Diagnostic Trouble Code Chart

HINT:

Parameters listed in the chart may be different from your readings depending on the type of instruments 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 "See service information" indicated.
*1: The MIL flashes when catalyst-damaging misfire is detected.
*2: For automatic transmission models.
*3: For manual transmission models.

SFI SYSTEM

DTC Code	Detection Item	Trouble Area	MIL	Memory	See page
P0010	Camshaft Position "A" Actuator Circuit (Bank 1)	- Open or short in oil control valve circuit - Camshaft timing oil control valve assembly - ECM	Comes on	DTC stored	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	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)	- Same as DTC P0011	Comes on	DTC stored	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 - Oil control valve filter	Comes on	DTC stored	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 - A/F HEATER relay - ECM	Comes on	DTC stored	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 - A/F HEATER relay - ECM	Comes on	DTC stored	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 or short in heated oxygen sensor heater circuit - Heated oxygen sensor heater - EFI relay - ECM	Comes on	DTC stored	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)	- Same as DTC P0037	Comes on	DTC stored	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	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	- Same as DTC P0102	Comes on	DTC stored	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	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	Refer to DTC P0112: Intake Air Temperature Circuit Low Input; DTC P0113: Intake Air Temperature Circuit High Input
P0115	Engine Coolant Temperature Circuit	- Open or short in engine coolant temperature sensor circuit - Engine coolant temperature sensor - ECM	Comes on	DTC stored	Refer to DTC P0115: Engine Coolant Temperature Circuit; 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	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	Refer to DTC P0115: Engine Coolant Temperature Circuit; 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	Refer to DTC P0115: Engine Coolant Temperature Circuit; 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 - 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	- Throttle position sensor (built into throttle with motor body assembly) - ECM	Comes on	DTC stored	Refer to DTC P0120: Throttle / Pedal Position Sensor / Switch "A" Circuit; 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 with motor body assembly) - Throttle position sensor circuit - ECM	Comes on	DTC stored	Refer to DTC P0120: Throttle / Pedal Position Sensor / Switch "A" Circuit; 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 with motor body assembly) - Short in VTA1 circuit - Open in VC circuit - ECM	Comes on	DTC stored	Refer to DTC P0120: Throttle / Pedal Position Sensor / Switch "A" Circuit; 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 with motor body assembly) - Open in VTA1 circuit - Open in E2 circuit - Short between VC and VTA1 circuit - ECM	Comes on	DTC stored	Refer to DTC P0120: Throttle / Pedal Position Sensor / Switch "A" Circuit; 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	- Engine coolant temperature sensor - Cooling system - Thermostat	Comes on	DTC stored	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	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 circuit - Heated oxygen sensor - Heated oxygen sensor heater - Air fuel ratio sensor - Gas leak from exhaust system	Comes on	DTC stored	Refer to DTC P0136: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2); DTC P0137: Heated 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	Heated Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2)	- Open in heated oxygen sensor circuit - Heated oxygen sensor - Heated oxygen sensor heater - Gas leak from exhaust system - Air fuel ratio sensor	Comes on	DTC stored	Refer to DTC P0136: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2); DTC P0137: Heated 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 circuit - Heated oxygen sensor - Air fuel ratio sensor - ECM	Comes on	DTC stored	Refer to DTC P0136: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2); DTC P0137: Heated 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 circuit - Heated oxygen sensor - Gas leak from exhaust system - ECM	Comes on	DTC stored	Refer to DTC P0136: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2); DTC P0137: Heated 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 heater circuit - Heated oxygen sensor heater - EFI relay - ECM	Comes on	DTC stored	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)
