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Diagnostic Trouble Code Chart

HINT:

Parameters listed in the chart may not be exactly the same as yours depending on the type of instrument and other factors.

If any DTCs are output during a check mode DTC check, check the circuit for the DTCs listed in the table below. For details of each DTC, refer to the "Refer to" indicated.

SFI SYSTEM 

DIAGNOSTIC TROUBLE CODE CHART

DTC Code Detection Item Trouble Area MIL Memory DTC for Mexico Models Refer to
P0010 Camshaft Position "A" Actuator Circuit (Bank 1)
  • Open or short in camshaft timing Oil Control Valve (OCV) circuit
  • OCV
  • ECM
 Comes on DTC stored Applies  
P0011 Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1)
  • Valve timing
  • Camshaft timing Oil Control Valve (OCV)
  • OCV filter
  • Camshaft timing gear assembly
  • ECM
 Comes on DTC stored Applies  
P0012 Camshaft Position "A" - Timing Over-Retarded (Bank 1)
  • Valve timing
  • Camshaft timing Oil Control Valve (OCV)
  • OCV filter
  • Camshaft timing gear assembly
  • ECM
 Comes on DTC stored Applies  
P0013 Camshaft Position "B" Actuator Circuit / Open (Bank 1)
  • Open or short in camshaft timing oil control valve assembly (for exhaust camshaft) circuit
  • Camshaft timing oil control valve assembly (for exhaust camshaft)
  • ECM
 Comes on DTC stored Applies  
P0014 Camshaft Position "B" - Timing Over-Advanced or System Performance (Bank 1)
  • Valve timing
  • Camshaft timing oil control valve assembly (for exhaust camshaft)
  • Oil control valve filter
  • Camshaft timing gear assembly (for exhaust camshaft)
  • ECM
 Comes on DTC stored Applies  
P0015 Camshaft Position "B" - Timing Over-Retarded (Bank 1)
  • Valve timing
  • Camshaft timing oil control valve assembly (for exhaust camshaft)
  • Oil control valve filter
  • Camshaft timing gear assembly (for exhaust camshaft)
  • ECM
 Comes on DTC stored Applies  
P0016 Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)
  • Mechanical system (timing chain has jumped tooth or chain stretched)
  • Camshaft timing Oil Control Valve (OCV)
  • Camshaft timing gear assembly
  • ECM
 Comes on DTC stored Applies  
P0017 Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor B)
  • Mechanical system (timing chain has jumped tooth or chain stretched)
  • Camshaft timing Oil Control Valve (OCV)
  • Camshaft timing gear assembly
  • ECM
 Comes on DTC stored Applies  
P0031 Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)
  • Open in Air Fuel Ratio (A/F) sensor heater circuit
  • A/F sensor heater (sensor 1)
  • ECM power source circuit
  • ECM
 Comes on DTC stored Applies  
P0032 Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1)
  • Short in Air Fuel Ratio (A/F) sensor heater circuit
  • A/F sensor heater (sensor 1)
  • ECM power source circuit
  • ECM
 Comes on DTC stored Applies  
P0037 Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2)
  • Open in Heated Oxygen (HO2) sensor(sensor 2) heater circuit
  • HO2 sensor (sensor 2) heater
  • ECM power source circuit
  • ECM
 Comes on DTC stored Applies  
P0038 Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2)
  • Short in Heated Oxygen (HO2) sensor (sensor 2) heater circuit
  • HO2 sensor (sensor 2) heater
  • ECM power source circuit
  • ECM
 Comes on DTC stored Applies  
P0101 Mass Air Flow Circuit Range / Performance Problem
  • Mass Air Flow (MAF) meter
  • Air induction system
  • PCV hose connections
 Comes on DTC stored -  
P0102 Mass or Volume Air Flow Circuit Low Input
  • Open or short in Mass Air Flow (MAF) meter circuit
