°C]      
          AAT < 143; > 4 [°C]      
          BARO > 73.95 [kPa]      
          time since engine start >= 600.0 [s]      
          integrated EVAP purge mass > 0.0 [g]      
          since last purge stop          
          integrated EVAP purge mass > 0.0 [g]      
          since last monitoring run          
          intake manifold vacuum > 3.80 [kPa]      
          vehicle speed < 120; >= 30 [km/h]      
          delta vehicle speed <= 4 [km/h]      
          fuel volume flow <= 5.00 [ml/s]      
          change in battery voltage during < 1.50 [V]      
          monitoring          
          at least one leak detection preceding        
          monitor during engine off          
          engine load >= 0.00; <= 1535.98 [%]      
          engine speed > 20 [RPM]      

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
            fuel cut off not active        
gear shift not detected  
engine stop not demanded  
O2S front ready  
fuel level not calibrated [l]
P2450 - EVAP System Switching Valve Performance/Stuck Open signal check during engine off:     during engine off:        
  • Fuel Tank Leak Detection Control Module -J909-
    evap pump current difference <= 3.0 [mA] ECT downstream engine @ start >= 4 [°C] 13.5 [s] 2 DCY  
    between reference           once / DCY    
    measurement to idle                
    during engine running:     diff. between ECT downstream not calibrated [K]      
          engine @ start and AAT          
    evap pump current difference <= 3.0 [mA] or     4.5 [s] 2 DCY  
    between reference           once / DCY    
    measurement to idle     propulsion off time previous dcy >= 21600.0 [s]      
          AAT < 35; > 4 [°C]      
          BARO > 73.95 [kPa]      
          time since engine start in >= 600.0 [s]      
          preceding dcy          
          battery voltage >= 10.90; <= 16.10 [V]      
          change in battery voltage during < 1.00 [V]      
          monitoring          
          engine off time >= 5.0 [s]      
          vehicle speed 0 [km/h]      
          no sudden change in EVAP pump < 1.5; > -0.7 [mA]      
          current (filling event)          
          deviation of filtered EVAP pump <= 3.0 [mA]      
          current during reference          
          measurement within range          
          change in relative EVAP pump not calibrated [-]      
          current during monitoring          
          within time not calibrated [s]      
          (during ECM keep alive-time < 900.0 [s]      
          after ignition off, max. time)          
          airbag not activated        
          during engine running:          
          ECT downstream engine > 41 [°C]      
          ECT downstream engine @ start < 120 [°C]      
          AAT < 143; > 4 [°C]      
          BARO > 73.95 [kPa]      
          time since engine start >= 600.0 [s]      
          integrated EVAP purge mass > 0.0 [g]      
          since last purge stop          
          integrated EVAP purge mass > 0.0 [g]      
          since last monitoring run          
          intake manifold vacuum > 3.80 [kPa]      
          vehicle speed < 120; >= 30 [km/h]      
          delta vehicle speed <= 4 [km/h]      
          fuel volume flow <= 5.00 [ml/s]      
          change in battery voltage during < 1.50 [V]      
          monitoring          
          at least one leak detection preceding        
          monitor during engine off          
          engine load >= 0.00; <= 1535.98 [%]      
          engine speed > 20 [RPM]      
          fuel cut off not active        
          gear shift not detected        
          engine stop not demanded        
          O2S front ready        
          fuel level not calibrated [l]      
Evaporative Emission (EVAP) Diagnosis Module Tank Leakage P148D - Evaporative Emission System Leak Detection Pump Implausible Frequency functional check filtered pump frequency < 60.0 [1/s] ECT downstream engine @ start >= 4 [°C] 10.0 [s] once / DCY 2 DCY
  • Fuel Tank Leak Detection Control Module -J909-

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
(DMTL) Pump Motor           diff. between ECT downstream not calibrated [K]      
  engine @ start and AAT      
  or      
  propulsion off time previous dcy >= 21600 [s]  
  AAT > 4; < 35 [°C]  
  BARO > 73.95 [kPa]  
  time since engine start in current >= 600.0 [s]  
  dcy      
  change in battery voltage during < 1.00 [V]  
  monitoring      
  engine off time >= 5.0 [s]  
  vehicle speed 0 [km/h]  
  deviation of filtered EVAP pump <= 3.0 [mA]  
  current during reference      
  measurement within range      
  airbag not activated    
  battery voltage 10.90...16.10 [V]  
  fuel level not calibrated [l]  
Evaporative Emission (EVAP) Diagnosis Module Tank Leakage (DMTL) Pump Motor P2401 - EVAP System Leak Detection Pump Control Circuit Low circuit low signal voltage <= 2.74...3.26 [V] evap pump electric drive for time ECM pre-drive battery voltage commanded off > 0.9 not detected > 8.90; <= 16.50 [s] [V] 0.5 [s] continuous 2 DCY
  • Fuel Tank Leak Detection Control Module -J909-
  P2400 - EVAP System Leak Detection Pump Control Circuit/Open open circuit signal voltage > 2.74...3.26; <= 4.70...5.40 [V] evap pump electric drive commanded off   0.5 [s] continuous 2 DCY
  • Fuel Tank Leak Detection Control Module -J909-
            for time ECM pre-drive battery voltage > 0.9 not detected > 8.90; <= 16.50 [s] [V]      
  P2402 - EVAP System Leak Detection Pump Control Circuit High circuit high signal voltage at EVAP pump Current measuring resistor > 4.00 [V] evap pump electric drive commanded on   0.5 [s] once / DCY 2 DCY
  • Fuel Tank Leak Detection Control Module -J909-
            battery voltage above conditions must be fulfilled for time ECM pre-drive <= 16.50 >= 120 not detected [V] [ms]      
  P2402 - EVAP System Leak Detection Pump Control Circuit High functional check: jammed pump motor signal voltage at EVAP pump current measuring resistor > 1.80 [V] evap pump electric drive commanded on   0.5 [s] once / DCY 2 DCY
  • Fuel Tank Leak Detection Control Module -J909-
            battery voltage above conditions must be fulfilled for time ECM pre-drive <= 16.50 >= 450 not detected [V] [ms]      
Evaporative Emission (EVAP) Diagnosis Module Tank Leakage (DMTL) Pump Heater P240B - EVAP System Leak Detection Pump Heater Control Circuit Low circuit low signal voltage <= 2.74...3.26 [V] evap pump heater ECM pre-drive battery voltage commanded off not detected > 8.90 [V] 0.5 [s] continuous 2 DCY
  • Fuel Tank Leak Detection Control Module -J909-
P240A - EVAP System Leak Detection Pump Heater Control Circuit/Open open circuit signal voltage > 2.74...3.26; <= 4.70...5.40 [V] evap pump heater ECM pre-drive battery voltage commanded off not detected > 8.90 [V] 0.5 [s] continuous 2 DCY
  • Fuel Tank Leak Detection Control Module -J909-
P240C - EVAP System Leak Detection Pump Heater Control Circuit High circuit high signal current >= 8.5...12.5 [A] evap pump heater ECM pre-drive battery voltage commanded on not detected > 8.90 [V] 0.5 [s] continuous 2 DCY
  • Fuel Tank Leak Detection Control Module -J909-
Evaporative Emission (EVAP) Diagnosis Module Tank Leakage P0448 - EVAP System Vent Control Circuit Shorted circuit low signal voltage <= 2.74...3.26 [V] evap pump solenoid valve commanded off   0.5 [s] continuous 2 DCY
  • Fuel Tank Leak Detection Control Module -J909-
(DMTL) Valve           ECM pre-drive not detected        
            battery voltage > 8.90 [V]      
            evap pump solenoid valve commanded on (at least once/dcy) detected        
  P0447 - EVAP System Vent Control Circuit Open open circuit signal voltage > 2.74...3.26; <= 4.70...5.40 [V] evap pump solenoid valve commanded off   0.5 [s] continuous 2 DCY
  • Fuel Tank Leak Detection Control Module -J909-

