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Diagnostic Trouble Code Chart

HINT:

Factors such as instrument type may cause readings to differ slightly from stated values. If any DTCs are displayed 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 page indicated.

*1: MIL flashes when a catalyst damaged misfire is detected.

*2: Only for Mexico models

SFI SYSTEM 

DIAGNOSTIC TROUBLE CODE CHART

DTC Code Detection Item Trouble Areas MIL Memory DTC for Mexico Models
P0010 Camshaft Position "A" Actuator Circuit (Bank 1)
  • Open or short in Oil control valve (OCV) (bank 1) circuit
  • OCV (bank 1)
  • ECM
 Comes on DTC stored Applies
P0011 Camshaft Position "A" -Timing Over-Advanced or System Performance (Bankl)
  • Valve timing
  • OCV (bankl)
  • OCV filter
  • Camshaft timing gear assembly
  • ECM
 Comes on DTC stored Applies
P0012 Camshaft Position "A" -Timing Over-Retarded (Bankl)
  • Same as DTC P0011
 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)
  • OCV
  • OCV filter
  • Camshaft timing gear assembly
  • ECM
 Comes on DTC stored Applies
P0018 Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor A)
  • Same as DTC P0016
 Comes on DTC stored Applies
P0020 Camshaft Position "A" Actuator Circuit (Bank 2)
  • Open or short in OCV (bank 2) circuit
  • OCV (bank 2)
  • ECM
 Comes on DTC stored Applies
P0021 Camshaft Position "A" -Timing Over-Advanced or System Performance (Bank 2)
  • Valve timing
  • OCV (bank 2)
  • OCV filter
  • Camshaft timing gear assembly
  • ECM
 Comes on DTC stored Applies
P0022 Camshaft Position "A" -Timing Over-Retarded (Bank 2)
  • Same as DTC P0021
 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
  • A/F sensor heater relay
  • ECM
 Comes on DTC stored Applies
P0032 Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1)
  • Short in A/F sensor heater circuit
  • A/F sensor heater
  • A/F sensor heater relay
  • ECM
 Comes on DTC stored Applies
P0037 Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2)
  • Open in Heated Oxygen (HO2) sensor heater circuit
  • HO2 sensor heater
  • EFI relay
  • ECM
 Comes on DTC stored Applies
P0038 Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2)
  • Short in HO2 sensor heater circuit
  • HO2 sensor heater
  • EFI relay
  • ECM
 Comes on DTC stored Applies
P0051 Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 2 Sensor 1)
  • Same as DTC P0031
 Comes on DTC stored Applies
P0052 Oxygen (A/F) Sensor Heater Control Circuit High (Bank 2 Sensor 1)
  • Same as DTC P0032
 Comes on DTC stored Applies
P0057 Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 2)
  • Same as DTC P0037
 Comes on DTC stored Applies
P0058 Oxygen Sensor Heater Control Circuit High (Bank 2 Sensor 2)
  • Same as DTC P0038
 Comes on DTC stored Applies
P0100 Mass or Volume Air Flow Circuit
  • Open or short in Mass Air Flow (MAF) meter circuit
  • MAF meter
  • ECM
 Comes on DTC stored Applies
P0101 Mass Air Flow Circuit Range / Performance Problem
  • MAF meter
  • Air induction system
  • PCV hose connections
 Comes on DTC stored -
P0102 Mass or Volume Air Flow Circuit Low Input
  • Open in MAF meter circuit
  • Short in ground circuit
  • MAF meter
  • ECM
 Comes on DTC stored Applies
P0103 Mass or Volume Air Flow Circuit High Input
  • Short in MAF meter circuit (+B circuit)
  • MAF meter
  • ECM
 Comes on DTC stored Applies
P0110 Intake Air Temperature Circuit
  • Open or short in Intake Air Temperature (IAT) sensor circuit
  • IAT sensor (built into MAF meter)
  • ECM
 Comes on DTC stored Applies
P0111 Intake Air Temperature Sensor Gradient Too High
  • IAT sensor (built into MAF meter)
 Comes on DTC stored -
P0112 Intake Air Temperature Circuit Low Input
  • Short in IAT sensor circuit
  • IAT sensor (built into MAF meter)
  • ECM
 Comes on DTC stored Applies
P0113 Intake Air Temperature Circuit High Input
  • Open in IAT sensor circuit
  • IAT sensor (built into MAF meter)
  • ECM
 Comes on DTC stored Applies