P014C	A/F Sensor Slow Response - Rich to Lean Bank 1 Sensor 1	- Air fuel ratio sensor - Air fuel ratio sensor heater - ECM	Comes on	DTC stored	Refer to DTC P014C: A/F Sensor Slow Response - Rich to Lean Bank 1 Sensor 1; DTC P014D: A/F Sensor Slow Response - Lean to Rich Bank 1 Sensor 1; DTC P015A: A/F Sensor Delayed Response - Rich to Lean Bank 1 Sensor 1; DTC P015B: A/F Sensor Delayed Response - Lean to Rich Bank 1 Sensor 1
P014D	A/F Sensor Slow Response - Lean to Rich Bank 1 Sensor 1	- Same as DTC P014C	Comes on	DTC stored	Refer to DTC P014C: A/F Sensor Slow Response - Rich to Lean Bank 1 Sensor 1; DTC P014D: A/F Sensor Slow Response - Lean to Rich Bank 1 Sensor 1; DTC P015A: A/F Sensor Delayed Response - Rich to Lean Bank 1 Sensor 1; DTC P015B: A/F Sensor Delayed Response - Lean to Rich Bank 1 Sensor 1
P015A	A/F Sensor Delayed Response - Rich to Lean Bank 1 Sensor 1	- Same as DTC P014C	Comes on	DTC stored	Refer to DTC P014C: A/F Sensor Slow Response - Rich to Lean Bank 1 Sensor 1; DTC P014D: A/F Sensor Slow Response - Lean to Rich Bank 1 Sensor 1; DTC P015A: A/F Sensor Delayed Response - Rich to Lean Bank 1 Sensor 1; DTC P015B: A/F Sensor Delayed Response - Lean to Rich Bank 1 Sensor 1
P015B	A/F Sensor Delayed Response - Lean to Rich Bank 1 Sensor 1	- Same as DTC P014C	Comes on	DTC stored	Refer to DTC P014C: A/F Sensor Slow Response - Rich to Lean Bank 1 Sensor 1; DTC P014D: A/F Sensor Slow Response - Lean to Rich Bank 1 Sensor 1; DTC P015A: A/F Sensor Delayed Response - Rich to Lean Bank 1 Sensor 1; DTC P015B: A/F Sensor Delayed Response - Lean to Rich Bank 1 Sensor 1
P0171	System Too Lean (Bank 1)	- Intake system - Injector blockage - Mass air flow meter - Engine coolant temperature sensor - Fuel pressure - Gas leakage from exhaust system - Open or short in air fuel ratio sensor circuit - Air fuel ratio sensor - Air fuel ratio sensor heater - A/F HEATER relay - Air fuel ratio sensor heater and A/F HEATER relay circuits - PCV valve and hose - PCV hose connections - ECM - Wire harness or connector	Comes on	DTC stored	Refer to DTC P0171: System Too Lean (Bank 1); DTC P0172: System Too Rich (Bank 1)
P0172	System Too Rich (Bank 1)	- Injector leakage or blockage - Mass air flow meter - Engine coolant temperature sensor - Ignition system - Fuel pressure - Open or short in air fuel ratio sensor circuit - Gas leakage from exhaust system - Air fuel ratio sensor - Air fuel ratio sensor heater - A/F HEATER relay - Air fuel ratio sensor heater and A/F HEATER relay circuits - ECM - Wire harness or connector	Comes on	DTC stored	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 with motor body assembly) - ECM	Comes on	DTC stored	Refer to DTC P0120: Throttle / Pedal Position Sensor / Switch "A" Circuit; 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 with motor body assembly) - Short in VTA2 circuit - Open in VC circuit - ECM	Comes on	DTC stored	Refer to DTC P0120: Throttle / Pedal Position Sensor / Switch "A" Circuit; 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 with motor body assembly) - Open in VTA2 circuit - Open in E2 circuit - Short between VC and VTA2 circuit - ECM	Comes on	DTC stored	Refer to DTC P0120: Throttle / Pedal Position Sensor / Switch "A" Circuit; 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 - Wire harness or connector	Comes on/Blinks*1	DTC stored	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	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	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	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	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	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	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 (crank angle sensor plate) - ECM	Comes on	DTC stored	Refer to DTC P0335: Crankshaft Position Sensor "A" Circuit; DTC P0339: Crankshaft Position Sensor "A" Circuit Intermittent
P0339	Crankshaft Position Sensor "A" Circuit Intermittent	- Same as P0335	-	DTC stored	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 - Jumped tooth of timing chain - ECM	Comes on	DTC stored	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 with igniter and ECM - No. 1 ignition coil with igniter - ECM	Comes on	DTC stored	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 with igniter and ECM - No. 2 ignition coil with igniter - ECM	Comes on	DTC stored	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 with igniter and ECM - No. 3 ignition coil with igniter - ECM	Comes on	DTC stored	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 with igniter and ECM - No. 4 ignition coil with igniter - ECM	Comes on	DTC stored	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