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
            ECM pre-drive battery voltage EVAP pump solenoid valve commanded on (at least once/dcy) not detected > 8.90 detected [V]      
P0448 - EVAP System Vent Control Circuit Shorted circuit high signal current >= 3.0...6.0 [A] evap pump solenoid valve ECM pre-drive battery voltage EVAP pump solenoid valve commanded on (at least once/dcy) commanded on not detected > 8.90 detected [V] 0.5 [s] continuous 2 DCY
  • Fuel Tank Leak Detection Control Module -J909-
Evaporative Emission (EVAP) P0496  - EVAP System High Purge Flow intrusive monitor actual EVAP pump current > 1.40 [-] ECT downstream engine > 41 [°C] 4.5 [s] 2 DCY
  • EVAP Canister Purge Regulator Valve 1 -N80-
Canister Purge Valve     difference between reference           once / DCY    
      measurement to idle                
    functional check: stuck open divided by     ECT downstream engine @ start < 120 [°C]      
      pump current difference from the     AAT < 143; > 4 [°C]      
      last leak detection phase during     BARO > 73.95 [kPa]      
      engine off     battery voltage >= 10.90; <= 16.10 [V]      
            fuel level not calibrated [l]      
            time since engine start >= 600.0 [s]      
            integrated EVAP purge mass > 0.0 [g]      
            since last purge stop          
            integrated EVAP purge mass > 0.0 [g]      
            since last monitoring run          
            intake manifold vacuum > 3.80 [kPa]      
            vehicle speed < 120; >= 30 [km/h]      
            delta vehicle speed <= 4 [km/h]      
            fuel volume flow <= 5.00 [ml/s]      
            at least one leak detection preceding        
            monitor during engine off          
            engine speed > 20 [RPM]      
            no fuel cut off          
            no gear shift          
            no engine stop          
            O2S front ready        
            evap purge valve commanded off        
            additional conditions          
            no additional conditions          
            calibrated          
  P0441  - EVAP System Incorrect Purge Flow intrusive monitor drop of EVAP pump current < 0.8...1.2 [mA] ECT downstream engine > 41 [°C] 29.5 [s] 2 DCY
  • EVAP Canister Purge Regulator Valve 1 -N80-
  • Fuel Tank Leak Detection Control Module -J909-
                  once / DCY    
    functional check: stuck close within time 8.0 [s] ECT downstream engine @ start < 120 [°C]      
            AAT < 143; > 4 [°C]      
            BARO > 73.95 [kPa]      
            battery voltage >= 10.90; <= 16.10 [V]      
            fuel level not calibrated [l]      
            time since engine start >= 600.0 [s]      
            integrated EVAP purge mass > 0.0 [g]      
            since last purge stop          
            integrated EVAP purge mass > 0.0 [g]      
            since last monitoring run          
            intake manifold vacuum > 3.80 [kPa]      
            modeled vacuum in high <= 1.90 [kPa]      
            pressure purge line          
            modeled ratio of purge mass <= 0.00 [-]      
            flow into intake manifold          
            vehicle speed < 120; >= 30 [km/h]      
            delta vehicle speed <= 4 [km/h]      
            fuel volume flow <= 5.00 [ml/s]      
            at least one leak detection preceding        
            monitor during engine off          
            increase of EVAP pump current >= 0.2 [mA]      
            from idle state          
            within time < 17.0 [s]      

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
            engine speed > 20 [RPM]      
no fuel cut off    
no gear shift    
no engine stop    
O2S front ready  
evap purge valve commanded on  
additional conditions    
no additional conditions calibrated    
Evaporative Emission (EVAP) Canister Purge Valve P0459 - EVAP System Purge Control Valve "A" Circuit High circuit high signal current >= 2.2...4.0 [A] actuator duty cycle commanded on 2...80 % 1.0 [s] continuous 2 DCY
  • EVAP Canister Purge Regulator Valve 1 -N80-
            battery voltage > 8.90 [V]      
            ECM pre-drive not detected        
            ECM post drive not detected        
Evaporative Emission (EVAP) Canister Purge Valve P0444 - EVAP System Purge Control Valve "A" Circuit Open open circuit signal voltage > 2.74...3.26; <= 4.70...5.40 [V] actuator duty cycle commanded off 2...80 % 1.0 [s] continuous 2 DCY
  • EVAP Canister Purge Regulator Valve 1 -N80-
  • Fuel Tank Leak Detection Control Module -J909-
            battery voltage > 8.90 [V]      
            ECM pre-drive not detected        
            ECM post drive not detected        
Evaporative Emission (EVAP) Canister Purge Valve P0458 - EVAP System Purge Control Valve "A" Circuit Low circuit low signal voltage <= 2.74...3.26 [V] actuator duty cycle commanded off 2...80 % 1.0 [s] continuous 2 DCY
  • EVAP Canister Purge Regulator Valve 1 -N80-
            battery voltage > 8.90 [V]      
            ECM pre-drive not detected        
            ECM post drive not detected        
Evaporative Emission (EVAP) Fuel Tank Pressure Sensor P0452 - EVAP System Pressure Sensor/Switch "A" Circuit Low out of range low filtered pressure < -6.00 [kPa] vehicle speed 10...70 [km/h] 4.0 [s] continuous 2 DCY
  • Fuel Tank Leak Detection Control Module -J909-
            BARO AAT time since engine start in preceding dcy fuel level not calibrated >= -20 > 4.0 not calibrated [kPa] [°C] [s] [l]      
  P0453 - EVAP System Pressure Sensor/Switch "A" Circuit High out of range high filtered pressure > 10.00 [kPa] vehicle speed 10...70 [km/h] 4.0 [s] continuous 2 DCY
  • Fuel Tank Leak Detection Control Module -J909-
            BARO AAT time since engine start in preceding dcy fuel level not calibrated >= -20 > 4.0 not calibrated [kPa] [°C] [s] [l]      
Evaporative Emission (EVAP) System Vapor Pressure Sensor P0451 - EVAP System Pressure Sensor/Switch "A" Circuit Range/Performance stuck in range difference between max. and min. evaporative system vapor pressure < 0.05 [kPa] vehicle speed time after engine start 10...70 > 300.0 [km/h] [s] 300.0 [s] once / DCY 2 DCY
  • Fuel Tank Leak Detection Control Module -J909-
            BARO > 74.00 [kPa]      
            AAT > -20 [°C]      
            fuel level not calibrated [l]      
            EVAP vent valve ready        
Evaporative Emission (EVAP) System Vapor Pressure Sensor P0450 - EVAP System Pressure Sensor/Switch "A" Circuit offset monitoring out of range high (passive monitoring) evaporative system vapor pressure after tank ventilation (differential pressure sensor) > | 2.00 | [kPa] AAT BARO 4...143 >= 72.00 [°C] [kPa] 100.1 [s] once / DCY 2 DCY
  • Fuel Tank Leak Detection Control Module -J909-
      (active monitoring) evaporative system vapor pressure after tank ventilation (differential pressure sensor) > | 2.00 | [kPa] battery voltage difference between low-pass filtered and actual BARO vehicle speed (upper range) vehicle speed (lower range) no refueling event fuel level diff. between ECT downstream engine @ start and AAT >= 10.90; <= 16.10 <= | 0.20 |< 105 > 20 not calibrated < 38.00 not calibrated [V] [kPa] [km/h] [km/h] [l] [K] 110.6 [s] once / DCY 2 DCY  
            propulsion off time previous dcy >= 21600.0 [s]      
            conditions optional          