  • MAF meter
  • ECM
 Comes on DTC stored Applies  
P0103 Mass or Volume Air Flow Circuit High Input
  • Open or short in Mass Air Flow (MAF) meter circuit
  • MAF meter
  • ECM
 Comes on DTC stored Applies  
P0111 Intake Air Temperature Sensor Gradient Too High
  • Mass air flow meter
 Comes on DTC stored Applies  
P0112 Intake Air Temperature Circuit Low Input
  • Short in Intake Air Temperature (IAT) sensor circuit
  • IAT sensor (built into mass air flow meter)
  • ECM
 Comes on DTC stored Applies  
P0113 Intake Air Temperature Circuit High Input
  • Open in Intake Air Temperature (IAT) sensor circuit
  • IAT sensor (built into mass air flow meter)
  • ECM
 Comes on DTC stored Applies  
P0115 Engine Coolant Temperature Circuit Malfunction
  • Open or short in Engine Coolant Temperature (ECT) sensor circuit
  • ECT sensor
  • ECM
 Comes on DTC stored Applies  
P0116 Engine Coolant Temperature Circuit Range / Performance Problem
  • Thermostat
  • Engine Coolant Temperature (ECT) sensor
 Comes on DTC stored Applies  
P0117 Engine Coolant Temperature Circuit Low Input
  • Short in Engine Coolant Temperature (ECT) sensor circuit
  • ECT sensor
  • ECM
 Comes on DTC stored Applies  
P0118 Engine Coolant Temperature Circuit High Input
  • Open in Engine Coolant Temperature (ECT) sensor circuit
  • ECT sensor
  • ECM
 Comes on DTC stored Applies  
P011B Engine Coolant Temperature / Intake Air Temperature Correlation
  • Intake Air Temperature (IAT) sensor
  • Engine Coolant Temperature (ECT) sensor
  • ECM
 Comes on DTC stored -  
P0120 Throttle / Pedal Position Sensor / Switch "A" Circuit Malfunction
  • Throttle position sensor (built into throttle body)
  • ECM
 Comes on DTC stored Applies  
P0121 Throttle / Pedal Position Sensor / Switch "A" Circuit Range/Performance Problem
  • Throttle position sensor (built into throttle body)
 Comes on DTC stored Applies  
P0122 Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input
  • Throttle position sensor (built into throttle body)
  • Short in VTA1 circuit
  • Open in VC circuit
  • ECM
 Comes on DTC stored Applies  
P0123 Throttle / Pedal Position Sensor / Switch "A" Circuit High Input
  • Throttle position sensor (built into throttle body)
  • Open in VTA1 circuit
  • Open in E2 circuit
  • Short between VC and VTA1 circuits
  • ECM
 Comes on DTC stored Applies  
P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control
  • Cooling system
  • Engine coolant temperature sensor
  • Thermostat
 Comes on DTC stored Applies  
P0128 Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
  • Thermostat
  • Cooling system
  • Engine coolant temperature sensor
  • ECM
 Comes on DTC stored Applies  
P0136 Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
  • Heated Oxygen (HO2) sensor (sensor 2)
  • Air-Fuel Ratio (A/F)sensor(sensor 1)
  • Gas leak from exhaust system
  • Fuel pressure
  • Fuel injector
  • PCV valve and hose
  • Air induction system
 Comes on DTC stored -  
P0137 Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2)
  • Open or short in Heated Oxygen (HO2) sensor (sensor 2) circuit
  • HO2 sensor (sensor 2)
  • HO2 sensor heater (sensor 2)
  • Air-Fuel Ratio (A/F) sensor(sensor 1)
  • Gas leak from exhaust system
 Comes on DTC stored Applies  
P0138 Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2)
  • Short in Heated Oxygen (HO2) sensor (sensor 2) circuit
  • HO2 sensor (sensor 2)
  • ECM
  • Air-Fuel Ratio (A/F)sensor(sensor 1)
 Comes on DTC stored -  
P0139 Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 2)
  • Short in Heated Oxygen (HO2) sensor(sensor 2) circuit