P0412	Secondary Air Injection System Switching Valve "A" Circuit	- Open in air switching valve drive circuit - Short between air switching valve drive circuit and +B circuit - Air injection control driver - Air switching valve - ECM	Comes on	DTC stored	Refer to DTC P0412: Secondary Air Injection System Switching Valve "A" Circuit
P0418	Secondary Air Injection System Control "A" Circuit	- Open in air pump drive circuit - Short between air pump drive circuit and +B circuit - Air pump - Air injection control driver - ECM	Comes on	DTC stored	Refer to DTC P0418: Secondary Air Injection System Control "A" Circuit
P0420	Catalyst System Efficiency Below Threshold (Bank 1)	- Front exhaust pipe assembly (TWC: Front and rear catalyst) - Gas leakage from exhaust system - Air fuel ratio sensor - Heated oxygen sensor	Comes on	DTC stored	Refer to DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1)
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	Refer to DTC P043E: Evaporative Emission System Leak Detection Reference Orifice Low Flow; 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	- Same as DTC P043E	Comes on	DTC stored	Refer to DTC P043E: Evaporative Emission System Leak Detection Reference Orifice Low Flow; 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 - Leakage from EVAP system	Comes on	DTC stored	Refer to DTC P0441: Evaporative Emission Control System Incorrect Purge Flow
P0451	Evaporative Emission Control System Pressure Sensor Range / Performance	- Canister pump module - Connector/wire harness (Canister pump module - ECM) - 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) - 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) - 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 cap (loose) - Leakage from EVAP line (Canister - Fuel tank) - Leakage from EVAP line (Purge VSV - Canister) - Canister pump module - Leakage from fuel tank - Leakage 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)	- Same as DTC P0455	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	Refer to DTC P0500: Vehicle Speed Sensor "A"
P0504	Brake Switch "A" / "B" Correlation	- Short in stop light switch signal circuit - STOP fuse - Stop light switch - ECM	-	DTC stored	Refer to DTC P0504: Brake Switch "A" / "B" Correlation
P0505	Idle Control System Malfunction	- Electronic throttle control system (ETCS) - Intake system - PCV hose connection - ECM	Comes on	DTC stored	Refer to DTC P0505: Idle Control System Malfunction
P050A	Cold Start Idle Air Control System Performance	- Throttle body - Mass air flow meter - PCV hose - Air cleaner filter - Intake system - VVT system - Wire harness or connector - ECM	Comes on	DTC stored	Refer to DTC P050A: Cold Start Idle Air Control System Performance
P050B	Cold Start Ignition Timing Performance	- Throttle body - Mass air flow meter - PCV system - Air cleaner filter - Intake system - VVT system - Wire harness or connector - ECM	Comes on	DTC stored	Refer to DTC P050B: Cold Start Ignition Timing Performance
P0560	System Voltage	- Open in back up power source circuit - Battery - Battery terminals - EFI fuse - ECM	Comes on	DTC stored	Refer to DTC P0560: System Voltage
P0604	Random Access Memory (RAM)	- ECM	Comes on	DTC stored	Refer to DTC P0604: Random Access Memory (RAM)
P0606	ECM Processor	- ECM	Comes on	DTC stored	Refer to DTC P0606: ECM 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	Refer to DTC P060A: Internal Control Module Monitoring Processor Performance
P060D	Internal Control Module Accelerator Pedal Position Performance	- ECM	Comes on	DTC stored	Refer to DTC P060D: Internal Control Module Accelerator Pedal Position Performance
P060E	Internal Control Module Throttle Position Performance	- ECM	Comes on	DTC stored	Refer to DTC P060E: Internal Control Module Throttle Position Performance
P0617	Starter Relay Circuit High	- Park/Neutral Position switch2 - Clutch start switch3 - Starter relay circuit - Ignition switch - ECM	Comes on	DTC stored	Refer to DTC P0617: Starter Relay Circuit High
P062F	Internal Control Module EEPROM Error	- ECM	Comes on	DTC stored	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	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	Refer to DTC P0724: Brake Switch "B" Circuit High
P106B	Evaporative Emission System Pressure Sensor - Secondary Air Injection Pressure Sensor Correlation	- Canister pressure sensor (canister assembly) - Pressure sensor	Comes on	DTC stored	Refer to DTC P106B: Evaporative Emission System Pressure Sensor - Secondary Air Injection Pressure Sensor Correlation