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
            differential evaporative system < 2.00 [kPa]      
vapor pressure @ start    
time after engine start < 120.0 [s]
EVAP vent valve commanded >= 8.0 [s]
on for cumulative    
within time 100.0 [s]
difference between low-pass <= | 0.10 | [kPa]
filtered and actual differential    
evaporative system vapor    
pressure    
or    
conditions optional    
EVAP vent valve continuously 7.0 [s]
commanded on for    
within time 100.0 [s]
case 1: (passive monitoring)    
change in differential >= | 1.00 | [kPa]
evaporative system vapor    
pressure since start of pressure    
reduction    
EVAP vent valve ready  
case 2: (active monitoring)    
change in differential < | 1.00 | [kPa]
evaporative system vapor    
pressure since start of pressure    
reduction    
time since engine start > 600.0 [s]
at least one leak detection preceding  
monitor during engine off    
ratio of actual EVAP pump < 1.50 [-]
current difference between    
reference measurement and idle    
to last EVAP pump current    
difference at leak detection    
during engine off    
evap leak detection pump ready  
ECT not calibrated [°C]
difference between BARO and not calibrated [kPa]
MAP    
differential evaporative system < -3.50 [kPa]
vapor pressure    
or    
integrated EVAP purge mass > 8.0 [g]
evap purge adaptation < 5.00 [-]
change in differential < 0.30 [kPa/s]
evaporative system vapor    
pressure when EVAP vent valve    
closed    
within time >= 1.8 [s]
integrated EVAP purge mass > 8.0 [g]
after monitoring break    
time after monitoring break >= 300.0 [s]
EVAP vent valve ready  
Evaporative Emission (EVAP) Fuel Tank Pressure Sensor P0453 - EVAP System Pressure Sensor/Switch "A" Circuit High out of range high signal voltage > 4.80 [V] time after ignition on >= 0.0 [s] 0.5 [s] continuous 2 DCY
  • Fuel Tank Leak Detection Control Module -J909-
            engine start not detected          
            engine speed 0 [RPM]      
            or          
            previously calculated engine          
            speed is kept          
            engine speed steady state        
            or          
            limp home mode          
            camshaft signal used for engine speed calculation active        
            or          

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
            engine start finished (only >= 120 [RPM]      
HEV)
engine speed
P0452 - EVAP System Pressure Sensor/Switch "A" Circuit Low out of range low signal voltage < 0.20 [V] time after ignition on >= 0.0 [s] 0.5 [s] continuous 2 DCY
  • Fuel Tank Leak Detection Control Module -J909-
          engine start not detected          
          engine speed 0 [RPM]      
          or          
          previously calculated engine          
          speed is kept          
          engine speed steady state        
          or          
          limp home mode          
          camshaft signal used for engine speed calculation active        
          or          
          engine start finished (only          
          HEV)          
          engine speed >= 120 [RPM]      
Secondary Air Injection (AIR) P2440  - AIR System Switching Valve Stuck Open Bank 1 intrusive monitor relative AIR pressure (measured with AIR pressure sensor vs. modeled) vs. relative AIR pressure (measured with AIR pressure sensor vs. modeled while AIR valve closed) > 1.50 [-] ECT downstream engine 4...110 [°C] 0 [s] once / DCY 2 DCY
  • Secondary Air Injection Solenoid Valve -N112-
  • Secondary Air Injection Pump Relay -J299-
  • Secondary Air Injection Pump Motor -V101-
    stuck open in case of two separately     IAT downstream CAC 4...100 [°C]      
      controlled AIR valves                
      relative AIR pressure (measured with AIR pressure sensor vs. modeled) vs. relative AIR pressure (measured with AIR pressure sensor vs. modeled while AIR valve closed) not equipped [-] modeled catalyst temperature MAF for time difference engine load for time BARO < 9007.00...140.00> 0.4-10.0...7.6 > 0.4 > 70 [°C] [kg/h] [s] [%/rev] [s] [kPa]      
            AIR system commanded on        
Secondary Air Injection (AIR) P0491  - AIR System Insufficient Flow Bank 1 flow check during catalyst heating case 1: blockage: relative AIR pressure measured with AIR pressure sensor vs. modeled < 0.10 [-] ECT downstream engine IAT downstream CAC 4...1104...100 [°C] [°C] 0 [s] once / DCY 2 DCY
  • Secondary Air Injection Sensor 1 -G609-
  • Secondary Air Injection Pump Relay -J299-
  • Secondary Air Injection Pump Motor -V101-
  • Secondary Air Injection Solenoid Valve -N112-
      leakage: relative AIR pressure measured with AIR pressure sensor vs. modeled < 0.10 [-] modeled catalyst temperature < 900 [°C]      
      case 2:     MAF 7.00...140.00 [kg/h]      
      blockage: relative AIR pressure measured with AIR pressure sensor vs. modeled < 0.55 [-] for time > 0.4 [s]      
      leakage: relative AIR pressure measured with AIR pressure sensor vs. modeled < 0.55 [-] difference engine load -10.0...7.6 [%/rev]      
      case 3:     for time > 0.4 [s]      
      average pressure difference between absolute value and filtered not calibrated [kPa] BARO AIR system > 70.00 commanded on [kPa]      
Secondary Air Injection (AIR) P0410  - AIR System "A" rationality check directly after diff. of measured AIR pressure > 1.00 [kPa] ECT downstream engine 4...110 [°C] 2.0 [s] 2 DCY
  • Secondary Air Injection Sensor 1 -G609-
  • Secondary Air Injection Pump Relay -J299-
  • Secondary Air Injection Pump Motor -V101-
  • Secondary Air Injection Solenoid Valve -N112-
    catalyst heating before AIR injection vs. AIR           once / DCY    
      pressure after AIR injection     IAT downstream CAC 4...100 [°C]      
            modeled catalyst temperature < 900 [°C]      
            MAF 7.00...140.00 [kg/h]      
            for time > 0.4 [s]      
            difference engine load -10.0...7.6 [%/rev]      
            for time > 0.4 [s]      
            BARO > 70 [kPa]      
            AIR system commanded off        

