Diagnostic Trouble Code Chart

HINT:

Parameters listed in the chart may be different than your readings depending on the type of instrument and other factors.

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 reference indicated.

HINT:

*1: MIL flashes when a catalyst damaging misfire is detected.
*2: DTC only applies to models for Mexico.

SFI SYSTEM

DTC Code	Detection Item	Trouble Area	MIL	Memory	DTC Mexico Models	See
P0010	Camshaft Position "A" Actuator Circuit (Bank 1)	-Open or short in camshaft timing oil control valve assembly circuit -Camshaft timing oil control valve assembly -ECM	Comes on	DTC stored	Applies	Refer to DTC P0010: Camshaft Position "A" Actuator Circuit (Bank 1)
P0011	Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1)	-Valve timing -Camshaft timing oil control valve assembly -Oil control valve filter -Camshaft timing gear assembly -ECM	Comes on	DTC stored	Applies	Refer to DTC P0011: Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1); DTC P0012: Camshaft Position "A" - Timing Over-Retarded (Bank 1)
P0012	Camshaft Position "A" - Timing Over-Retarded (Bank 1)	-Valve timing -Camshaft timing oil control valve assembly -Oil control valve filter -Camshaft timing gear assembly -ECM	Comes on	DTC stored	Applies	Refer to DTC P0011: Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1); DTC P0012: Camshaft Position "A" - Timing Over-Retarded (Bank 1)
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 assembly -Camshaft timing gear assembly -ECM	Comes on	DTC stored	Applies	Refer to DTC P0016: Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)
P0031	Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)	-Open in air fuel ratio sensor heater circuit -Air fuel ratio sensor heater (sensor 1) -ECM	Comes on	DTC stored	Applies	Refer to DTC P0031: Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1); DTC P0032: Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1)
P0032	Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1)	-Short in air fuel ratio sensor heater circuit -Air fuel ratio sensor heater (sensor 1) -ECM	Comes on	DTC stored	Applies	Refer to DTC P0031: Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1); DTC P0032: Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1)
P0037	Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2)	-Open in heated oxygen sensor (sensor 2) heater circuit -Heated oxygen sensor (sensor 2) heater -ECM	Comes on	DTC stored	Applies	Refer to DTC P0037: Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2); DTC P0038: Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2); DTC P0141: Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
P0038	Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2)	-Short in heated oxygen sensor (sensor 2) heater circuit -Heated oxygen sensor (sensor 2) heater -ECM	Comes on	DTC stored	Applies	Refer to DTC P0037: Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2); DTC P0038: Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2); DTC P0141: Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
P0101	Mass Air Flow Circuit Range / Performance Problem	-Mass air flow meter -Intake system -PCV hose connections	Comes on	DTC stored	-	Refer to DTC P0101: Mass Air Flow Circuit Range / Performance Problem
P0102	Mass or Volume Air Flow Circuit Low Input	-Open or short in mass air flow meter circuit -Mass air flow meter -ECM	Comes on	DTC stored	Applies	Refer to DTC P0102: Mass or Volume Air Flow Circuit Low Input; DTC P0103: Mass or Volume Air Flow Circuit High Input
P0103	Mass or Volume Air Flow Circuit High Input	-Open or short in mass air flow meter circuit -Mass air flow meter -ECM	Comes on	DTC stored	Applies	Refer to DTC P0102: Mass or Volume Air Flow Circuit Low Input; DTC P0103: Mass or Volume Air Flow Circuit High Input
P0111	Intake Air Temperature Sensor Gradient Too High	-Mass air flow meter	Comes on	DTC stored	-	Refer to DTC P0111: Intake Air Temperature Sensor Gradient Too High
P0112	Intake Air Temperature Circuit Low Input	-Short in intake air temperature sensor circuit -Intake air temperature sensor (built into mass air flow meter) -ECM	Comes on	DTC stored	Applies	Refer to DTC P0112: Intake Air Temperature Circuit Low Input; DTC P0113: Intake Air Temperature Circuit High Input
P0113	Intake Air Temperature Circuit High Input	-Open in intake air temperature sensor circuit -Intake air temperature sensor (built into mass air flow meter) -ECM	Comes on	DTC stored	Applies	Refer to DTC P0112: Intake Air Temperature Circuit Low Input; DTC P0113: Intake Air Temperature Circuit High Input