P0115 Engine Coolant Temperature Circuit
  • 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
  • ECT sensor
 Comes on DTC stored Applies
P011B Engine Coolant Temperature / Intake Air Temperature Correlation
  • IAT sensor
  • ECT sensor
  • ECM
 Comes on DTC stored -
P0117 Engine Coolant Temperature Circuit Low Input
  • Short in ECT sensor circuit
  • ECT sensor
  • ECM
 Comes on DTC stored Applies
P0118 Engine Coolant Temperature Circuit High Input
  • Open in ECT sensor circuit
  • ECT sensor
  • ECM
 Comes on DTC stored Applies
P0120 Throttle / Pedal Position Sensor / Switch "A" Circuit
  • Throttle Position (TP) sensor (built into throttle with motor body assembly)
  • ECM
 Comes on DTC stored Applies
P0121 Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem
  • TP sensor (built into throttle with motor body assembly)
 Comes on DTC stored Applies
P0122 Throttle / Pedal Position Sensor/ Switch "A" Circuit Low Input
  • TP sensor (built into throttle with motor body assembly)
  • Short in VTA1 circuit
  • Open in VC circuit
  • ECM
 Comes on DTC stored Applies
P0123 Throttle / Pedal Position Sensor/ Switch "A" Circuit High Input
  • TP sensor (built into throttle with motor body assembly)
  • 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
  • ECT sensor
  • Thermostat
 Comes on DTC stored Applies
P0128 Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
  • Thermostat
  • Cooling system
  • ECT sensor
  • ECM
 Comes on DTC stored Applies
P0136 Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
  • Open or short in HO2 sensor (bank 1 sensor 2) circuit
  • HO2 sensor (bank 1 sensor 2)
  • HO2 sensor heater (bank 1 sensor 2)
  • A/F sensor (bank 1 sensor 1)
  • EFI relay
  • Gas leak from exhaust system
 Comes on DTC stored -
P0137 Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2)
  • Open in HO2 sensor (bank 1 sensor 2) circuit
  • HO2 sensor (bank 1 sensor 2)
  • HO2 sensor heater (bank 1 sensor 2)
  • EFI relay Gas leak from exhaust system
 Comes on DTC stored Applies
P0138 Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2)
  • Short in HO2 sensor (bank 1 sensor 2) circuit
  • HO2 sensor (bank 1 sensor 2)
  • ECM internal circuit malfunction
  • A/F sensor (bank 1 sensor 1)
 Comes on DTC stored -
P0139 Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 2) - Short in HO2 sensor (bank 1 sensor 2) circuit
- HO2 sensor (bank 1 sensor 2)		 Comes on DTC stored -
P0141 Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
  • Open or short in HO2 sensor heater circuit
  • HO2 sensor heater
  • EFI relay
  • ECM
 Comes on DTC stored Applies
P0156 Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 2)
  • Open or short in HO2 sensor (bank 2 sensor 2) circuit
  • HO2 sensor (bank 2 sensor 2)
  • HO2 sensor heater (bank 2 sensor 2)
  • A/F sensor (bank 2 sensor 1)
  • EFI relay
  • Gas leak from exhaust system
 Comes on DTC stored -
P0157 Oxygen Sensor Circuit Low Voltage (Bank 2 Sensor 2)
  • Open in HO2 sensor (bank 2 sensor 2) circuit
  • HO2 sensor (bank 2 sensor 2)
  • HO2 sensor heater (bank 2 sensor 2)
  • EFI relay
  • Gas leak from exhaust system
 Comes on DTC stored Applies
P0158 Oxygen Sensor Circuit High Voltage (Bank 2 Sensor 2)
  • Short in HO2 sensor (bank 2 sensor 2) circuit
  • HO2 sensor (bank 2 sensor 2)
  • ECM internal circuit malfunction
  • A/F sensor (bank 2 sensor 1)
 Comes on DTC stored -
P0159 Oxygen Sensor Circuit Slow Response (Bank 2 Sensor 2) - Short in HO2 sensor (bank 2 sensor 2) circuit
- HO2 sensor (bank 2 sensor 2)		 Comes on DTC stored -
P0161 Oxygen Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)
  • Same as DTC P0141
 Comes on DTC stored Applies
P0171 System Too Lean (Bank 1)
  • Air induction system
  • Fuel injector blockage
  • MAF meter
  • ECT sensor
  • Fuel pressure
  • Gas leak from exhaust system
  • Open or short in A/F sensor (bank 1 sensor 1) circuit
  • A/F sensor (bank 1 sensor 1)