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
Secondary Air Injection (AIR) Valve P041F - AIR System Switching Valve "A" Circuit Low circuit low signal voltage <= 2.74...3.26 [V] actuator commanded off   0.5 [s] continuous 2 DCY
  • Secondary Air Injection Solenoid Valve -N112-
            engine speed battery voltage AIR valve commanded on (at least once / dcy) >= 0 > 8.90 detected [RPM] [V]      
  P0413 - AIR System Switching Valve "A" Circuit Open open circuit signal voltage > 2.74...3.26; <= 4.70...5.40 [V] actuator commanded off   0.5 [s] continuous 2 DCY
  • Secondary Air Injection Solenoid Valve -N112-
            engine speed battery voltage AIR valve commanded on (at least once / dcy) >= 0 > 8.90 detected [RPM] [V]      
  P044F - AIR System Switching Valve "A" Circuit High circuit high signal current >= 3.0...6.0 [A] actuator commanded on   0.5 [s] continuous 2 DCY
  • Secondary Air Injection Solenoid Valve -N112-
            engine speed battery voltage AIR valve commanded on (at least once / dcy) >= 0 > 8.90 detected [RPM] [V]      
Secondary Air Injection (AIR) Pump Relay P2257 - AIR System Control "A" Circuit Low circuit low signal voltage <= 2.74...3.26 [V] actuator commanded off   0.5 [s] continuous 2 DCY
  • Secondary Air Injection Pump Relay -J299-
  • Secondary Air Injection Pump Motor -V101-
            engine speed battery voltage AIR pump relay commanded on (at least once / dcy) >= 0 > 8.90 detected [RPM] [V]      
  P0418 - AIR System Control "A" Circuit open circuit signal voltage > 2.74...3.26; <= 4.70...5.40 [V] actuator commanded off   0.5 [s] continuous 2 DCY
  • Secondary Air Injection Pump Relay -J299-
  • Secondary Air Injection Pump Motor -V101-
            engine speed battery voltage AIR pump relay commanded on (at least once / dcy) >= 0 > 8.90 detected [RPM] [V]      
  P2258 - AIR System Control "A" Circuit High circuit high signal current >= 0.60...1.40 [A] actuator commanded on   0.5 [s] continuous 2 DCY
  • Secondary Air Injection Pump Relay -J299-
  • Secondary Air Injection Pump Motor -V101-
            engine speed battery voltage AIR pump relay commanded on (at least once / dcy) >= 0 > 8.90 detected [RPM] [V]      
Secondary Air Injection (AIR) Pressure Sensor P2432 - AIR System Air Flow/Pressure Sensor Circuit Low Bank 1 out of range low signal voltage < 0.40 [V]       0.5 [s] continuous 2 DCY
  • Secondary Air Injection Sensor 1 -G609-
P2433 - AIR System Air Flow/Pressure Sensor Circuit High Bank 1 out of range high signal voltage > 4.65 [V]     0.5 [s] continuous 2 DCY
  • Secondary Air Injection Sensor 1 -G609-
P2431 - AIR System Air Flow/Pressure Sensor Circuit Range/Performance Bank 1 rationality check diff. between AIR pressure and BARO < -2.50; > 2.50 [kPa] actuator BARO commanded off valid   0.01 [s] once / DCY 2 DCY
  • Secondary Air Injection Sensor 1 -G609-
Cold Start Monitoring P0562 - System Voltage Low range check low battery voltage < 11.00 [V] AIR active [s] 10.0 [s] continuous 2 DCY
  • Check powers/grounds to the Engine/Motor Control Module -J623-. If ok, then replace the Engine/Motor Control Module -J623-. Refer to appropriate service information.
Secondary Air Injection (AIR)           catalyst heating active      
Supply Voltage           increased battery voltage by AIR demanded      
            above conditions must be        
            fulfilled        
            for time > 0.0      
Cold Start Monitoring P0563 - System Voltage High range check high battery voltage > 15.50 [V] AIR active [s] 10.0 [s] continuous 2 DCY
  • Check powers/grounds to the Engine/Motor Control Module -J623-. If ok, then replace the Engine/Motor Control Module -J623-. Refer to appropriate service information.
Secondary Air Injection (AIR)           catalyst heating active      
Supply Voltage           increase battery voltage by AIR demanded      
            above conditions must be        
            fulfilled        
            for time > 0.0      

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
Fuel System P02CC  - Cylinder 1 Fuel Injector "A" Offset Learning At Min Limit P02D0  - Cylinder 3 Fuel Injector "A" Offset Learning At Min Limit adaptation monitoring adaptive value limit low injection adapted value of cylinder (adaptive feedback control has used up all of the adjustment) < -100 [%] engine speed rail pressure 570...2780> 10.00 [RPM] [MPa] 0 (FTP75: 910.0) [s] multiple 2 DCY
  • Fuel Injectors --.
  • Replace the Engine/Motor Control Module -J623-. Refer to appropriate service information.
  P02D2  - Cylinder 4 Fuel Injector "A" Offset Learning At Min Limit         ECT -48...143 [°C]    
  • Fuel Injectors --.
  • Replace the Engine/Motor Control Module -J623-. Refer to appropriate service information.
  P02CE  - Cylinder 2 Fuel Injector "A" Offset Learning At Min Limit         for time > 0.0 [s]    
  • Fuel Injectors --.
  • Replace the Engine/Motor Control Module -J623-. Refer to appropriate service information.
            cylinder deactivation (CD) not active        
            engine not calibrated        
  P02CD  - Cylinder 1 Fuel Injector "A" Offset Learning At Max Limit P02D1  - Cylinder 3 Fuel Injector "A" Offset Learning At Max Limit adaptation monitoring adaptive value limit high injection adapted value of cylinder (adaptive feedback control has used up all of the adjustment) >= 100 [%] engine speed rail pressure 570...2780> 10.00 [RPM] [MPa] 0 (FTP75: 877.0) [s] multiple 2 DCY
  • Fuel Injectors --.
  • Replace the Engine/Motor Control Module -J623-. Refer to appropriate service information.
  P02D3  - Cylinder 4 Fuel Injector "A" Offset Learning At Max Limit         ECT -48...143 [°C]    
  • Fuel Injectors --.
  • Replace the Engine/Motor Control Module -J623-. Refer to appropriate service information.
  P02CF  - Cylinder 2 Fuel Injector "A" Offset Learning At Max Limit         for time > 0.0 [s]    
  • Fuel Injectors --.
  • Replace the Engine/Motor Control Module -J623-. Refer to appropriate service information.
            cylinder deactivation (CD) not active        
            engine not calibrated        
Fuel System P268A  - Fuel Injector Calibration Not Learned/Programmed functional check ratio not plausible fuel rail pressure drops to all pressure drops > 0.99 [-] engine speed 570...2780 [RPM] 0 (FTP75: 706.0) [s] continuous 2 DCY
  • Replace the Engine/Motor Control Module -J623-. Refer to appropriate service information.
      or     rail pressure 10.00...35.00 [MPa]      
      ratio not plausible fuel rail pressure value to all fuel rail pressure values > 0.99 [-] injection time ECT downstream engine for time > 0-48...143> 0.0 [ms] [°C] [s]      
            cylinder deactivation (CD) not active        
            engine not calibrated        
Fuel System P219C  - Cylinder 1 Air-Fuel Ratio Imbalance intrusive monitor individual cylinder fuel correction > 1.13 [-] general:     20 (does not run in FTP) [s] 2 DCY
  • Check the spark plugs visually for signs of fouling.
  • Check the intake system visually for leaks (false air).
  • Check the fuel pressure and delivery quantity.
  • Fuel Injectors --
  • Ignition Coils --
      based on measured enleanment           once / DCY    
      for dedicated engine roughness                
      increase                
  P219E  - Cylinder 3 Air-Fuel Ratio Imbalance A/F cylinder imbalance: out of or     camshaft adjustment not calibrated      
  • Check the spark plugs visually for signs of fouling.
  • Check the intake system visually for leaks (false air).
  • Check the fuel pressure and delivery quantity.
  • Fuel Injectors --
  • Ignition Coils --
  P219F  - Cylinder 4 Air-Fuel Ratio Imbalance range high counter for adaptation abort (due > 10.00 [-] crankshaft adaptation not calibrated      
  • Check the spark plugs visually for signs of fouling.
  • Check the intake system visually for leaks (false air).
  • Check the fuel pressure and delivery quantity.
  • Fuel Injectors --
  • Ignition Coils --
  P219D  - Cylinder 2 Air-Fuel Ratio Imbalance   to misfire)     rough road not detected      
  • Check the spark plugs visually for signs of fouling.
  • Check the intake system visually for leaks (false air).
  • Check the fuel pressure and delivery quantity.
  • Fuel Injectors --
  • Ignition Coils --
            engine roughness signal valid        
            engine speed 1360...2720 [RPM]      
            engine load 39.75...99.75 [%]      
            selected gear >= 7.00 [-]      
            BARO > 0.00 [kPa]      
            AAT > -48 [°C]      
            ECT downstream engine 54...3004 [°C]      
            modeled catalyst temperature 450...850 [°C]      
            electrical check of O2S front completed        
            electrical check of O2S rear completed        
            lambda control closed loop        
            canister load not calibrated [-]      
            lambda set value not calibrated [-]      
            catalyst heating not active        
            ratio fuel mass from EVAP purge < 0.30 [-]      
            system to fuel mass through          
            injectors          
            integrated air mass >= 2.50...4.50 [kg]      
            misfire on currently lean shifted not detected        
            cylinder          
            scavenging rate < 16.00 [-]      
Fuel System P219C - Cylinder 1 Air-Fuel Ratio Imbalance intrusive monitor individual cylinder fuel correction based on measured enleanment for dedicated engine roughness increase < 0.86 [-] general:     20 (does not run in FTP) [s] once / DCY 2 DCY
  • Check the spark plugs visually for signs of fouling.
  • Check the intake system visually for leaks (false air).
  • Check the fuel pressure and delivery quantity.
  • Fuel Injectors --
  • Ignition Coils --
  P219E - Cylinder 3 Air-Fuel Ratio Imbalance P219F - Cylinder 4 Air-Fuel Ratio Imbalance A/F cylinder imbalance: out of range low       camshaft adjustment crankshaft adaptation not calibrated not calibrated      
  • Check the spark plugs visually for signs of fouling.
  • Check the intake system visually for leaks (false air).
  • Check the fuel pressure and delivery quantity.
  • Fuel Injectors --
  • Ignition Coils --
  P219D - Cylinder 2 Air-Fuel Ratio Imbalance         rough road not detected      
  • Check the spark plugs visually for signs of fouling.
  • Check the intake system visually for leaks (false air).
  • Check the fuel pressure and delivery quantity.
  • Fuel Injectors --
  • Ignition Coils --
            engine roughness signal valid        
            engine speed 1360...2720 [RPM]      
            engine load 39.75...99.75 [%]      
            selected gear >= 7.00 [-]      
            BARO > 0.00 [kPa]      