P0115	Engine Coolant Temperature Circuit Malfunction	-Open or short in engine coolant temperature sensor circuit -Engine coolant temperature sensor -ECM	Comes on	DTC stored	Applies	Refer to DTC P0115: Engine Coolant Temperature Circuit Malfunction; DTC P0117: Engine Coolant Temperature Circuit Low Input; DTC P0118: Engine Coolant Temperature Circuit High Input
P0116	Engine Coolant Temperature Circuit Range / Performance Problem	-Thermostat -Engine coolant temperature sensor	Comes on	DTC stored	Applies	Refer to DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem
P0117	Engine Coolant Temperature Circuit Low Input	-Short in engine coolant temperature sensor circuit -Engine coolant temperature sensor -ECM	Comes on	DTC stored	Applies	Refer to DTC P0115: Engine Coolant Temperature Circuit Malfunction; DTC P0117: Engine Coolant Temperature Circuit Low Input; DTC P0118: Engine Coolant Temperature Circuit High Input
P0118	Engine Coolant Temperature Circuit High Input	-Open in engine coolant temperature sensor circuit -Engine coolant temperature sensor -ECM	Comes on	DTC stored	Applies	Refer to DTC P0115: Engine Coolant Temperature Circuit Malfunction; DTC P0117: Engine Coolant Temperature Circuit Low Input; DTC P0118: Engine Coolant Temperature Circuit High Input
P011B	Engine Coolant Temperature / Intake Air Temperature Correlation	-Intake air temperature sensor (built into mass air flow meter) -Engine coolant temperature sensor -ECM	Comes on	DTC stored	-	Refer to DTC P011B: Engine Coolant Temperature / Intake Air Temperature Correlation
P0120	Throttle / Pedal Position Sensor / Switch "A" Circuit Malfunction	-Throttle position sensor (built into throttle body) -ECM	Comes on	DTC stored	Appliesd	Refer to DTC P0120: Throttle / Pedal Position Sensor / Switch "A" Circuit Malfunction; DTC P0121: Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem; DTC P0122: Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input; DTC P0123: Throttle / Pedal Position Sensor / Switch "A" Circuit High Input; DTC P0220: Throttle / Pedal Position Sensor / Switch "B" Circuit; DTC P0222: Throttle / Pedal Position Sensor / Switch "B" Circuit Low Input; DTC P0223: Throttle / Pedal Position Sensor / Switch "B" Circuit High Input; DTC P2135: Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation
P0121	Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem	-Throttle position sensor (built into throttle body) -Throttle position sensor circuit -ECM	Comes on	DTC stored	Applies	Refer to DTC P0120: Throttle / Pedal Position Sensor / Switch "A" Circuit Malfunction; DTC P0121: Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem; DTC P0122: Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input; DTC P0123: Throttle / Pedal Position Sensor / Switch "A" Circuit High Input; DTC P0220: Throttle / Pedal Position Sensor / Switch "B" Circuit; DTC P0222: Throttle / Pedal Position Sensor / Switch "B" Circuit Low Input; DTC P0223: Throttle / Pedal Position Sensor / Switch "B" Circuit High Input; DTC P2135: Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation
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	Appliesd	Refer to DTC P0120: Throttle / Pedal Position Sensor / Switch "A" Circuit Malfunction; DTC P0121: Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem; DTC P0122: Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input; DTC P0123: Throttle / Pedal Position Sensor / Switch "A" Circuit High Input; DTC P0220: Throttle / Pedal Position Sensor / Switch "B" Circuit; DTC P0222: Throttle / Pedal Position Sensor / Switch "B" Circuit Low Input; DTC P0223: Throttle / Pedal Position Sensor / Switch "B" Circuit High Input; DTC P2135: Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation
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	Appliesd	Refer to DTC P0120: Throttle / Pedal Position Sensor / Switch "A" Circuit Malfunction; DTC P0121: Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem; DTC P0122: Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input; DTC P0123: Throttle / Pedal Position Sensor / Switch "A" Circuit High Input; DTC P0220: Throttle / Pedal Position Sensor / Switch "B" Circuit; DTC P0222: Throttle / Pedal Position Sensor / Switch "B" Circuit Low Input; DTC P0223: Throttle / Pedal Position Sensor / Switch "B" Circuit High Input; DTC P2135: Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation
P0125	Insufficient Coolant Temperature for Closed Loop Fuel Control	-Cooling system -Engine coolant temperature sensor -Thermostat	Comes on	DTC stored	Appliesd	Refer to DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control
P0128	Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)	-Thermostat -Cooling system -Engine coolant temperature sensor -ECM	Comes on	DTC stored	Appliesd	Refer to DTC P0128: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
P0136	Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)	-Open or short in heated oxygen sensor (sensor 2) circuit -Heated oxygen sensor (sensor 2) -Heated oxygen sensor heater (sensor 2) -Air fuel ratio sensor (sensor 1) -Gas leak from exhaust system	Comes on	DTC stored	-	Refer to DTC P0136: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2); DTC P0137: Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2); DTC P0138: Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2); DTC P0139: Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 2)
P0137	Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2)	-Open or short in heated oxygen sensor (sensor 2) circuit -Heated oxygen sensor (sensor 2) -Heated oxygen sensor heater (sensor 2) -Gas leak from exhaust system	Comes on	DTC stored	Applies	Refer to DTC P0136: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2); DTC P0137: Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2); DTC P0138: Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2); DTC P0139: Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 2)
P0138	Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2)	-Short in heated oxygen sensor (sensor 2) circuit -Heated oxygen sensor (sensor 2) -Air fuel ratio sensor (sensor 1) -ECM	Comes on	DTC stored	-	Refer to DTC P0136: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2); DTC P0137: Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2); DTC P0138: Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2); DTC P0139: Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 2)
P0139	Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 2)	-Short in heated oxygen sensor (sensor 2) circuit -Heated oxygen sensor (sensor 2) -ECM	Comes on	DTC stored	-	Refer to DTC P0136: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2); DTC P0137: Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2); DTC P0138: Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2); DTC P0139: Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 2)
P0141	Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)	-Open or short in heated oxygen sensor (sensor 2) heater circuit -Heated oxygen sensor (sensor 2) heater -ECM	Comes on	DTC stored	Applies	Refer to DTC P0037: Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2); DTC P0038: Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2); DTC P0141: Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
P0171	System Too Lean (Bank 1)	-Intake 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	Refer to DTC P0171: System Too Lean (Bank 1); DTC P0172: System Too Rich (Bank 1)
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	Refer to DTC P0171: System Too Lean (Bank 1); DTC P0172: System Too Rich (Bank 1)
P0220	Throttle / Pedal Position Sensor / Switch "B" Circuit	-Throttle position sensor (built into throttle body) -ECM	Comes on	DTC stored	Applies	Refer to DTC P0120: Throttle / Pedal Position Sensor / Switch "A" Circuit Malfunction; DTC P0121: Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem; DTC P0122: Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input; DTC P0123: Throttle / Pedal Position Sensor / Switch "A" Circuit High Input; DTC P0220: Throttle / Pedal Position Sensor / Switch "B" Circuit; DTC P0222: Throttle / Pedal Position Sensor / Switch "B" Circuit Low Input; DTC P0223: Throttle / Pedal Position Sensor / Switch "B" Circuit High Input; DTC P2135: Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation
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	Refer to DTC P0120: Throttle / Pedal Position Sensor / Switch "A" Circuit Malfunction; DTC P0121: Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem; DTC P0122: Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input; DTC P0123: Throttle / Pedal Position Sensor / Switch "A" Circuit High Input; DTC P0220: Throttle / Pedal Position Sensor / Switch "B" Circuit; DTC P0222: Throttle / Pedal Position Sensor / Switch "B" Circuit Low Input; DTC P0223: Throttle / Pedal Position Sensor / Switch "B" Circuit High Input; DTC P2135: Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation
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	Refer to DTC P0120: Throttle / Pedal Position Sensor / Switch "A" Circuit Malfunction; DTC P0121: Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem; DTC P0122: Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input; DTC P0123: Throttle / Pedal Position Sensor / Switch "A" Circuit High Input; DTC P0220: Throttle / Pedal Position Sensor / Switch "B" Circuit; DTC P0222: Throttle / Pedal Position Sensor / Switch "B" Circuit Low Input; DTC P0223: Throttle / Pedal Position Sensor / Switch "B" Circuit High Input; DTC P2135: Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation
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 meter -Engine coolant temperature sensor -Compression pressure -Valve clearance -Valve timing -PCV valve and hose -PCV hose connections -Intake system -ECM	Comes on / Blinks*1	DTC stored	Applies	Refer to DTC P0300: Random / Multiple Cylinder Misfire Detected; DTC P0301: Cylinder 1 Misfire Detected; DTC P0302: Cylinder 2 Misfire Detected; DTC P0303: Cylinder 3 Misfire Detected; DTC P0304: Cylinder 4 Misfire Detected
P0301	Cylinder 1 Misfire Detected	-Same as DTC P0300	Comes on / Blinks*1	DTC stored	Applies	Refer to DTC P0300: Random / Multiple Cylinder Misfire Detected; DTC P0301: Cylinder 1 Misfire Detected; DTC P0302: Cylinder 2 Misfire Detected; DTC P0303: Cylinder 3 Misfire Detected; DTC P0304: Cylinder 4 Misfire Detected
P0302	Cylinder 2 Misfire Detected	-Same as DTC P0300	Comes on / Blinks*1	DTC stored	Applies	Refer to DTC P0300: Random / Multiple Cylinder Misfire Detected; DTC P0301: Cylinder 1 Misfire Detected; DTC P0302: Cylinder 2 Misfire Detected; DTC P0303: Cylinder 3 Misfire Detected; DTC P0304: Cylinder 4 Misfire Detected
P0303	Cylinder 3 Misfire Detected	-Same as DTC P0300	Comes on / Blinks*1	DTC stored	Applies	Refer to DTC P0300: Random / Multiple Cylinder Misfire Detected; DTC P0301: Cylinder 1 Misfire Detected; DTC P0302: Cylinder 2 Misfire Detected; DTC P0303: Cylinder 3 Misfire Detected; DTC P0304: Cylinder 4 Misfire Detected
P0304	Cylinder 4 Misfire Detected	-Same as DTC P0300	Comes on / Blinks*1	DTC stored	Applies	Refer to DTC P0300: Random / Multiple Cylinder Misfire Detected; DTC P0301: Cylinder 1 Misfire Detected; DTC P0302: Cylinder 2 Misfire Detected; DTC P0303: Cylinder 3 Misfire Detected; DTC P0304: Cylinder 4 Misfire Detected
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	Refer to DTC P0327: Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor); DTC P0328: Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)
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	Refer to DTC P0327: Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor); DTC P0328: Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)
P0335	Crankshaft Position Sensor "A" Circuit	-Open or short in crankshaft position sensor circuit -Crankshaft position sensor -Crankshaft position sensor plate -ECM	Comes on	DTC stored	Applies	Refer to DTC P0335: Crankshaft Position Sensor "A" Circuit; DTC P0339: Crankshaft Position Sensor "A" Circuit Intermittent
P0339	Crankshaft Position Sensor "A" Circuit Intermittent	-Open or short in crankshaft position sensor circuit -Crankshaft position sensor -Crankshaft position sensor plate -ECM	-	DTC stored	Applies	Refer to DTC P0335: Crankshaft Position Sensor "A" Circuit; DTC P0339: Crankshaft Position Sensor "A" Circuit Intermittent
P0340	Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor)	-Open or short in camshaft position sensor circuit -Camshaft position sensor -Camshaft -Timing chain jumped a tooth -ECM	Comes on	DTC stored	Applies	Refer to DTC P0340: Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor)
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	Refer to DTC P0351: Ignition Coil "A" Primary / Secondary Circuit; DTC P0352: Ignition Coil "B" Primary / Secondary Circuit; DTC P0353: Ignition Coil "C" Primary / Secondary Circuit; DTC P0354: Ignition Coil "D" Primary / Secondary Circuit
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	Refer to DTC P0351: Ignition Coil "A" Primary / Secondary Circuit; DTC P0352: Ignition Coil "B" Primary / Secondary Circuit; DTC P0353: Ignition Coil "C" Primary / Secondary Circuit; DTC P0354: Ignition Coil "D" Primary / Secondary Circuit
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	Refer to DTC P0351: Ignition Coil "A" Primary / Secondary Circuit; DTC P0352: Ignition Coil "B" Primary / Secondary Circuit; DTC P0353: Ignition Coil "C" Primary / Secondary Circuit; DTC P0354: Ignition Coil "D" Primary / Secondary Circuit