  • HO2 sensor (sensor 2)
  • ECM
 Comes on DTC stored -  
P0141 Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
  • Open or short in Heated Oxygen (HO2) sensor (sensor 2) heater circuit
  • HO2 sensor (sensor 2) heater
  • ECM power source circuit
  • ECM
 Comes on DTC stored Applies  
P0171 System Too Lean (Bank 1)
  • Air induction system
  • Injector blockage
  • Mass air flow meter
  • Engine coolant temperature sensor
  • Fuel pressure
  • Gas leak from exhaust system
  • Open or short in air fuel ratio sensor (sensor 1) circuit
  • Air fuel ratio sensor(sensor 1)
  • EFI NO. 2 fuse
  • PCV valve and hose
  • PCV hose connections
  • ECM
 Comes on DTC stored Applies  
P0172 System Too Rich (Bank 1)
  • Injector leak or blockage
  • Mass air flow meter
  • Engine coolant temperature sensor
  • Ignition system
  • Fuel pressure
  • Gas leak from exhaust system
  • Open or short in air fuel ratio sensor (sensor 1) circuit
  • Air fuel ratio sensor(sensor 1)
  • EFI NO. 2 fuse
  • ECM
 Comes on DTC stored Applies  
P0220 Throttle / Pedal Position Sensor / Switch "B" Circuit
  • Throttle position sensor (built into throttle body)
  • ECM
 Comes on DTC stored Applies  
P0222 Throttle / Pedal Position Sensor / Switch "B" Circuit Low Input
  • Throttle position sensor (built into throttle body)
  • Short in VTA2 circuit
  • Open in VC circuit
  • ECM
 Comes on DTC stored Applies  
P0223 Throttle / Pedal Position Sensor / Switch "B" Circuit High Input
  • Throttle position sensor (built into throttle body)
  • Open in VTA2 circuit
  • Open in E2 circuit
  • Short between VC and VTA2 circuits
  • ECM
 Comes on DTC stored Applies  
P0300 Random / Multiple Cylinder Misfire Detected
  • Open or short in engine wire harness
  • Connector connection
  • Vacuum hose connections
  • Ignition system
  • Fuel injector
  • Fuel pressure
  • Mass Air Flow (MAF) meter
  • Engine Coolant Temperature (ECT) sensor
  • Compression pressure
  • Valve clearance
  • Valve timing
  • PCV valve and hose
  • PCV hose connections
  • Air induction system
  • ECM
  • Tumble Control Valve (TCV)
 Comes on/ Blinks(1) DTC stored Applies  
P0301 Cylinder 1 Misfire Detected
  • Same as DTC P0300
 Comes on/ Blinks(1) DTC stored Applies  
P0302 Cylinder 2 Misfire Detected
  • Same as DTC P0300
 Comes on/ Blinks(1) DTC stored Applies  
P0303 Cylinder 3 Misfire Detected
  • Same as DTC P0300
 Comes on/ Blinks(1) DTC stored Applies  
P0304 Cylinder 4 Misfire Detected
  • Same as DTC P0300
 Comes on/ Blinks(1) DTC stored Applies  
P0327 Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor)
  • Short in knock sensor circuit
  • Knock sensor
  • ECM
 Comes on DTC stored Applies  
P0328 Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)
  • Open in knock sensor circuit
  • Knock sensor
  • ECM
 Comes on DTC stored Applies  
P0335 Crankshaft Position Sensor "A" Circuit
  • Open or short in Crankshaft Position (CKP) sensor circuit
  • CKP sensor
  • Crankshaft position sensor plate
  • ECM
 Comes on DTC stored Applies  
P0339 Crankshaft Position Sensor "A" Circuit Intermittent
  • Open or short in Crankshaft Position (CKP) sensor circuit
  • CKP sensor
  • Crankshaft position sensor plate
  • ECM
 - DTC stored Applies  
P0340 Camshaft Position Sensor Circuit Malfunction
  • Open or short in camshaft position sensor circuit for intake camshaft
  • Camshaft position sensor for intake camshaft
  • Camshaft timing gear for intake camshaft
  • Timing chain jumped tooth for intake camshaft
  • ECM
 Comes on DTC stored Applies  
