Diagnostic Trouble Code Chart

HINT:

Parameters listed in the chart may be different from 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 article indicated.

SFI SYSTEM

DTC Code	Detection Item	Trouble Area	MIL	Memory	See
P0010	Camshaft Position "A" Actuator Circuit (Bank 1)	-Open or short in Camshaft Timing Oil Control Valve (OCV) circuit -OCV -ECM	Comes on	DTC stored	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 (OCV) -OCV 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)	-Valve timing -Camshaft Timing Oil Control Valve (OCV) -OCV 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)
P0016	Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)	-Mechanical system (Timing chain has jumped tooth or chain stretched) -Camshaft Timing Oil Control Valve (OCV) -Camshaft timing gear assembly -ECM	Comes on	DTC stored	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 (A/F) sensor heater circuit -A/F sensor heater (sensor 1) -ECM power source circuit -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 (A/F) sensor heater circuit -A/F sensor heater (sensor 1) -ECM power source circuit -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 in Heated Oxygen (HO2) sensor (sensor 2) heater circuit -HO2 sensor (sensor 2) heater -ECM power source circuit -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)	-Short in Heated Oxygen (HO2) sensor (sensor 2) heater circuit -HO2 sensor (sensor 2) heater -ECM power source circuit -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)
P0101	Mass Air Flow Circuit Range / Performance Problem	-Mass Air Flow (MAF) 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 (MAF) meter circuit -MAF 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	-Open or short in Mass Air Flow (MAF) meter circuit -MAF 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
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 (IAT) sensor circuit -IAT 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 (IAT) sensor circuit -IAT 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 Malfunction	-Open or short in Engine Coolant Temperature (ECT) sensor circuit -ECT sensor -ECM	Comes on	DTC stored	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 (ECT) 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 (ECT) sensor circuit -ECT sensor -ECM	Comes on	DTC stored	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 (ECT) sensor circuit -ECT sensor -ECM	Comes on	DTC stored	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 (IAT) sensor -Engine Coolant Temperature (ECT) 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	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	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	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	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	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)	-Heated Oxygen (HO2) sensor (sensor 2) -Air Fuel Ratio (A/F) sensor (sensor 1) -Gas leak from exhaust system -Fuel pressure -Fuel injector -PCV valve and hose -Intake 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 (HO2) sensor (sensor 2) circuit -HO2 sensor (sensor 2) -HO2 sensor heater (sensor 2) -Air Fuel Ratio (A/F) sensor (sensor 1) -Gas leak from exhaust system	Comes on	DTC stored	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 (HO2) sensor (sensor 2) circuit -HO2 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)
P0139	Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 2)	-Short in Heated Oxygen (HO2) sensor (sensor 2) circuit -HO2 sensor (sensor 2) -ECM -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)
P0141	Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)	-Open or short in Heated Oxygen (HO2) sensor (sensor 2) heater circuit -HO2 sensor (sensor 2) heater -ECM power source circuit -ECM	Comes on	DTC stored	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 (A/F) sensor (sensor 1) -A/F sensor (sensor 1) 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	-Air Fuel Ratio (A/F) sensor (sensor 1) -A/F sensor (sensor 1) 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
P015A	A/F Sensor Delayed Response - Rich to Lean Bank 1 Sensor 1	-Air Fuel Ratio (A/F) sensor (sensor 1) -A/F sensor (sensor 1) 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
P015B	A/F Sensor Delayed Response - Lean to Rich Bank 1 Sensor 1	-Air Fuel Ratio (A/F) sensor (sensor 1) -A/F sensor (sensor 1) 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
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 -Air Fuel Ratio (A/F) sensor (sensor 1) -Open or short in A/F sensor (sensor 1) circuit -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 leak or blockage -Mass air flow meter -Engine coolant temperature sensor -Ignition system -Fuel pressure -Gas leak from exhaust system -Air Fuel Ratio (A/F) sensor (sensor 1) -Open or short in A/F sensor (sensor 1) circuit -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 body) -ECM	Comes on	DTC stored	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	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	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 (MAF) meter -Engine Coolant Temperature (ECT) sensor -Compression pressure -Valve timing -PCV valve and hose -PCV hose connections -Intake system -ECM	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 (CKP) sensor circuit -CKP sensor -Crankshaft position 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	-Open or short in Crankshaft Position (CKP) sensor circuit -CKP sensor -Crankshaft position sensor plate -ECM	-	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 (CMP) sensor circuit -CMP 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 and ECM -No. 1 ignition coil -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 and ECM -No. 2 ignition coil -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 and ECM -No. 3 ignition coil -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 and ECM -No. 4 ignition coil -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