  • A/F sensor heater (bank 1 sensor 1)
  • A/F sensor heater relay
  • A/F sensor heater relay circuits
  • PCV hose connections
  • PCV valve and hose
  • ECM
 Comes on DTC stored Applies
P0172 System Too Rich (Bank 1)
  • Fuel injector leak or blockage
  • MAF meter
  • ECT sensor
  • Ignition system
  • Fuel pressure
  • Gas leak from exhaust system
  • Open or short in A/F sensor (bank 1 sensor 1) circuit
  • A/F sensor (bank 1 sensor 1)
  • A/F sensor heater (bank 1 sensor 1)
  • A/F sensor heater relay
  • A/F sensor heater relay circuits
  • ECM
 Comes on DTC stored Applies
P0174 System Too Lean (Bank 2)
  • Air induction system
  • Fuel injector blockage
  • MAF meter
  • ECT sensor
  • Fuel pressure
  • Gas leak from exhaust system
  • Open or short in A/F sensor (bank 2 sensor 1)circuit
  • A/F sensor (bank 2 sensor 1)
  • A/F sensor heater (bank 2 sensor 1)
  • A/F sensor heater relay
  • A/F sensor heater relay circuits
  • PCV hose connections
  • PCV valve and hose
  • ECM
 Comes on DTC stored Applies
P0175 System Too Rich (Bank 2)
  • Fuel injector leak or blockage
  • MAF meter
  • ECT sensor
  • Ignition system
  • Fuel pressure
  • Gas leak from exhaust system
  • Open or short in A/F sensor (bank 2 sensor 1) circuit
  • A/F sensor (bank 2 sensor 1)
  • A/F sensor heater (bank 2 sensor 1)
  • A/F sensor heater relay
  • A/F sensor heater relay circuits
  • ECM
 Comes on DTC stored Applies
P0220 Throttle / Pedal Position Sensor / Switch "B" Circuit
  • TP sensor (built into throttle with motor body assembly)
  • ECM
 Comes on DTC stored Applies
P0222 Throttle / Pedal Position Sensor/Switch "B" Circuit Low Input
  • TP sensor (built into throttle with motor body assembly)
  • Short in VTA2 circuit
  • Open in VC circuit
  • ECM
 Comes on DTC stored Applies
P0223 Throttle / Pedal Position Sensor / Switch "B" Circuit High Input
  • TP sensor (built into throttle with motor body assembly)
  • Open in VTA2 circuit
  • Open in E2 circuit
  • Short between VC and VTA2 circuits
  • ECM
 Comes on DTC stored Applies
P0230 Fuel Pump Primary Circuit
  • Open or short in fuel pump relay circuit
  • Fuel pump relay
  • ECM
 - 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
 Comes on / Blinks* DTC stored Applies
P0301 Cylinder 1 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
 Comes on / Blinks* DTC stored Applies
P0302 Cylinder 2 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
 Comes on / Blinks* DTC stored Applies
P0303 Cylinder 3 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
 Comes on / Blinks* DTC stored Applies
P0304 Cylinder 4 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
 Comes on / Blinks* DTC stored Applies
P0305 Cylinder 5 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
 Comes on / Blinks* DTC stored Applies
P0306 Cylinder 6 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
 Comes on / Blinks* DTC stored Applies
P0327 Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor)
  • Short in knock sensor 1 circuit
  • Knock sensor 1
  • ECM
 Comes on DTC stored Applies
P0328 Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)
  • Open in knock sensor 1
  • circuit Knock sensor 1
  • ECM
 Comes on DTC stored Applies
P0332 Knock Sensor 2 Circuit Low Input (Bank 2)
  • Short in knock sensor 2 circuit
  • Knock sensor 2
  • ECM
 Comes on DTC stored Applies
P0333 Knock Sensor 2 Circuit High Input (Bank 2)
  • Open in knock sensor 2 circuit
  • Knock sensor 2
  • ECM
 Comes on DTC stored Applies
P0335 Crankshaft Position Sensor "A" Circuit
  • Open or short in Crankshaft Position (CKP) sensor circuit
  • CKP sensor
  • Sensor plate (CKP sensor plate)
  • ECM
 Comes on DTC stored Applies
P0339 Crankshaft Position Sensor "A" Circuit Intermittent
  • Same as DTC P0335
 - DTC stored Applies
P0340 Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor)
  • Open or short in Variable Valve Timing (VVT) sensor circuit
  • VVT sensor
  • Camshaft timing gear