P0342 Camshaft Position Sensor "A" Circuit Low Input (Bank 1 or Single Sensor)
  • Open or short in camshaft position sensor circuit for intake camshaft
  • Camshaft position sensor for intake camshaft
  • Camshaft timing gear for intake camshaft
  • Timing chain jumped tooth for intake camshaft
  • ECM
 Comes on DTC stored Applies  
P0343 Camshaft Position Sensor "A" Circuit High Input (Bank 1 or Single Sensor)
  • Open or short in camshaft position sensor circuit for intake camshaft
  • Camshaft position sensor for intake camshaft
  • Camshaft timing gear for intake camshaft
  • Timing chain jumped tooth for intake camshaft
  • ECM
 Comes on DTC stored Applies  
P0351 Ignition Coil "A" Primary / Secondary Circuit
  • Ignition system
  • Open or short in IGF1 or IGT1 circuit between ignition coil and ECM
  • No. 1 ignition coil
  • ECM
 Comes on DTC stored Applies  
P0352 Ignition Coil "B" Primary / Secondary Circuit
  • Ignition system
  • Open or short in IGF1 or IGT2 circuit between ignition coil and ECM
  • No. 2 ignition coil
  • ECM
 Comes on DTC stored Applies  
P0353 Ignition Coil "C" Primary / Secondary Circuit
  • Ignition system
  • Open or short in IGF1 or IGT3 circuit between ignition coil and ECM
  • No. 3 ignition coil
  • ECM
 Comes on DTC stored Applies  
P0354 Ignition Coil "D" Primary / Secondary Circuit
  • Ignition system
  • Open or short in IGF1 or IGT4 circuit between ignition coil and ECM
  • No. 4 ignition coil
  • ECM
 Comes on DTC stored Applies  
P0365 Camshaft Position Sensor "B" Circuit (Bank 1)
  • Open or short in exhaust camshaft position sensor circuit
  • Exhaust camshaft position sensor
  • Camshaft timing gear for exhaust camshaft
  • Timing chain jumped tooth for exhaust camshaft
  • ECM
 Comes on DTC stored Applies  
P0367 Camshaft Position Sensor "B" Circuit Low Input (Bank 1)
  • Open or short in exhaust camshaft position sensor circuit
  • Exhaust camshaft position sensor
  • Camshaft timing gear for exhaust camshaft
  • Timing chain jumped tooth for exhaust camshaft
  • ECM
 Comes on DTC stored Applies  
P0368 Camshaft Position Sensor "B" Circuit High Input (Bank 1)
  • Open or short in exhaust camshaft position sensor circuit
  • Exhaust camshaft position sensor
  • Camshaft timing gear for exhaust camshaft
  • Timing chain jumped tooth for exhaust camshaft
  • ECM
 Comes on DTC stored Applies  
P0420 Catalyst System Efficiency Below Threshold (Bank 1)
  • Gas leak from exhaust system
  • Air fuel ratio sensor(sensor 1)
  • Heated oxygen sensor (sensor 2)
  • Exhaust manifold (three-way catalytic converter)
 Comes on DTC stored Applies  
P043E Evaporative Emission System Leak Detection Reference Orifice Low Flow
  • Canister pump module (reference orifice, leak detection pump, vent valve)
  • Connector/wire harness (canister pump module - ECM)
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored -  
P043F Evaporative Emission System Reference Orifice High Flow
  • Canister pump module (reference orifice, leak detection pump, vent valve)
  • Connector/wire harness (canister pump module - ECM)
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored -  
P0441 Evaporative Emission Control System Incorrect Purge Flow
  • Purge VSV
  • Connector/wire harness (purge VSV - ECM)
  • ECM
  • Canister pump module
  • Leak from EVAP system
  • Leak from EVAP line (purge VSV - intake manifold)
 Comes on DTC stored -  
P0443 Evaporative Emission Control System Purge Control Valve Circuit
  • Open or short in purge VSV circuit
  • Purge VSV
  • ECM
 Comes on DTC stored Applies(2)  