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
            AAT > -48 [°C]      
ECT downstream engine 54...3004 [°C]
modeled catalyst temperature 450...850 [°C]
electrical check of O2S front completed  
electrical check of O2S rear completed  
lambda control closed loop  
canister load not calibrated [-]
lambda set value not calibrated [-]
catalyst heating not active  
ratio fuel mass from EVAP purge < 0.30 [-]
system to fuel mass through    
injectors    
integrated air mass >= 2.50...4.50 [kg]
misfire on currently lean shifted not detected  
cylinder    
scavenging rate < 16.00 [-]
Fuel System P2187 - System Too Lean at Idle Bank 1 Direct Fuel Injection adaptive value > 5.02 [%] general:     0 (FTP75: 387.0) [s] 2 DCY
  • Check the vacuum lines visually for leaks.
  • Check the intake system visually for leaks (false air).
  • Check the fuel pressure and delivery quantity.
  • Fuel Pressure Sensor -G247-
  • Fuel Injectors --.
  • Oxygen Sensor 1 Before Catalytic Converter -GX10-
  • Fuel Delivery Unit -GX1-
  • Intake Manifold Sensor -GX9-
  • Fuel Pressure Regulator Valve -N276-
                  continuous    
    system too lean @ idle       number of injections after engine > 150.00 [-]      
            start          
            engine speed 520...1200 [RPM]      
            engine load 10...52 [%]      
            IAT downstream CAC < 85 [°C]      
            part load adaptation completed        
            lambda control closed loop        
            lambda set point 0.93...1.06 [-]      
            evap purge valve closed        
            high PCV purge load due to oil not detected        
            dilution          
            delay time for changing mode not calibrated [s]      
            from DFI to CNG or reverse          
            and          
            case 1:          
            integrated air mass <= 0.00 [kg]      
            ECT downstream engine > 47 [°C]      
            or          
            case 2:          
            integrated air mass > 0.00 [kg]      
            minimum of:          
            ECT downstream engine > 47 [°C]      
            or          
            AAT > 55 [°C]      
            additional conditions:          
            no additional conditions          
            calibrated          
  P2188 - System Too Rich at Idle Bank 1 Direct Fuel Injection adaptive value < -6.00 [%] general:     0 (FTP75: 566.0) [s] 2 DCY
  • Check the fuel pressure and delivery quantity.
  • Fuel Injectors --.
  • Oxygen Sensor 1 Before Catalytic Converter -GX10-
  • Fuel Delivery Unit -GX1-
  • Intake Manifold Sensor -GX9-
  • Fuel Pressure Regulator Valve -N276-
  • EVAP Canister Purge Regulator Valve 1 -N80-
                  continuous    
    system too rich @ idle       number of injections after engine > 150.00 [-]      
            start          
            engine speed 520...1200 [RPM]      
            engine load 10...52 [%]      
            IAT downstream CAC < 85 [°C]      
            part load adaptation completed        
            lambda control closed loop        
            lambda setpoint 0.93...1.06 [-]      
            evap purge valve closed        
            high PCV purge load due to oil not detected        
            dilution          
            delay time for changing mode not calibrated [s]      
            from DFI to CNG or reverse          
            and          
            case 1:          