  • Jumped tooth of timing chain
  • ECM
 Comes on DTC stored Applies
P0342 Camshaft Position Sensor "A" Circuit Low Input (Bank 1 or Single Sensor)
  • Same as DTC P0340
 Comes on DTC stored Applies
P0343 Camshaft Position Sensor "A" Circuit High Input (Bank 1 or Single Sensor)
  • Same as DTC P0340
 Comes on DTC stored Applies
P0345 Camshaft Position Sensor "A" Circuit (Bank 2)
  • Same as DTC P0340
 Comes on DTC stored Applies
P0347 Camshaft Position Sensor "A" Circuit Low Input (Bank 2)
  • Same as DTC P0340
 Comes on DTC stored Applies
P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2)
  • Same as DTC P0340
 Comes on DTC stored Applies
P0351 Ignition Coil "A" Primary / Secondary Circuit
  • Ignition system
  • Open or short in IGF1 or IGT circuit (1 to 6) between ignition coil and ECM No. 1 to No. 6 ignition coils
  • ECM
 Comes on DTC stored Applies
P0352 Ignition Coil "B" Primary / Secondary Circuit
  • Same as DTC P0351
 Comes on DTC stored Applies
P0353 Ignition Coil "C" Primary / Secondary Circuit
  • Same as DTC P0351
 Comes on DTC stored Applies
P0354 Ignition Coil "D" Primary / Secondary Circuit
  • Same as DTC P0351
 Comes on DTC stored Applies
P0355 Ignition Coil "E" Primary / Secondary Circuit
  • Same as DTC P0351
 Comes on DTC stored Applies
P0356 Ignition Coil "F" Primary / Secondary Circuit
  • Same as DTC P0351
 Comes on DTC stored Applies
P0420 Catalyst System Efficiency Below Threshold (Bank 1)
  • Gas leak from exhaust system
  • A/F sensor (bank 1 sensor 1)
  • HO2 sensor (bank 1 sensor 2)
  • Exhaust manifold (TWC)
 Comes on DTC stored Applies
P0430 Catalyst System Efficiency Below Threshold (Bank 2)
  • Gas leak from exhaust system
  • A/F sensor (bank 2 sensor 1)
  • HO2 sensor (bank 2 sensor 2)
  • Exhaust manifold (TWC)
 Comes on DTC stored Applies
P043E Evaporative Emission System Reference Orifice Clog Up
  • 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
P0450 Evaporative Emission Control System Pressure Sensor / Switch
  • Canister pump module
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored -
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
  • Same as DTC P0451
 Comes on DTC stored -
P0453 Evaporative Emission Control System Pressure Sensor / Switch High Input
  • Same as DTC P0451
 Comes on DTC stored -
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
  • Vehicle speed sensor
  • Combination meter
  • ECM
  • Skid control ECU
 Comes on DTC stored Applies
P0504 Brake Switch "A" / "B" Correlation
  • Short in stop light switch signal circuit
  • STOP fuse
  • Stop light switch
  • ECM
 - DTC stored Applies
P0505 Idle Control System Malfunction
  • ETCS
  • Air induction system
  • PCV hose connections
  • ECM
 Comes on DTC stored Applies
P050A Cold Start Idle Air Control System 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 -
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
  • EFI 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
  • HO2 sensor
  • ECM
 Comes on DTC stored Applies
P0617 Starter Relay Circuit High
  • Park/Neutral Position (PNP) switch (A/T)
  • Clutch start switch (M/T)
  • Clutch start cancel switch (M/T)
  • Starter relay circuit
  • Ignition switch
  • ECM
 Comes on DTC stored Applies
P0630 VIN not Programmed or Mismatch ECM / PCM
  • ECM
 Comes on DTC stored -
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
P1500 AC Inverter Malfunction
  • Open or short in speed signal circuit
  • Short between idle-up signal and +B circuits
  • Voltage Inverter
  • 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 with motor body assembly
  • ECM
 Comes on DTC stored Applies
P2111 Throttle Actuator Control System Stuck Open
  • Throttle actuator
  • Throttle with motor body assembly
  • Throttle valve
 Comes on DTC stored Applies
P2112 Throttle Actuator Control System Stuck Closed
  • Same as DTC P2111
 Comes on DTC stored Applies
P2118 Throttle Actuator Control Motor Current Range / Performance