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	Refer to DTC P0351: Ignition Coil "A" Primary / Secondary Circuit; DTC P0352: Ignition Coil "B" Primary / Secondary Circuit; DTC P0353: Ignition Coil "C" Primary / Secondary Circuit; DTC P0354: Ignition Coil "D" Primary / Secondary Circuit
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 converter sub-assembly (TWC: Front catalyst) -Center exhaust pipe assembly (TWC: Rear catalyst)	Comes on	DTC stored	Applies	Refer to DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1)
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	-	Refer to DTC P043E: Evaporative Emission System Reference Orifice Clog Up; DTC P043F: Evaporative Emission System Reference Orifice High Flow; DTC P2401: Evaporative Emission Leak Detection Pump Stuck OFF; DTC P2402: Evaporative Emission Leak Detection Pump Stuck ON; DTC P2419: Evaporative Emission System Switching Valve Control Circuit Low
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	-	Refer to DTC P043E: Evaporative Emission System Reference Orifice Clog Up; DTC P043F: Evaporative Emission System Reference Orifice High Flow; DTC P2401: Evaporative Emission Leak Detection Pump Stuck OFF; DTC P2402: Evaporative Emission Leak Detection Pump Stuck ON; DTC P2419: Evaporative Emission System Switching Valve Control Circuit Low
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	-	Refer to DTC P0441: Evaporative Emission Control System Incorrect Purge Flow
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	Refer to DTC P0443: Evaporative Emission Control System Purge Control Valve Circuit
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	-	Refer to DTC P0451: Evaporative Emission Control System Pressure Sensor Range / Performance; DTC P0452: Evaporative Emission Control System Pressure Sensor / Switch Low Input; DTC P0453: Evaporative Emission Control System Pressure Sensor / Switch High Input
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	-	Refer to DTC P0451: Evaporative Emission Control System Pressure Sensor Range / Performance; DTC P0452: Evaporative Emission Control System Pressure Sensor / Switch Low Input; DTC P0453: Evaporative Emission Control System Pressure Sensor / Switch High Input
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	-	Refer to DTC P0451: Evaporative Emission Control System Pressure Sensor Range / Performance; DTC P0452: Evaporative Emission Control System Pressure Sensor / Switch Low Input; DTC P0453: Evaporative Emission Control System Pressure Sensor / Switch High Input
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	-	Refer to DTC P0455: Evaporative Emission Control System Leak Detected (Gross Leak); DTC P0456: Evaporative Emission Control System Leak Detected (Very Small Leak)
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	-	Refer to DTC P0455: Evaporative Emission Control System Leak Detected (Gross Leak); DTC P0456: Evaporative Emission Control System Leak Detected (Very Small Leak)
P0500	Vehicle Speed Sensor "A"	-Open or short in speed signal circuit -Speed meter circuit (wheel speed sensor, skid control ECU) -Combination meter -ECM	Comes on	DTC stored	Applies	Refer to DTC P0500: Vehicle Speed Sensor "A"
P0504	Brake Switch "A" / "B" Correlation	-Short in stop light switch signal circuit -STOP fuse -IGN fuse -Stop light switch -ECM	-	DTC stored	Applies	Refer to DTC P0504: Brake Switch "A" / "B" Correlation
P0505	Idle Control System Malfunction	-Electronic throttle control system -Intake system -PCV hose connections -ECM	Comes on	DTC stored	Applies	Refer to DTC P0505: Idle Control System Malfunction
P050A	Cold Start Idle Air Control System Performance	-Throttle body -Mass air flow meter -PCV system -Air cleaner filter element -Intake system -VVT system -ECM	Comes on	DTC stored	-	Refer to DTC P050A: Cold Start Idle Air Control System Performance
P0560	System Voltage	-Open in back up power source circuit -Battery -Battery terminals -EFI MAIN fuse -ECM	Comes on	DTC stored	Applies	Refer to DTC P0560: System Voltage
P0604	Random Access Memory (RAM)	-ECM	Comes on	DTC stored	Applies	Refer to DTC P0604: Random Access Memory (RAM)
P0606	ECM / PCM Processor	-ECM	Comes on	DTC stored	Applies	Refer to DTC P0606: ECM / PCM Processor
P0607	Control Module Performance	-Exhaust gas leak -Heated oxygen sensor -ECM	Comes on	DTC stored	-	Refer to DTC P0607: Control Module Performance
P060A	Internal Control Module Monitoring Processor Performance	-ECM	Comes on	DTC stored	Applies	Refer to DTC P060A: Internal Control Module Monitoring Processor Performance