P0451 Evaporative Emission Control System Pressure Sensor Range / Performance
  • Canister pump module
  • Connector/wire harness (canister pump module - ECM)
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored -  
P0452 Evaporative Emission Control System Pressure Sensor / Switch Low Input
  • Canister pump module
  • Connector/wire harness (canister pump module - ECM)
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored Applies  
P0453 Evaporative Emission Control System Pressure Sensor / Switch High Input
  • Canister pump module
  • Connector/wire harness (canister pump module - ECM)
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored Applies  
P0455 Evaporative Emission Control System Leak Detected (Gross Leak)
  • Fuel tank cap (loose)
  • Leak from EVAP line (canister - fuel tank)
  • Leak from EVAP line (purge VSV - canister)
  • Canister pump module
  • Leak from fuel tank
  • Leak from canister
 Comes on DTC stored -  
P0456 Evaporative Emission Control System Leak Detected (Very Small Leak)
  • Fuel tank cap (loose)
  • Leak from EVAP line (canister-fuel tank)
  • Leak from EVAP line (purge VSV - canister)
  • Canister pump module
  • Leak from fuel tank
  • Leak from canister
 Comes on DTC stored -  
P0500 Vehicle Speed Sensor "A"
  • Open or short in speed signal circuit
  • Speedometer circuit (wheel speed sensor, skid control ECU)
  • Combination meter
  • ECM
 Comes on DTC stored Applies  
P0504 Brake Switch "A" / "B" Correlation
  • Short in stop light switch signal circuit
  • STOP fuse
  • IGN fuse
  • Stop light switch
  • ECM
 - DTC stored Applies  
P0505 Idle Control System Malfunction
  • ETCS (Electronic Throttle Control System)
  • Air induction system
  • PCV hose connections
  • ECM
 Comes on DTC stored Applies  
P050A Cold Start Idle Air Control System Performance
  • Throttle body
  • Mass air flow meter
  • PCV system
  • Air cleaner filter element
  • Air induction system
  • VVT system
  • ECM
 Comes on DTC stored -  
P050B Cold Start Ignition Timing Performance
  • Throttle with motor body assembly
  • Mass air flow meter
  • PCV system
  • Air cleaner filter element
  • Air induction system
  • VVT system
  • ECM
 Comes on DTC stored -  
P0560 System Voltage
  • Open in back up power source circuit
  • Battery
  • Battery terminals
  • EFI MAIN fuse
  • ECM
 Comes on DTC stored Applies  
P0604 Random Access Memory (RAM)
  • ECM
 Comes on DTC stored Applies  
P0606 ECM/PCM Processor
  • ECM
 Comes on DTC stored Applies  
P0607 Control Module Performance
  • Exhaust gas leak
  • Heated Oxygen (HO2) sensor
  • ECM
 Comes on DTC stored -  
P060A Internal Control Module Monitoring Processor Performance
  • ECM
 Comes on DTC stored Applies  
P060B Internal Control Module A/D Processing Performance
  • ECM
 Comes on DTC stored Applies  
P060D Internal Control Module Accelerator Pedal Position Performance
  • ECM
 Comes on DTC stored Applies  
P060E Internal Control Module Throttle Position Performance
  • ECM
 Comes on DTC stored Applies  
P0617 Starter Relay Circuit High
  • Park/Neutral Position (PNP) switch or clutch start switch
  • ST relay circuit
  • Ignition switch
  • ECM
 Comes on DTC stored Applies  
P062F EEPROM Error - Permanent DTC
  • ECM
 Comes on DTC stored Applies  
P0630 VIN not Programmed or Mismatch - ECM / PCM
  • ECM
 Comes on DTC stored Applies  
P0657 Actuator Supply Voltage Circuit / Open
  • ECM
 Comes on DTC stored Applies  
P0724 Brake Switch "B" Circuit High
  • Short in stop light switch signal circuit
  • Stop light switch
  • ECM
 Comes on DTC stored Applies  
