LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Scion >> 2010 >> tC Automatic >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Diagnostics - Introduction) >> SFI System >> Diagnostic Trouble Code Chart >> Diagnostic Trouble Code Chart
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Trouble Code Chart

HINT: 

Parameters listed in the chart may not be exactly the same as your readings due to the type of instrument or other factors.

If a DTC is displayed, check the trouble area for the DTC listed in the table below. For details of each DTC, refer to the appropriate service information indicated.

SFI SYSTEM

DTC Code Detection Item Trouble Area MIL Memory See
P0010 Camshaft Position "A" Actuator Circuit (Bank 1) 1. Open or short in Oil Control Valve (OCV) circuit
2. OCV
3. 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) 1. Valve timing
2. OCV
3. OCV filter
4. Camshaft timing gear assembly
5. 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) 1. Mechanical system (Timing chain has jumped tooth or chain stretched)
2. OCV
3. Camshaft timing gear assembly
4. ECM		 Comes on DTC stored Refer to DTC P0016: Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)
P0031 Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 1) 1. Open in Air-Fuel Ratio (A/F) sensor heater circuit
2. A/F sensor (sensor 1) heater
3. EFI relay
4. ECM		 Comes on DTC stored Refer to DTC P0031: Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 1); DTC P0032: Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 1)
P0032 Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 1) 1. Short in A/F sensor heater circuit
2. A/F sensor (sensor 1) heater
3. EFI relay
4. ECM		 Comes on DTC stored Refer to DTC P0031: Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 1); DTC P0032: Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 1)
P0037 Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2) 1. Open in Heated Oxygen (HO2) sensor heater circuit
2. HO2 sensor heater (sensor 2)
3. EFI relay
4. 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) 1. Short in HO2 sensor heater circuit
2. HO2 sensor heater (sensor 2)
3. EFI relay
4. 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)
P0100 Mass or Volume Air Flow Circuit 1. Open or short in Mass Air Flow (MAF) meter circuit
2. MAF meter
3. ECM		 Comes on DTC stored Refer to DTC P0100: Mass or Volume Air Flow Circuit; DTC P0102: Mass or Volume Air Flow Circuit Low Input; DTC P0103: Mass or Volume Air Flow Circuit High Input
P0101 Mass or Volume Air Flow Circuit Range / Performance Problem 1. MAF meter
2. Air induction system
3. PCV hose connections		 Comes on DTC stored Refer to DTC P0101: Mass or Volume Air Flow Circuit Range / Performance Problem
P0102 Mass or Volume Air Flow Circuit Low Input 1. Open in MAF meter circuit
2. MAF meter
3. ECM		 Comes on DTC stored Refer to DTC P0100: Mass or Volume Air Flow Circuit; 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 1. Short in MAF meter circuit
2. MAF meter
3. ECM		 Comes on DTC stored Refer to DTC P0100: Mass or Volume Air Flow Circuit; DTC P0102: Mass or Volume Air Flow Circuit Low Input; DTC P0103: Mass or Volume Air Flow Circuit High Input
P0110 Intake Air Temperature Circuit 1. Open or short in Intake Air Temperature (IAT) sensor circuit
2. IAT sensor (built into MAF meter)
3. ECM		 Comes on DTC stored Refer to DTC P0110: Intake Air Temperature Circuit; DTC P0112: Intake Air Temperature Circuit Low Input; DTC P0113: Intake Air Temperature 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 1. Short in IAT sensor circuit
2. IAT sensor (built into MAF meter)
3. ECM		 Comes on DTC stored Refer to DTC P0110: Intake Air Temperature Circuit; DTC P0112: Intake Air Temperature Circuit Low Input; DTC P0113: Intake Air Temperature Circuit High Input
P0113 Intake Air Temperature Circuit High Input 1. Open in IAT sensor circuit
2. IAT sensor (built into MAF meter)
3. ECM		 Comes on DTC stored Refer to DTC P0110: Intake Air Temperature Circuit; DTC P0112: Intake Air Temperature Circuit Low Input; DTC P0113: Intake Air Temperature Circuit High Input
P0115 Engine Coolant Temperature Circuit 1. Open or short in Engine Coolant Temperature (ECT) sensor circuit
2. ECT sensor
3. 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 ECT sensor Comes on DTC stored Refer to DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem
P0117 Engine Coolant Temperature Circuit Low Input 1. Short in ECT sensor circuit
2. ECT sensor
3. 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 1. Open in ECT sensor circuit
2. ECT sensor
3. 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 1. IAT sensor (built into MAF meter)
2. ECT sensor
3. ECM		 Comes on DTC stored Refer to DTC P011B: Engine Coolant Temperature / Intake Air Temperature Correlation