  • Open in ETCS power source circuit
  • ETCS fuse
  • ECM
 Comes on DTC stored Applies
P2119 Throttle Actuator Control Throttle Body Range / Performance
  • 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
  • APP sensor
  • ECM
 Comes on DTC stored Applies
P2122 Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input
  • 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
  • APP sensor
  • Open in EPA circuit
  • ECM
 Comes on DTC stored Applies
P2125 Throttle / Pedal Position Sensor / Switch "E" Circuit
  • APP sensor
  • ECM
 Comes on DTC stored Applies
P2127 Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input
  • 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
  • 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
  • TP sensor (built into throttle with motor body assembly)
  • ECM
 Comes on DTC stored Applies
P2138 Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
  • Short between VPA and VPA2 circuits
  • APP sensor
  • ECM
 Comes on DTC stored Applies
P2195 Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1)
  • Open or short in A/F sensor (bank 1 sensor 1) circuit
  • A/F sensor (bank 1 sensor 1)
  • A/F sensor heater (bank 1 sensor 1)
  • A/F sensor heater relay
  • A/F sensor heater and relay circuits
  • Air induction system
  • Fuel pressure
  • Fuel injector
  • ECM
 Comes on DTC stored -
P2196 Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1)
  • Same as DTC P2195
 Comes on DTC stored -
P2197 Oxygen (A/F) Sensor Signal Stuck Lean (Bank 2 Sensor 1)
  • Open or short in A/F sensor (bank 2 sensor 1) circuit
  • A/F sensor (bank 2 sensor 1)
  • A/F sensor heater (bank 2 sensor 1)
  • A/F sensor heater relay
  • A/F sensor heater and relay circuits
  • Air induction system
  • Fuel pressure
  • Fuel injector
  • ECM
 Comes on DTC stored -
P2198 Oxygen (A/F) Sensor Signal Stuck Rich (Bank 2 Sensor 1)
  • Same as DTC P2197
 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 (bank 1 sensor 1) circuit
  • A/F sensor (bank 2 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 (bank 1 sensor 1) circuit
  • A/F sensor(bank 1 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 (bank 1 sensor 1) circuit
  • A/F sensor(bank 1 sensor 1)
  • ECM
 Comes on DTC stored Applies
P2240 Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 2 Sensor 1)
  • Open in Air Fuel Ratio (A/F) sensor (bank 2 sensor 1) circuit
  • A/F sensor (bank 2 sensor 1)
  • ECM
 Comes on DTC stored Applies
P2241 Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 2 Sensor 1)
  • Open or short in Air Fuel Ratio (A/F) sensor (bank 2 sensor 1) circuit
  • A/F sensor (bank 2 sensor 1)
  • ECM
 Comes on DTC stored Applies
P2242 Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 2 Sensor 1)
  • Open or short in Air Fuel Ratio (A/F) sensor (bank 2 sensor 1) circuit
  • A/F sensor (bank 2 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 (bank 1 sensor 1) circuit
  • A/F sensor (bank 1 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 (bank 1 sensor 1)
  • circuit A/F sensor (bank 1 sensor 1)
  • ECM
 Comes on DTC stored Applies
P2255 Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 2 Sensor 1)
  • Open or short in Air Fuel Ratio (A/F) sensor (bank 2 sensor 1) circuit
  • A/F sensor(bank 2 sensor 1)
  • ECM
 Comes on DTC stored Applies
P2256 Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 2 Sensor 1)
  • Open or short in Air Fuel Ratio (A/F) sensor (bank 2 sensor 1) circuit
  • A/F sensor (bank 2 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 -
P2A00 A/F Sensor Circuit Slow Response(Bank 1 Sensor 1)
  • Open or short in A/F sensor (bank 1 sensor 1) circuit
  • A/F sensor A/F sensor heater
  • ECM
 Comes on DTC stored -
P2A03 A/F Sensor Circuit Slow Response (Bank 2 Sensor 1)
  • Open or short in A/F sensor (bank 2 sensor 1) circuit
  • A/F sensor A/F sensor heater
  • ECM
 Comes on DTC stored -
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