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
            integrated air mass <= 0.00 [kg]      
ECT downstream engine > 47 [°C]
or    
case 2:    
integrated air mass > 0.00 [kg]
minimum of:    
ECT downstream engine > 47 [°C]
or    
AAT > 55 [°C]
additional conditions:    
no additional conditions    
calibrated    
Fuel System P2177 - System Too Lean Off Idle Bank 1 Direct Fuel Injection adaptive value > 26.00 [%] general:     0 (FTP75: 455.0) [s] 2 DCY
  • Check the vacuum lines visually for leaks.
  • Check the intake system visually for leaks (false air).
  • Check the fuel pressure and delivery quantity.
  • Fuel Injectors --.
  • Oxygen Sensor 1 Before Catalytic Converter -GX10-
  • Fuel Delivery Unit -GX1-
  • Intake Manifold Sensor -GX9-
  • Fuel Pressure Regulator Valve -N276-
                  continuous    
    system too lean @ part load       number of injections after engine > 150.00 [-]      
            start          
            engine speed 1000...6000 [RPM]      
            engine load 40...275 [%]      
            IAT downstream CAC < 85 [°C]      
            lambda control closed loop        
            lambda setpoint 0.93...1.06 [-]      
            evap purge valve closed        
            high PCV purge load due to oil not detected        
            dilution          
            delay time for changing mode not calibrated [s]      
            from DFI to CNG or reverse          
            and          
            case 1:          
            integrated air mass <= 0.00 [kg]      
            ECT downstream engine > 47 [°C]      
            or          
            case 2:          
            integrated air mass > 0.00 [kg]      
            minimum of:          
            ECT downstream engine > 47 [°C]      
            or          
            AAT > 55 [°C]      
            additional conditions:          
            no additional conditions          
            calibrated          
  P2178 - System Too Rich Off Idle Bank 1 Direct Fuel Injection adaptive value < -20.00 [%] general:     0 (FTP75: 200.0) [s] 2 DCY
  • Check the fuel pressure and delivery quantity.
  • Fuel Injectors --.
  • Oxygen Sensor 1 Before Catalytic Converter -GX10-
  • Fuel Delivery Unit -GX1-
  • Intake Manifold Sensor -GX9-
  • Fuel Pressure Regulator Valve -N276-
                  continuous    
    system too rich @ part load       number of injections after engine > 150.00 [-]      
            start          
            engine speed 1000...6000 [RPM]      
            engine load 40...275 [%]      
            IAT downstream CAC < 85 [°C]      
            lambda control closed loop        
            lambda setpoint 0.93...1.06 [-]      
            evap purge valve closed        
            high PCV purge load due to oil not detected        
            dilution          
            delay time for changing mode not calibrated [s]      
            from DFI to CNG or reverse          
            and          
            case 1:          
            integrated air mass <= 0.00 [kg]      
            ECT downstream engine > 47 [°C]      
            or          
            case 2:          
            integrated air mass > 0.00 [kg]      
            minimum of:          

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
            ECT downstream engine or AAT additional conditions: no additional conditions calibrated > 47> 55 [°C][°C]      
Fuel System P0171 - System Too Lean Bank 1 system too lean low pass filtered lambda controller output > 23.00 [%] general:     50.0 [s] continuous 2 DCY
  • Check the vacuum lines visually for leaks.
  • Check the intake system visually for leaks (false air).
  • Check the fuel pressure and delivery quantity.
  • Fuel Pressure Sensor -G247-
  • Fuel Injectors --.
  • Oxygen Sensor 1 After Catalytic Converter -GX7-
  • Oxygen Sensor 1 Before Catalytic Converter -GX10-
  • Fuel Delivery Unit -GX1-
      for time > 40.0 [s] number of injections after engine start >= 150.00 [-]      
            ECT down stream engine >= 55 [°C]      
            lambda control closed loop        
            and          
            high PCV purge load due to oil dilution not detected        
            MAF from brake booster to manifold not calibrated        
            and          
            case 1:          
            evap purge not active        
            case 2:          
            integrated EVAP purge mass >= 2.0 [g]      
            case 3:          
            evap purge controller limitation >= 0.75 [-]      
            evap purge flow <= 0.10 [kg/h]      
  P0172 - System Too Rich Bank 1 system too rich low pass filtered lambda controller output < -23.00 [%] general:     50.0 [s] continuous 2 DCY
  • Check the fuel pressure and delivery quantity.
  • Fuel Pressure Sensor -G247-
  • Fuel Injectors --.
  • Oxygen Sensor 1 Before Catalytic Converter -GX10-
  • Fuel Delivery Unit -GX1-
  • Intake Manifold Sensor -GX9-
  • EVAP Canister Purge Regulator Valve 1 -N80-
      for time > 40.0 [s] number of injections after engine start >= 150.00 [-]      
            ECT downstream engine >= 55 [°C]      
            lambda control closed loop        
            high PCV purge load due to oil dilution not detected        
            MAF from brake booster to manifold not calibrated        
            and          
            case 1:          
            evap purge not active        
            case 2:          
            integrated EVAP purge mass >= 2.0 [g]      
            case 3:          
            evap purge controller limitation >= 0.75 [-]      
            evap purge flow <= 0.10 [kg/h]      
Fuel System P2097 - Post Catalyst Fuel Trim System Too Rich Bank 1 out of range high case 1: general conditions     condition for lambda split        
  • Check the fuel pressure and delivery quantity.
  • Oxygen Sensor 1 After Catalytic Converter -GX7-
  • Check the Three Way Catalytic Converter (TWC).
            operation          
      adapted I-part of 2nd lambda control loop (O2S front fuel trim) > 0.040 [-] catalyst heating not calibrated   10.0 [s] continuous 2 DCY  
      adapted I-part of 2nd lambda control loop (O2S front offset) <= 0.07 [-] case 1: general conditions          
      case 2: pending fault fuel trim monitor from previous DCY     decrease of adapted I-part of 2nd lambda control loop between previous and actual DCY < 0.00 [-]      
      adapted I-part of 2nd lambda control loop (O2S front offset) > 0.07 [-] if no pending fault (offset or fuel trim monitor) from          
            previous DCY then          
            O2S rear Control Loop (i-part, referenced) active        
            for time >= 10.0 [s]      
            O2S front offset adaptation (referenced), final conditions: heal debounce fulfilled        

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
            else pending fault (offset or          
fuel trim monitor) from    
previous DCY    
O2S rear Control Loop (i-part, referenced) active  
for time >= 10.0 [s]
O2S front offset adaptation (referenced), final conditions: fault debounce fulfilled  
case 2: pending fault fuel trim    
monitor from previous DCY    
O2S rear Control Loop (i-part, referenced) active  
for time >= 10.0 [s]
O2S front offset adaptation (referenced), final conditions: fault debounce fulfilled  
additional conditions: pending    
fault fuel trim and O2S front    
offset monitor from previous    
DCY    
O2S rear Control Loop (i-part, referenced) active  
for time >= 10.0 [s]
additional conditions: soot    
mass conditions    
no additional conditions calibrated    
P2096 - Post Catalyst Fuel Trim System Too Lean Bank 1 out of range low case 1: general conditions     condition for lambda split        
  • Check the fuel pressure and delivery quantity.
  • Oxygen Sensor 1 After Catalytic Converter -GX7-
  • Check the Three Way Catalytic Converter (TWC).
          operation          
    adapted I-part of 2nd lambda control loop (O2S front fuel trim) < -0.040 [-] catalyst heating not calibrated   10.0 [s] continuous 2 DCY  
    adapted I-part of 2nd lambda control loop (O2S front offset) >= -0.07 [-] case 1: general conditions          
    case 2: pending fault fuel trim monitor from previous DCY     increase of adapted I-part of 2nd lambda control loop between previous and actual DCY < 0.00 [-]      
    adapted I-part of 2nd lambda control loop (O2S front offset) < -0.07 [-] if no pending fault (offset or fuel trim monitor) from          
          previous DCY then          
          O2S rear Control Loop (i-part, referenced) active        
          for time >= 10.0 [s]      
          O2S front offset adaptation (referenced), final conditions: heal debounce fulfilled        
          else pending fault (offset or          
          fuel trim monitor) from          
          previous DCY          
          O2S rear Control Loop (i-part, referenced) active        
          for time >= 10.0 [s]      
          O2S front offset adaptation (referenced), final conditions: fault debounce fulfilled        
          case 2: pending fault fuel trim          
          monitor from previous DCY          
          O2S rear Control Loop (i-part, referenced) active        
          for time >= 10.0 [s]      