P0420	Catalyst System Efficiency Below Threshold (Bank 1)	-Gas leak from exhaust system -Air Fuel Ratio (A/F) sensor (sensor 1) -Heated Oxygen (HO2) sensor (sensor 2) -Exhaust manifold converter sub-assembly (TWC: Front catalyst) -Center exhaust pipe assembly (TWC: Rear catalyst)	Comes on	DTC stored	Refer to DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1)
P043E	Evaporative Emission System Reference Orifice Clog Up	-Canister pump module -Connector/wire harness (Canister pump module - ECM) -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 -Connector/wire harness (Canister pump module - ECM) -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 -Purge line -Connector/wire harness (Purge VSV - ECM) -ECM -Canister pump module -Canister (filter inside canister clogged) -Leak 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) -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 -Brake actuator assembly -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 -IGN fuse -Stop light switch -ECM	-	DTC stored	Refer to DTC P0504: Brake Switch "A" / "B" Correlation
P0505	Idle Control System Malfunction	-ETCS (Electronic Throttle Control System) -Intake system -PCV hose connections -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 system -Air cleaner filter element -Intake system -VVT system -ECM -Wire harness or connector	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 element -Intake system -VVT system -ECM -Wire harness or connector	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 MAIN 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 / PCM Processor	-ECM	Comes on	DTC stored	Refer to DTC P0606: ECM / PCM Processor
P0607	Control Module Performance	-Exhaust gas leak -Heated Oxygen (HO2) 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	-Clutch start switch2 -Park/Neutral Position (PNP) switch3 -ST 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
P1603*3	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 (A/F) sensor (sensor 1) -Power supply circuit (purge VSV, fuel injector assembly, ignition coil) -Fuel pump -Fuel pump control system -Fuel line (fuel filter, pipes and hoses) -Throttle body -Camshaft timing oil control valve -Air conditioning system -Power steering system -Electrical load signal system -A/T system -Park/neutral position switch -ECM	-	DTC stored	Refer to DTC P1603: Engine Stall History; DTC P1605: Rough Idling
P1604	Startability Malfunction	-Engine assembly (excess friction, compression loss) -Starter -Crankshaft position sensor -Camshaft position sensor -Engine coolant temperature sensor -Fuel pump -Fuel pump control system -Fuel line (fuel filter, pipes and hoses) -Fuel injector -Throttle body -Fuel pressure regulator -Battery -Drive plate (flywheel) -Spark plug -Ignition coil circuit -Intake system -Camshaft timing oil control valve -Mass air flow meter -Air Fuel Ratio (A/F) sensor (sensor 1) -Valve timing -Fuel -Purge VSV -Intake valve -Immobilizer system (w/immobilizer system) -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 (A/F) sensor (sensor 1) -Power supply circuit (purge VSV, fuel injector, ignition coil) -Fuel pump -Fuel pump control system -Fuel line (fuel filter, pipes and hoses) -Throttle body -Camshaft timing oil control valve -Knock sensor -Ignition coil -Fuel injector -Spark plug(s) -Air conditioning system -Power steering system -Electrical load signal system -A/T system3 -Park/neutral position switch3 -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
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 -ECM	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 -ECM	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 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) -Wire harness or connector -ECM	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 (APP) 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 (APP) 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 (APP) 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 (APP) 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 (APP) 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 (APP) 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 (APP) 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 circuits -Throttle position sensor (built into throttle body) -ECM	Comes on	DTC stored	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 (APP) 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 (A/F) sensor (sensor 1) circuit -A/F sensor (sensor 1) -A/F sensor (sensor 1) heater -A/F 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 (A/F) sensor (sensor 1) circuit -A/F sensor (sensor 1) -A/F sensor (sensor 1) heater -A/F 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 (A/F) sensor (sensor 1) circuit -A/F sensor (sensor 1) -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)	-Open or short in Air Fuel Ratio (A/F) sensor (sensor 1) circuit -A/F sensor (sensor 1) -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)
P2239	Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1)	-Open or short in Air Fuel Ratio (A/F) sensor (sensor 1) circuit -A/F sensor (sensor 1) -ECM	Comes on	DTC stored	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 (A/F) sensor (sensor 1) circuit -A/F sensor (sensor 1) -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)
P2253	Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1)	-Open or short in Air Fuel Ratio (A/F) sensor (sensor 1) circuit -A/F sensor (sensor 1) -ECM	Comes on	DTC stored	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 -Connector/wire harness (Canister pump module - ECM) -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 -Connector/wire harness (Canister pump module - ECM) -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 -Connector/wire harness (Canister pump module - ECM) -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) -Canister (filter inside canister clogged) -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

HINT:

*1: MIL flashes when a catalyst damaged misfire is detected.
*2: for M/T Models
*3: for A/T Models