P101D A/F Sensor Heater Circuit Performance Bank 1 Sensor 1 Stuck ON
  • ECM
 Comes on DTC stored Applies  
P102D O2 Sensor Heater Circuit Performance Bank 1 Sensor 2 Stuck ON
  • ECM
 Comes on DTC stored Applies  
P1607 Cruise Control Input Processor
  • ECM
 Comes on DTC stored Applies  
P2004 Intake Manifold Runner Control Stuck Open (Bank 1)
  • DC motor for TCV circuit
  • DC motor for TCV
  • TCV position sensor
  • TCV
  • ECM
 Comes on DTC stored Applies  
P2006 Intake Manifold Runner Control Stuck Closed (Bank 1)
  • DC motor for TCV circuit
  • DC motor for TCV
  • TCV position sensor
  • TCV
  • ECM
 Comes on DTC stored Applies  
P2009 Intake Manifold Runner Control Circuit Low (Bank 1)
  • Open or short in DC motor for TCV circuit
  • Intake manifold (DC motor for TCV)
  • ECM
 Comes on DTC stored Applies  
P2010 Intake Manifold Runner Control Circuit High (Bank 1)
  • Open or short in DC motor for TCV circuit
  • Intake manifold (DC motor for TCV)
  • ECM
 Comes on DTC stored Applies  
P2014 Intake Manifold Runner Position Sensor / Switch Circuit (Bank 1)
  • Open or short in TCV position sensor circuit
  • TCV position sensor
  • ECM
 Comes on DTC stored Applies  
P2016 Intake Manifold Runner Position Sensor / Switch Circuit Low (Bank 1)
  • Open or short in TCV position sensor circuit
  • TCV position sensor
  • ECM
 Comes on DTC stored Applies  
P2017 Intake Manifold Runner Position Sensor / Switch Circuit High (Bank 1)
  • Open or short in TCV position sensor circuit
  • TCV position sensor
  • ECM
 Comes on DTC stored Applies  
P2102 Throttle Actuator Control Motor Circuit Low
  • Open in throttle actuator circuit
  • Throttle actuator
  • ECM
 Comes on DTC stored Applies  
P2103 Throttle Actuator Control Motor Circuit High
  • Short in throttle actuator circuit
  • Throttle actuator
  • Throttle valve
  • Throttle body
  • ECM
 Comes on DTC stored Applies  
P2111 Throttle Actuator Control System - Stuck Open
  • Throttle actuator
  • Throttle body
  • Throttle valve
  • ECM
 Comes on DTC stored Applies  
P2112 Throttle Actuator Control System - Stuck Closed
  • Throttle actuator
  • Throttle body
  • Throttle valve
  • ECM
 Comes on DTC stored Applies  
P2118 Throttle Actuator Control Motor Current Range / Performance
  • Open in ETCS power source circuit
  • Battery
  • Battery terminals
  • ETCS fuse
  • ECM
 Comes on DTC stored Applies  
P2119 Throttle Actuator Control Throttle Body Range / Performance
  • Electronic Throttle Control System (ETCS)
  • ECM
 Comes on DTC stored Applies  
P2120 Throttle / Pedal Position Sensor / Switch "D" Circuit
  • Accelerator Pedal Position (APP) sensor
  • ECM
 Comes on DTC stored Applies  
P2121 Throttle / Pedal Position Sensor / Switch "D" Circuit Range/ Performance
  • Accelerator Pedal Position (APP) sensor
  • ECM
 Comes on DTC stored Applies  
P2122 Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input
  • Accelerator Pedal Position (APP) sensor
  • Open in VCP1 circuit
  • Open or ground short in VPA circuit
  • ECM
 Comes on DTC stored Applies  
P2123 Throttle / Pedal Position Sensor / Switch "D" Circuit High Input
  • Accelerator Pedal Position (APP) sensor
  • Open in EPA circuit
  • ECM
 Comes on DTC stored Applies  
P2125 Throttle / Pedal Position Sensor / Switch "E" Circuit
  • Accelerator Pedal Position (APP) sensor
  • ECM
 Comes on DTC stored Applies  
P2127 Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input
  • Accelerator Pedal Position (APP) sensor
  • Open in VCP2 circuit
  • Open or ground short in VPA2 circuit
  • ECM
 Comes on DTC stored Applies  