P060D	Internal Control Module Accelerator Pedal Position Performance	-ECM	Comes on	DTC stored	Applies	Refer to DTC P060D: Internal Control Module Accelerator Pedal Position Performance
P060E	Internal Control Module Throttle Position Performance	-ECM	Comes on	DTC stored	Applies	Refer to DTC P060E: Internal Control Module Throttle Position Performance
P0617	Starter Relay Circuit High	-Park/neutral Position switch or clutch pedal switch -ST relay circuit -Ignition switch -ECM	Comes on	DTC stored	Applies	Refer to DTC P0617: Starter Relay Circuit High
P062F	Internal Control Module EEPROM Error	-ECM	Comes on	DTC stored	Applies	Refer to DTC P062F: Internal Control Module EEPROM Error
P0630	VIN not Programmed or Mismatch - ECM / PCM	-ECM	Comes on	DTC stored	-	Refer to DTC P0630: VIN not Programmed or Mismatch - ECM / PCM
P0657	Actuator Supply Voltage Circuit / Open	-ECM	Comes on	DTC stored	Applies	Refer to DTC P0657: Actuator Supply Voltage Circuit / Open
P0724	Brake Switch "B" Circuit High	-Short in stop light switch signal circuit -Stop light switch -ECM	Comes on	DTC stored	Applies	Refer to DTC P0724: Brake Switch "B" Circuit High
P1607	Cruise Control Input Processor	-ECM	Comes on	DTC stored	Applies	Refer to DTC P1607: Cruise Control Input Processor
P2102	Throttle Actuator Control Motor Circuit Low	-Open in throttle actuator circuit -Throttle actuator -ECM	Comes on	DTC stored	Applies	Refer to DTC P2102: Throttle Actuator Control Motor Circuit Low; DTC P2103: Throttle Actuator Control Motor Circuit High
P2103	Throttle Actuator Control Motor Circuit High	-Short in throttle actuator circuit -Throttle actuator -Throttle valve -Throttle body -ECM	Comes on	DTC stored	Applies	Refer to DTC P2102: Throttle Actuator Control Motor Circuit Low; DTC P2103: Throttle Actuator Control Motor Circuit High
P2111	Throttle Actuator Control System - Stuck Open	-Throttle actuator -Throttle body -Throttle valve -ECM	Comes on	DTC stored	Applies	Refer to DTC P2111: Throttle Actuator Control System - Stuck Open; DTC P2112: Throttle Actuator Control System - Stuck Closed
P2112	Throttle Actuator Control System - Stuck Closed	-Throttle actuator -Throttle body -Throttle valve -ECM	Comes on	DTC stored	Applies	Refer to DTC P2111: Throttle Actuator Control System - Stuck Open; DTC P2112: Throttle Actuator Control System - Stuck Closed
P2118	Throttle Actuator Control Motor Current Range / Performance	-Open in electronic throttle control system power source circuit -Battery -Battery terminals -ETCS fuse -ECM	Comes on	DTC stored	Applies	Refer to DTC P2118: Throttle Actuator Control Motor Current Range / Performance
P2119	Throttle Actuator Control Throttle Body Range / Performance	-Electronic throttle control system -ECM	Comes on	DTC stored	Applies	Refer to DTC P2119: Throttle Actuator Control Throttle Body Range / Performance
P2120	Throttle / Pedal Position Sensor / Switch "D" Circuit	-Accelerator pedal position sensor -ECM	Comes on	DTC stored	Applies	Refer to DTC P2120: Throttle / Pedal Position Sensor / Switch "D" Circuit; DTC P2122: Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input; DTC P2123: Throttle / Pedal Position Sensor / Switch "D" Circuit High Input; DTC P2125: Throttle / Pedal Position Sensor / Switch "E" Circuit; DTC P2127: Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input; DTC P2128: Throttle / Pedal Position Sensor / Switch "E" Circuit High Input; DTC P2138: Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
P2121	Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance	-Accelerator pedal position sensor -ECM	Comes on	DTC stored	Applies	Refer to DTC P2121: Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance
P2122	Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input	-Accelerator pedal position sensor -Open in VCP1 circuit -Open or ground short in VPA circuit -ECM	Comes on	DTC stored	Applies	Refer to DTC P2120: Throttle / Pedal Position Sensor / Switch "D" Circuit; DTC P2122: Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input; DTC P2123: Throttle / Pedal Position Sensor / Switch "D" Circuit High Input; DTC P2125: Throttle / Pedal Position Sensor / Switch "E" Circuit; DTC P2127: Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input; DTC P2128: Throttle / Pedal Position Sensor / Switch "E" Circuit High Input; DTC P2138: Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