P0120 Throttle / Pedal Position Sensor / Switch "A" Circuit 1. Throttle position sensor (built into throttle body)
2. 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 1. Throttle position sensor (built into throttle body)
2. Throttle position sensor circuit
3. 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 1. Throttle position sensor (built into throttle body)
2. Short in VTA1 circuit
3. Open in VC circuit
4. 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 1. Throttle position sensor (built into throttle body)
2. Open in VTA1 circuit
3. Open in E2 circuit
4. Short between VC and VTA1 circuit
5. 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 1. Cooling system
2. ECT sensor
3. 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) 1. Thermostat
2. Cooling system
3. ECT sensor
4. 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) 1. HO2 sensor (sensor 2)
2. HO2 sensor heater (sensor 2)
3. A/F sensor (sensor 1)
4. Gas leakage from exhaust system
5. Fuel pressure
6. PCV valve and hose
7. Air induction 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) 1. Open in HO2 sensor (sensor 2) circuit
2. HO2 sensor (sensor 2)
3. HO2 sensor heater (sensor 2)
4. A/F sensor (sensor 1 )
5. Gas leakage 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) 1. Short in HO2 sensor (sensor 2) circuit
2. HO2 sensor (sensor 2)
3. ECM internal circuit malfunction
4. A/F sensor (sensor 1)		 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) 1. Short in HO2 sensor (sensor 2) circuit
2. HO2 sensor (sensor 2)
3. ECM internal circuit malfunction		 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) 1. Open or short in HO2 sensor heater circuit
2. HO2 sensor heater (sensor 2)
3. EFI relay
4. 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)
P0171 System Too Lean (Bank 1) 1. Air induction system
2. Injector blockage
3. MAF meter
4. ECT sensor
5. Fuel pressure
6. Gas leakage from exhaust system
7. Open or short in A/F sensor (sensor 1) circuit
8. A/F sensor (sensor 1)
9. A/F sensor heater (sensor 1)
10. EFI relay
11. A/F sensor heater and EFI relay circuits
12. PCV valve and hose
13. PCV hose connections
14. ECM		 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) 1. Injector leakage or blockage
2. MAF meter
3. ECT sensor
4. Ignition system
5. Fuel pressure
6. Gas leakage from exhaust system
7. Open or short in A/F sensor (sensor 1) circuit
8. A/F sensor (sensor 1)
9. A/F sensor heater (sensor 1)
10. EFI relay
11. A/F sensor heater and EFI relay circuits
12. ECM		 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 1. Throttle position sensor (built into throttle body)
2. 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 1. Throttle position sensor (built into throttle body)
2. Short in VTA2 circuit
3. Open in VC circuit
4. 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 1. Throttle position sensor (built into throttle body)
2. Open in VTA2 circuit
3. Open in E2 circuit
4. Short between VC and VTA2 circuit
5. 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 1. Open or short in engine wire harness
2. Connector connection
3. Vacuum hose connection
4. Ignition system
5. Injector
6. Fuel pressure
7. MAF meter
8. ECT sensor
9. Compression pressure
10. Valve clearance
11. Valve timing
12. PCV valve and hose
13. PCV hose connections
14. ECM		 Comes on 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 Blinks 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 Blinks 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 Blinks 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 Blinks 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) 1. Short in knock sensor circuit
2. Knock sensor
3. 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) 1. Open in knock sensor circuit
2. Knock sensor
3. 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 1. Open or short in Crankshaft Position (CKP) sensor circuit
2. CKP sensor
3. Sensor plate (CKP sensor plate)
4. 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 DTC 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) 1. Open or short in Camshaft Position (CMP) sensor circuit
2. CMP sensor
3. Camshaft
4. Jumped tooth of timing chain
5. 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 1. Ignition system
2. Open or short in IGF1 or IGT1 circuit between ignition coil and ECM
3. No. 1 ignition coil with igniter
4. 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 1. Ignition system
2. Open or short in IGF1 or IGT2 circuit between ignition coil and ECM
3. No. 2 ignition coil with igniter
4. 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 1. Ignition system
2. Open or short in IGF1 or IGT3 circuit between ignition coil and ECM
3. No. 3 ignition coil with igniter
4. 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 1. Ignition system
2. Open or short in IGF1 or IGT4 circuit between ignition coil and ECM