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
            O2S front offset adaptation (referenced), final conditions: fault debounce fulfilled        
additional conditions: pending    
fault fuel trim and O2S front    
offset monitor from previous    
DCY    
O2S rear Control Loop (i-part, referenced) active  
for time >= 10.0 [s]
additional conditions: soot    
mass conditions    
no additional conditions calibrated    
Fuel System P30C0 - Poor Fuel Quality functional check firing angle offset depending on poor fuel quality <= -18.00 [°CRK] knock control engine speed fuel cut off relative engine load active> 400 not active>= 65.30 [RPM] [%] 12.0 [s] continuous 2 DCY
  • Check for contaminated/aged fuel or possible high concentration of alcohol in fuel (above 15%). Poor quality fuel will also increase consumption. Replace with fresh fuel if believed to be contaminated.
  • Replace the Engine/Motor Control Module -J623-. Refer to appropriate service information.
Fuel Pump Control (FPC) P0148 - Fuel Delivery Error functional check - rail pressure rise @ engine start rail pressure rise @ start low pressure start not detected detected   ECT rail pressure control high pressure start rail pressure before start > -36; <= 35 closed loop commanded on< 3.00 [°C] [MPa] 5.0 [s] once / DCY 2 DCY
  • Check the fuel pressure and delivery quantity.
  • Fuel Pressure Sensor -G247-
  • Fuel Pressure Regulator Valve -N276-
  • Fuel Delivery Unit -GX1-
Fuel Pump Control (FPC) P0148 - Fuel Delivery Error functional check rail pressure @ start high pressure start engine < 12.50 aborted cranking [MPa] ECT rail pressure control high pressure start rail pressure before start > -36; < 35 closed loop commanded on< 3.00 [°C] [MPa] 3.0 [s] once / DCY 2 DCY
  • Check the fuel pressure and delivery quantity.
  • Fuel Pressure Sensor -G247-
  • Fuel Pressure Regulator Valve -N276-
  • Fuel Delivery Unit -GX1-
Fuel Pump Control (FPC) P0634 - Control Module Internal Temperature "A" Too High over-temperature power stage power stage temperature >= 155...165 [°C] actuator battery voltage commanded on 8.80...16.20 [V] 1.0 [s] continuous 2 DCY
  • Fuel Delivery Unit -GX1-
Fuel Pump Control (FPC) P025C - Fuel Pump Module "A" Control Circuit Low circuit low signal voltage <= 2.74...3.26 [V] actuator battery voltage commanded off 8.80...16.20 [V] 1.0 [s] continuous 2 DCY
  • Fuel Delivery Unit -GX1-
P025A - Fuel Pump Module "A" Control Circuit/Open open circuit signal voltage > 2.74...3.26; <= 4.70...5.40 [V] actuator battery voltage commanded off 8.80...16.20 [V] 1.0 [s] continuous 2 DCY
  • Fuel Delivery Unit -GX1-
P025D - Fuel Pump Module "A" Control Circuit High circuit high signal current >= 0.60...1.40 [A] actuator battery voltage commanded on 8.80...16.20 [V] 1.0 [s] continuous 2 DCY
  • Fuel Delivery Unit -GX1-
Fuel Injector P0201 - Cylinder 1 Injector "A" Circuit circuit low (low side) voltage @ low side pin < 3.50 [V] general condition     3.00 [events] 2 DCY
  • Fuel Injectors --.
                  continuous    
  P0203 - Cylinder 3 Injector "A" Circuit         battery voltage 9.00...16.00 [V]    
  • Fuel Injectors --.
  P0204 - Cylinder 4 Injector "A" Circuit         step 1: conditions @ actuator        
  • Fuel Injectors --.
            commanded off          
  P0202 - Cylinder 2 Injector "A" Circuit         voltage @ high side pin < 2.0 [V]    
  • Fuel Injectors --.
            voltage @ low side pin < 1.5 [V]      
            step 2: conditions @ fault          
            decision          
            actuator commanded on        
  P0201 - Cylinder 1 Injector "A" Circuit circuit low (high side) voltage @ low side pin >= 3.50 [V] general condition     3.00 [events] 2 DCY
  • Fuel Injectors --.
                  continuous    
  P0203 - Cylinder 3 Injector "A" Circuit         battery voltage 9.00...16.00 [V]    
  • Fuel Injectors --.
  P0204 - Cylinder 4 Injector "A" Circuit         step 1: conditions @ actuator        
  • Fuel Injectors --.
            commanded off          
  P0202 - Cylinder 2 Injector "A" Circuit         voltage @ high side pin < 2.0 [V]    
  • Fuel Injectors --.
            voltage @ low side pin < 1.5 [V]      
            step 2: conditions @ fault          
            decision          
            actuator commanded on        