P2123	Throttle / Pedal Position Sensor / Switch "D" Circuit High Input	-Accelerator pedal position sensor -Open in EPA circuit -ECM	Comes on	DTC stored	Applies	Refer to DTC P2120: Throttle / Pedal Position Sensor / Switch "D" Circuit; DTC P2122: Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input; DTC P2123: Throttle / Pedal Position Sensor / Switch "D" Circuit High Input; DTC P2125: Throttle / Pedal Position Sensor / Switch "E" Circuit; DTC P2127: Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input; DTC P2128: Throttle / Pedal Position Sensor / Switch "E" Circuit High Input; DTC P2138: Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
P2125	Throttle / Pedal Position Sensor / Switch "E" Circuit	-Accelerator pedal position sensor -ECM	Comes on	DTC stored	Applies	Refer to DTC P2120: Throttle / Pedal Position Sensor / Switch "D" Circuit; DTC P2122: Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input; DTC P2123: Throttle / Pedal Position Sensor / Switch "D" Circuit High Input; DTC P2125: Throttle / Pedal Position Sensor / Switch "E" Circuit; DTC P2127: Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input; DTC P2128: Throttle / Pedal Position Sensor / Switch "E" Circuit High Input; DTC P2138: Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
P2127	Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input	-Accelerator pedal position sensor -Open in VCP2 circuit -Open or ground short in VPA2 circuit -ECM	Comes on	DTC stored	Applies	Refer to DTC P2120: Throttle / Pedal Position Sensor / Switch "D" Circuit; DTC P2122: Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input; DTC P2123: Throttle / Pedal Position Sensor / Switch "D" Circuit High Input; DTC P2125: Throttle / Pedal Position Sensor / Switch "E" Circuit; DTC P2127: Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input; DTC P2128: Throttle / Pedal Position Sensor / Switch "E" Circuit High Input; DTC P2138: Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
P2128	Throttle / Pedal Position Sensor / Switch "E" Circuit High Input	-Accelerator pedal position sensor -Open in EPA2 circuit -ECM	Comes on	DTC stored	Applies	Refer to DTC P2120: Throttle / Pedal Position Sensor / Switch "D" Circuit; DTC P2122: Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input; DTC P2123: Throttle / Pedal Position Sensor / Switch "D" Circuit High Input; DTC P2125: Throttle / Pedal Position Sensor / Switch "E" Circuit; DTC P2127: Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input; DTC P2128: Throttle / Pedal Position Sensor / Switch "E" Circuit High Input; DTC P2138: Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
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	Refer to DTC P0120: Throttle / Pedal Position Sensor / Switch "A" Circuit Malfunction; DTC P0121: Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem; DTC P0122: Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input; DTC P0123: Throttle / Pedal Position Sensor / Switch "A" Circuit High Input; DTC P0220: Throttle / Pedal Position Sensor / Switch "B" Circuit; DTC P0222: Throttle / Pedal Position Sensor / Switch "B" Circuit Low Input; DTC P0223: Throttle / Pedal Position Sensor / Switch "B" Circuit High Input; DTC P2135: Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation
P2138	Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation	-Short between VPA and VPA2 circuits -Accelerator pedal position sensor -ECM	Comes on	DTC stored	Applies	Refer to DTC P2120: Throttle / Pedal Position Sensor / Switch "D" Circuit; DTC P2122: Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input; DTC P2123: Throttle / Pedal Position Sensor / Switch "D" Circuit High Input; DTC P2125: Throttle / Pedal Position Sensor / Switch "E" Circuit; DTC P2127: Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input; DTC P2128: Throttle / Pedal Position Sensor / Switch "E" Circuit High Input; DTC P2138: Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
P2195	Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1)	-Open or short in air fuel ratio sensor (sensor 1) circuit -Air fuel ratio sensor (sensor 1) -Air fuel ratio sensor (sensor 1) heater -Air fuel ratio sensor heater circuit -Intake system -Fuel pressure -Fuel injector -ECM	Comes on	DTC stored	-	Refer to DTC P2195: Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1); DTC P2196: Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1)
P2196	Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1)	-Open or short in air fuel ratio sensor (sensor 1) circuit -Air fuel ratio sensor (sensor 1) -Air fuel ratio sensor (sensor 1) heater -Air fuel ratio sensor heater circuit -Intake system -Fuel pressure -Fuel injector -ECM	Comes on	DTC stored	-	Refer to DTC P2195: Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1); DTC P2196: Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1)