P1500	AC Inverter Malfunction	- Open in speed signal circuit - Short between idle-up signal and +B circuits - Voltage inverter - ECM	Comes on	DTC stored	Refer to DTC P1500: AC Inverter Malfunction
P1603	Engine Stall History	- Air leak in intake system - Purge VSV - Brake booster hose not connected properly - Mass air flow meter - Engine coolant temperature sensor - Wire harness or connector - Air fuel ratio sensor - Power supply circuit (purge VSV, fuel injector, ignition coil) - Fuel pump - Fuel pump control circuit - Fuel line - Throttle body - Camshaft timing oil control valve assembly - Air conditioning system - Power steering system - Electrical load signal system - Automatic transmission system - Park/neutral position switch assembly - ECM	-	DTC stored	Refer to DTC P1603: Engine Stall History; DTC P1605: Rough Idling
P1604	Startability Malfunction	- Immobilizer system (w/ immobilizer system) - Engine assembly (excess friction, compression loss) - Starter - Crankshaft position sensor - Camshaft position sensor - Engine coolant temperature sensor - Fuel pump - Fuel pump control circuit - Fuel lines - Fuel injector - Throttle body - Pressure regulator - Battery - Drive plate2 - Flywheel3 - Spark plug - Ignition coil circuit - Intake system - Camshaft timing oil control valve assembly - Mass air flow meter - Air fuel ratio sensor - Valve timing - Fuel - Purge VSV - Intake valve - ECM	-	DTC stored	Refer to DTC P1604: Startability Malfunction
P1605	Rough Idling	- Air leak in intake system - Purge VSV - Brake booster hose not connected properly - Mass air flow meter - Engine coolant temperature sensor - Wire harness or connector - Air fuel ratio sensor - Power supply circuit (purge VSV, fuel injector, ignition coil) - Fuel pump - Fuel pump control circuit - Fuel line - Throttle body - Camshaft timing oil control valve assembly - Knock sensor - Ignition coil - Fuel injector - Spark plug(s) - Air conditioning system - Power steering system - Electrical load signal system - Automatic transmission system2 - Park/neutral position switch assembly2 - ECM	-	DTC stored	Refer to DTC P1603: Engine Stall History; DTC P1605: Rough Idling
P1607	Cruise Control Input Processor	- ECM	Comes on	DTC stored	Refer to DTC P1607: Cruise Control Input Processor
P1613	Secondary Air Injection Driver Malfunction	- Air injection control driver - Open in air injection control driver ground circuit - Short in diagnostic information signal circuit (air injection control driver - ECM) - Open or short in air injection control driver power source circuit - Open or short in air pump and air switching valve command signal circuit (air injection control driver - ECM) - Open in air injection control driver ground circuit - Open in diagnostic information signal circuit (air injection control driver - ECM) - Air injection control driver - ECM	Comes on	DTC stored	Refer to DTC P1613: Secondary Air Injection Driver Malfunction
P2102	Throttle Actuator Control Motor Circuit Low	- Open in throttle actuator circuit - Throttle actuator - ECM	Comes on	DTC stored	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	Refer to DTC P2102: Throttle Actuator Control Motor Circuit Low; DTC P2103: Throttle Actuator Control Motor Circuit High
P2109	Throttle / Pedal Position Sensor "A" Minimum Stop Performance	- Throttle body	-	DTC stored	Refer to DTC P2109: Throttle / Pedal Position Sensor "A" Minimum Stop Performance
P2111	Throttle Actuator Control System - Stuck Open	- Throttle actuator - Throttle body - Throttle valve - Wire harness or connector	Comes on	DTC stored	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 - Wire harness or connector	Comes on	DTC stored	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 (ETCS) power source circuit - Battery - Battery terminals - ETCS fuse - ECM	Comes on	DTC stored	Refer to DTC P2118: Throttle Actuator Control Motor Current Range / Performance
P2119	Throttle Actuator Control Throttle Body Range / Performance	- Electronic throttle control system (ETCS) - ECM - Wire harness or connector	Comes on	DTC stored	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	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 circuit - Accelerator pedal position sensor - ECM	Comes on	DTC stored	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	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	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	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	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	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 circuit - Throttle position sensor (built into throttle with motor body assembly) - ECM	Comes on	DTC stored	Refer to DTC P0120: Throttle / Pedal Position Sensor / Switch "A" Circuit; 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 in between VPA and VPA2 circuits - Accelerator pedal position sensor - ECM	Comes on	DTC stored	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 air fuel ratio sensor circuit - Air fuel ratio sensor - Air fuel ratio sensor heater - A/F HEATER relay - Air fuel ratio sensor heater and relay circuits - Intake system - Fuel pressure - 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)	- Same as DTC P2195	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 or short in air fuel ratio sensor circuit - Air fuel ratio sensor - ECM	Comes on	DTC stored	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)	- Same as DTC P2237	Comes on	DTC stored	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)	- Same as DTC P2237	Comes on	DTC stored	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)	- Same as DTC P2237	Comes on	DTC stored	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)	- Same as DTC P2237	Comes on	DTC stored	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 Leak Detection Reference Orifice Low Flow; 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	- Same as DTC P2401	Comes on	DTC stored	Refer to DTC P043E: Evaporative Emission System Leak Detection Reference Orifice Low Flow; 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	- Same as DTC P2401	Comes on	DTC stored	Refer to DTC P043E: Evaporative Emission System Leak Detection Reference Orifice Low Flow; 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
P2431	Secondary Air Injection System Air Flow / Pressure Sensor Circuit Range / Performance Bank1	- Pressure sensor - Open or short in pressure sensor circuit - ECM	Comes on	DTC stored	Refer to DTC P2431: Secondary Air Injection System Air Flow / Pressure Sensor Circuit Range / Performance Bank1; DTC P2432: Secondary Air Injection System Air Flow / Pressure Sensor Circuit Low Bank1; DTC P2433: Secondary Air Injection System Air Flow / Pressure Sensor Circuit High Bank1
P2432	Secondary Air Injection System Air Flow / Pressure Sensor Circuit Low Bank1	- Same as DTC P2430	Comes on	DTC stored	Refer to DTC P2431: Secondary Air Injection System Air Flow / Pressure Sensor Circuit Range / Performance Bank1; DTC P2432: Secondary Air Injection System Air Flow / Pressure Sensor Circuit Low Bank1; DTC P2433: Secondary Air Injection System Air Flow / Pressure Sensor Circuit High Bank1
P2433	Secondary Air Injection System Air Flow / Pressure Sensor Circuit High Bank1	- Same as DTC P2430	Comes on	DTC stored	Refer to DTC P2431: Secondary Air Injection System Air Flow / Pressure Sensor Circuit Range / Performance Bank1; DTC P2432: Secondary Air Injection System Air Flow / Pressure Sensor Circuit Low Bank1; DTC P2433: Secondary Air Injection System Air Flow / Pressure Sensor Circuit High Bank1
P2440	Secondary Air Injection System Switching Valve Stuck Open Bank1	- Air switching valve - Open or short in air switching valve circuit - Pressure sensor - Pressure sensor circuit - Air injection control driver - ECM	Comes on	DTC stored	Refer to DTC P2440: Secondary Air Injection System Switching Valve Stuck Open Bank1; DTC P2441: Secondary Air Injection System Switching Valve Stuck Close Bank1
P2441	Secondary Air Injection System Switching Valve Stuck Close Bank1	- Air switching valve - Open or short in air switching valve circuit - Vacuum hose (air switching valve - pressure sensor) - Air injection hose - Pressure sensor - Pressure sensor circuit - Air injection control driver - ECM	Comes on	DTC stored	Refer to DTC P2440: Secondary Air Injection System Switching Valve Stuck Open Bank1; DTC P2441: Secondary Air Injection System Switching Valve Stuck Close Bank1
P2444	Secondary Air Injection System Pump Stuck On Bank1	- Short in air pump circuit - Open or short in pressure sensor circuit - Pressure sensor - Air injection control driver - ECM	Comes on	DTC stored	Refer to DTC P2444: Secondary Air Injection System Pump Stuck On Bank1; DTC P2445: Secondary Air Injection System Pump Stuck Off Bank1
P2445	Secondary Air Injection System Pump Stuck Off Bank1	- Air pump - Open in air pump circuit - Air injection system piping - Vacuum hose (pressure sensor - air switching valve) - Pressure sensor - Open or short in pressure sensor circuit - Air injection control driver - ECM	Comes on	DTC stored	Refer to DTC P2444: Secondary Air Injection System Pump Stuck On Bank1; DTC P2445: Secondary Air Injection System Pump Stuck Off Bank1
P2610	ECM / PCM Internal Engine Off Timer Performance	- ECM	Comes on	DTC stored	Refer to DTC P2610: ECM / PCM Internal Engine Off Timer Performance