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
  P0201 - Cylinder 1 Injector "A" Circuit open circuit voltage @ high side pin > 2.00 [V] actuator commanded off   3.00 [events] continuous 2 DCY
  • Fuel Injectors --.
P0203 - Cylinder 3 Injector "A" Circuit   voltage @ low side pin < 1.50 [V] battery voltage 9.00...16.00 [V]    
  • Fuel Injectors --.
P0204 - Cylinder 4 Injector "A" Circuit                  
  • Fuel Injectors --.
P0202 - Cylinder 2 Injector "A" Circuit                  
  • Fuel Injectors --.
P0201 - Cylinder 1 Injector "A" Circuit circuit high (low side) current @ low side path > 2.35 [A] general condition     3.00 [events] continuous 2 DCY
  • Fuel Injectors --.
P0203 - Cylinder 3 Injector "A" Circuit   within time 14.5 [us] battery voltage 9.00...16.00 [V]    
  • Fuel Injectors --.
P0204 - Cylinder 4 Injector "A" Circuit         step 1: conditions @ actuator        
  • Fuel Injectors --.
          commanded off          
P0202 - Cylinder 2 Injector "A" Circuit         voltage @ high side pin > (Ubatt - 1.5) [V]    
  • Fuel Injectors --.
          voltage @ low side pin > 1.5 [V]      
          step 2: conditions @ fault          
          decision          
          actuator commanded on        
P0201 - Cylinder 1 Injector "A" Circuit circuit high (high side) current @ low side path <= 2.35 [A] general condition     3.00 [events] continuous 2 DCY
  • Fuel Injectors --.
P0203 - Cylinder 3 Injector "A" Circuit   within time 14.5 [ A μs] battery voltage 9.00...16.00 [V]    
  • Fuel Injectors --.
P0204 - Cylinder 4 Injector "A" Circuit         step 1: conditions @ actuator        
  • Fuel Injectors --.
          commanded off          
P0202 - Cylinder 2 Injector "A" Circuit         voltage @ high side pin > (Ubatt - 1.5) [V]    
  • Fuel Injectors --.
          voltage @ low side pin > 1.5 [V]      
          step 2: conditions @ fault          
          decision          
          actuator commanded on        
P0201 - Cylinder 1 Injector "A" Circuit short between high side and low side current @ low side path > 2.35 [A] general condition     3.00 [events] continuous 2 DCY
  • Fuel Injectors --.
P0203 - Cylinder 3 Injector "A" Circuit   within time 14.5 [ A μs] battery voltage 9.00...16.00 [V]    
  • Fuel Injectors --.
P0204 - Cylinder 4 Injector "A" Circuit         step 1: conditions @ fault        
  • Fuel Injectors --.
          suspicion          
P0202 - Cylinder 2 Injector "A" Circuit         actuator commanded on      
  • Fuel Injectors --.
          actual current > 15.00 [A]      
          for time < 11...14 [us]      
          step 2: conditions after          
          actuator commanded off          
          voltage @ high side pin < (Ubatt - 1.5) [V]      
          voltage @ low side pin > 1.5 [V]      
          step 3: conditions @ fault          
          decision          
          actuator commanded on        
Fuel Volume Regulator Control P0087 - Fuel Rail/System Pressure - Too Low Bank 1 functional check: stuck open pressure control activity > 6.00 [MPa] engine speed 1200...4000 [RPM] 5.0 [s] multiple 2 DCY
  • Check the fuel pressure and delivery quantity.
  • Fuel Pressure Sensor -G247-
  • Fuel Pressure Regulator Valve -N276-
  • Fuel Delivery Unit -GX1-
      and     or          
      fuel trim activity 0.85...1.30 [-] engine speed not calibrated [RPM]      
      and     engine load 40.01...1535.98 [%]      
      difference between target pressure vs. actual pressure > 6.00 [MPa] evap purge adaptation ECT downstream engine < 20.00>= 50 [-][°C]      
            IAT downstream CAC < 85 [°C]      
            DFI mode active        
            fuel cut off not active        
            lambda control closed loop        
Fuel Volume Regulator Control P0088 - Fuel Rail/System Pressure - Too High Bank 1 functional check: stuck close pressure control activity < -6.00 [MPa] engine speed 600...1000 [RPM] 5.0 [s] multiple 2 DCY
  • Check the fuel pressure and delivery quantity.
  • Fuel Pressure Sensor -G247-
  • Fuel Pressure Regulator Valve -N276-
      and     or          
      fuel trim activity 0.82...1.22 [-] engine speed not calibrated [RPM]      
      and     engine load 10.01...39.98 [%]      
      difference between target pressure vs. actual pressure < -6.00 [MPa] evap purge adaptation ECT downstream engine < 20.00>= 50 [-][°C]      
            IAT downstream CAC < 85 [°C]      
            DFI mode active        
            lambda control closed loop        
            fuel cut off not active        
Fuel Volume Regulator Control P0091 - Fuel Pressure Regulator "A" Control Circuit Low circuit low (low side) voltage @ low side pin < 3.50 [V] general condition     3 [events] continuous 2 DCY
  • Fuel Pressure Regulator Valve -N276-
  • Fuel Delivery Unit -GX1-

Table continues below.

Component / System Fault Code Monitor Strategy Description Malfunction Criteria Threshold Value Secondary Parameters Enable Condition Monitoring Time Length MIL Illum Component Diagnostic
            battery voltage 8.00...18.00 [V]      
step 1: conditions @ actuator    
commanded off    
voltage @ high side pin < 2.0 [V]
voltage @ low side pin < 1.5 [V]
step 2: conditions @ fault    
decision    
actuator commanded on  
P0091 - Fuel Pressure Regulator "A" Control Circuit Low circuit high (low side) current @ low side path > 2.35 [A] general condition     3 [events] continuous 2 DCY
  • Fuel Pressure Regulator Valve -N276-
  • Fuel Delivery Unit -GX1-
    within time 14 [us] battery voltage 8.00...18.00 [V]      
          step 1: conditions @ actuator          
          commanded off          
          voltage @ high side pin > (Ubatt - 1.5) [V]      
          voltage @ low side pin > 1.5 [V]      
          step 2: conditions @ fault          
          decision          
          actuator commanded on        
P0090 - Fuel Pressure Regulator "A" Control Circuit/Open open circuit voltage @ high side pin > 2.00 [V] actuator commanded off [V] 3 [events] continuous 2 DCY
  • Fuel Pressure Regulator Valve -N276-
  • Fuel Delivery Unit -GX1-
    voltage @ low side pin < 1.50 [V] battery voltage 8.00...18.00      
P0092 - Fuel Pressure Regulator "A" Control Circuit High circuit low (high side) voltage @ low side pin >= 3.50 [V] general condition     3 [events] continuous 2 DCY
  • Fuel Pressure Regulator Valve -N276-
  • Fuel Delivery Unit -GX1-
          battery voltage 8.00...18.00 [V]      
          step 1: conditions @ actuator          
          commanded off          
          voltage @ high side pin < 2.0 [V]      
          voltage @ low side pin < 1.5 [V]      
          step 2: conditions @ fault          
          decision          
          actuator commanded on        
P0092 - Fuel Pressure Regulator "A" Control Circuit High circuit high (high side) current @ low side path <= 2.35 [A] general condition     3 [events] continuous 2 DCY
  • Fuel Pressure Regulator Valve -N276-
  • Fuel Delivery Unit -GX1-
    within time 14 [us] battery voltage 8.00...18.00 [V]      
          conditions @ actuator          
          commanded off          
          voltage @ high side pin > (Ubatt - 1.5) [V]      
          voltage @ low side pin > 1.5 [V]      
          conditions @ fault decision          
          actuator commanded on        
P0090 - Fuel Pressure Regulator "A" Control Circuit/Open short between high side and lowside current @ low side path > 2.35 [A] general condition     3 [events] continuous 2 DCY
  • Fuel Pressure Regulator Valve -N276-
  • Fuel Delivery Unit -GX1-
    within time 14 [us] battery voltage 8.00...18.00 [V]      
          step 1: conditions @ fault          
          suspicion          
          actuator commanded on        
          actual current > 4.92 [A]      
          for time > 50...55 [us]      
          step 2: conditions after          
          actuator commanded off          
          voltage @ high side pin < (Ubatt - 1.5) [V]      
          voltage @ low side pin > 1.5 [V]      
          step 3: conditions @ fault          
          decision          
          actuator commanded on        
Fuel Volume Regulator HP Control P0088 - Fuel Rail/System Pressure - Too High Bank 1 functional check filtered diff. target pressure vs. actual pressure < -2.50 [MPa] time after engine start > 5.0 [s] 5.5 [s] multiple 2 DCY
  • Check the fuel pressure and delivery quantity.
  • Fuel Pressure Sensor -G247-
  • Fuel Pressure Regulator Valve -N276-
            time after fuel cut off fuel cut off catalyst heating fuel volume regulator control relative fuel mass > 1.5 not active not active active 5.02...249.98 [s][%]      
  P0087 - Fuel Rail/System Pressure - Too Low Bank 1 functional check filtered diff. target pressure vs. actual pressure > 4.00 [MPa] time after engine start > 5.0 [s] 4.0 [s] multiple 2 DCY
  • Check the fuel pressure and delivery quantity.
  • Fuel Pressure Sensor -G247-
  • Fuel Pressure Regulator Valve -N276-
  • Fuel Delivery Unit -GX1-
            time after fuel cut off fuel cut off > 1.5 not active [s]      

Table continues, refer to Engine/Motor Control Module --, 2021 MY