P2237	Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1)	-Open in air fuel ratio sensor (sensor 1) circuit -Air fuel ratio sensor (sensor 1) -ECM	Comes on	DTC stored	Applies	Refer to DTC P2237: Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1); DTC P2238: Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1); DTC P2239: Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1); DTC P2252: Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1); DTC P2253: Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1)
P2238	Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1)	-Open or short in air fuel ratio sensor (sensor 1) circuit -Air fuel ratio sensor (sensor 1) -ECM	Comes on	DTC stored	Applies	Refer to DTC P2237: Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1); DTC P2238: Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1); DTC P2239: Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1); DTC P2252: Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1); DTC P2253: Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1)
P2239	Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1)	-Open or short in air fuel ratio sensor (sensor 1) circuit -Air fuel ratio sensor (sensor 1) -ECM	Comes on	DTC stored	Applies	Refer to DTC P2237: Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1); DTC P2238: Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1); DTC P2239: Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1); DTC P2252: Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1); DTC P2253: Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1)
P2252	Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1)	-Open or short in air fuel ratio sensor (sensor 1) circuit -Air fuel ratio sensor (sensor 1) -ECM	Comes on	DTC stored	Applies	Refer to DTC P2237: Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1); DTC P2238: Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1); DTC P2239: Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1); DTC P2252: Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1); DTC P2253: Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1)
P2253	Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1)	-Open or short in air fuel ratio sensor (sensor 1) circuit -Air fuel ratio sensor (sensor 1) -ECM	Comes on	DTC stored	Applies	Refer to DTC P2237: Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1); DTC P2238: Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1); DTC P2239: Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1); DTC P2252: Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1); DTC P2253: Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1)
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	-	Refer to DTC P043E: Evaporative Emission System Reference Orifice Clog Up; DTC P043F: Evaporative Emission System Reference Orifice High Flow; DTC P2401: Evaporative Emission Leak Detection Pump Stuck OFF; DTC P2402: Evaporative Emission Leak Detection Pump Stuck ON; DTC P2419: Evaporative Emission System Switching Valve Control Circuit Low
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	-	Refer to DTC P043E: Evaporative Emission System Reference Orifice Clog Up; DTC P043F: Evaporative Emission System Reference Orifice High Flow; DTC P2401: Evaporative Emission Leak Detection Pump Stuck OFF; DTC P2402: Evaporative Emission Leak Detection Pump Stuck ON; DTC P2419: Evaporative Emission System Switching Valve Control Circuit Low
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	-	Refer to DTC P043E: Evaporative Emission System Reference Orifice Clog Up; DTC P043F: Evaporative Emission System Reference Orifice High Flow; DTC P2401: Evaporative Emission Leak Detection Pump Stuck OFF; DTC P2402: Evaporative Emission Leak Detection Pump Stuck ON; DTC P2419: Evaporative Emission System Switching Valve Control Circuit Low
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	-	Refer to DTC P2420: Evaporative Emission System Switching Valve Control Circuit High
P2610	ECM / PCM Internal Engine Off Timer Performance	-ECM	Comes on	DTC stored	-	Refer to DTC P2610: ECM / PCM Internal Engine Off Timer Performance
P2A00	A/F Sensor Circuit Slow Response (Bank 1 Sensor 1)	-Air fuel ratio sensor (sensor 1) -Air fuel ratio sensor (sensor 1) heater -ECM	Comes on	DTC stored	-	Refer to DTC P2A00: A/F Sensor Circuit Slow Response (Bank 1 Sensor 1)