P2128 Throttle / Pedal Position Sensor / Switch "E" Circuit High Input
  • Accelerator Pedal Position (APP) sensor
  • Open in EPA2 circuit
  • ECM
 Comes on DTC stored Applies  
P2135 Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation
  • Short between VTA1 and VTA2 circuits
  • Throttle position sensor (built into throttle body)
  • ECM
 Comes on DTC stored Applies  
P2138 Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
  • Short between VPA and VPA2 circuits
  • Accelerator Pedal Position (APP) sensor
  • ECM
 Comes on DTC stored Applies  
P2195 Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1)
  • Open or short in Air Fuel Ratio (A/F) sensor (sensor 1) circuit
  • A/F sensor (sensor 1)
  • A/F sensor (sensor 1) heater
  • A/F sensor heater circuit
  • Air induction system
  • Fuel pressure
  • Fuel injector
  • ECM
 Comes on DTC stored -  
P2196 Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1)
  • Open or short in Air Fuel Ratio (A/F)sensor(sensor 1) circuit
  • A/F sensor (sensor 1)
  • A/F sensor (sensor 1) heater
  • A/F sensor heater circuit
  • Air induction system
  • Fuel pressure
  • Fuel injector
  • ECM
 Comes on DTC stored -  
P2237 Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1)
  • Open in Air Fuel Ratio (A/F) sensor (sensor 1) circuit
  • A/F sensor (sensor 1)
  • ECM
 Comes on DTC stored Applies  
P2238 Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1)
  • Open or short in Air Fuel Ratio (A/F)sensor(sensor 1) circuit
  • A/F sensor (sensor 1)
  • ECM
 Comes on DTC stored Applies  
P2239 Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1)
  • Open or short in Air Fuel Ratio (A/F)sensor(sensor 1) circuit
  • A/F sensor (sensor 1)
  • ECM
 Comes on DTC stored Applies  
P2252 Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1)
  • Open or short in Air Fuel Ratio (A/F) sensor (sensor 1) circuit
  • A/F sensor (sensor 1)
  • ECM
 Comes on DTC stored Applies  
P2253 Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1)
  • Open or short in Air Fuel Ratio (A/F) sensor(sensor 1) circuit
  • A/F sensor (sensor 1)
  • ECM
 Comes on DTC stored Applies  
P2401 Evaporative Emission Leak Detection Pump Stuck OFF
  • Canister pump module (reference orifice, leak detection pump, vent valve)
  • Connector/wire harness (canister pump module - ECM)
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored -  
P2402 Evaporative Emission Leak Detection Pump Stuck ON
  • Canister pump module (reference orifice, leak detection pump, vent valve)
  • Connector/wire harness (canister pump module - ECM)
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored -  
P2419 Evaporative Emission System Switching Valve Control Circuit Low
  • Canister pump module (reference orifice, leak detection pump, vent valve)
  • Connector/wire harness (canister pump module - ECM)
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored -  
P2420 Evaporative Emission System Switching Valve Control Circuit High
  • Canister pump module (reference orifice, leak detection pump, vent valve)
  • Connector/wire harness (canister pump module - ECM)
  • ECM
 Comes on DTC stored -  
P2610 ECM/PCM Internal Engine Off Timer Performance
  • ECM
 Comes on DTC stored Applies  
P2A00 A/F Sensor Circuit Slow Response (Bank 1 Sensor 1)
  • Open or short in Air Fuel Ratio (A/F) sensor(sensor 1) circuit
  • A/F sensor
  • A/F sensor heater
  • ECM
 Comes on DTC stored -  
(1) The MIL flashes when a catalyst-damaging misfire is detected.
(2) Only for Mexico Models
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