3. No. 4 ignition coil with igniter
4. 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) 1. Gas leakage from exhaust system
2. A/F sensor (sensor 1)
3. Heated oxygen sensor (sensor 2)
4. Exhaust manifold converter sub-assembly (TWC: Front catalyst)
5. 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 1. Canister pump module
2. Connector/Wire harness (Canister pump module - ECM)
3. 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 System Leak Detection Pump Control Circuit Low; DTC P2402: Evaporative Emission System Leak Detection Pump Control Circuit High; 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 Reference Orifice Clog Up; DTC P043F: Evaporative Emission System Reference Orifice High Flow; DTC P2401: Evaporative Emission System Leak Detection Pump Control Circuit Low; DTC P2402: Evaporative Emission System Leak Detection Pump Control Circuit High; DTC P2419: Evaporative Emission System Switching Valve Control Circuit Low
P0441 Evaporative Emission Control System Incorrect Purge Flow 1. Purge VSV
2. Connector/wire harness (purge VSV-ECM)
3. ECM
4. Canister pump module
5. Leakage from EVAP system		 Comes on DTC stored Refer to DTC P0441: Evaporative Emission Control System Incorrect Purge Flow
P0450 Evaporative Emission Control System Pressure Sensor / Switch 1. Canister pump module
2. ECM		 Comes on DTC stored Refer to DTC P0450: Evaporative Emission Control System Pressure Sensor / Switch; 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
P0451 Evaporative Emission Control System Pressure Sensor Range / Performance 1. Canister pump module
2. Connector/wire harness (canister pump module - ECM)
3. ECM		 Comes on DTC stored Refer to DTC P0450: Evaporative Emission Control System Pressure Sensor / Switch; 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 1. Canister pump module
2. Connector/wire harness (canister pump module - ECM)
3. ECM		 Comes on DTC stored Refer to DTC P0450: Evaporative Emission Control System Pressure Sensor / Switch; 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 1. Canister pump module
2. Connector/wire harness (canister pump module - ECM)
3. ECM		 Comes on DTC stored Refer to DTC P0450: Evaporative Emission Control System Pressure Sensor / Switch; 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) 1. Fuel tank cap (loose)
2. Leakage from EVAP line (canister - fuel tank)
3. Leakage from EVAP line (purge VSV - canister)
4. Canister pump module
5. Leakage from fuel tank
6. 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" 1. Open or short in vehicle speed sensor circuit
2. Vehicle speed sensor
3. Combination meter
4. ECM
5. Skid control ECU		 Comes on DTC stored Refer to DTC P0500: Vehicle Speed Sensor "A"
P0504 Brake Switch "A" / "B" Correlation 1. Short in stop light switch signal circuit
2. STOP fuse
3. Stop light switch
4. ECM		 - DTC stored Refer to DTC P0504: Brake Switch "A" / "B" Correlation
P0505 Idle Control System Malfunction 1. Electronic Throttle Control System (ETCS)
2. Air induction system
3. PCV hose connections
4. ECM		 Comes on DTC stored Refer to DTC P0505: Idle Control System Malfunction
P050A Cold Start Idle Air Control System Performance 1. Throttle body assembly
2. MAF meter
3. Air induction system
4. PCV hose connections
5. VVT system
6. Air cleaner filter element
7. ECM		 Comes on DTC stored Refer to DTC P050A: Cold Start Idle Air Control System Performance
P0560 System Voltage 1. Open in backup power source circuit
2. EFI fuse
3. ECM		 Comes on DTC stored Refer to DTC P0560: System Voltage
P0604 Internal Control Module Random Access Memory (RAM) Error ECM Comes on DTC stored Refer to DTC P0604: Internal Control Module Random Access Memory (RAM) Error
P0606 ECM / PCM Processor 1. Exhaust gas leak
2. HO2 sensor
3. ECM		 Comes on DTC stored Refer to DTC P0606: ECM / PCM Processor
P0607 Control Module Performance ECM Comes on DTC stored Refer to DTC P0607: Control Module Performance
P0617 Starter Relay Circuit High 1. PNP switch (A/T)
2. Clutch pedal switch (M/T)
3. Starter relay circuit
4. Ignition switch
5. ECM		 Comes on DTC stored Refer to DTC P0617: Starter Relay Circuit High
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 1. Short in stop light switch signal circuit
2. Stop light switch
2. ECM		 Comes on DTC stored Refer to DTC P0724: Brake Switch "B" Circuit High
P2102 Throttle Actuator Control Motor Circuit Low 1. Open in throttle actuator circuit
2. Throttle actuator
3. 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 1. Short in throttle actuator circuit
2. Throttle actuator
3. Throttle valve
4. Throttle body assembly
5. ECM		 Comes on DTC stored Refer to DTC P2102: Throttle Actuator Control Motor Circuit Low; DTC P2103: Throttle Actuator Control Motor Circuit High
P2111 Throttle Actuator Control System - Stuck Open 1. Throttle actuator
2. Throttle body assembly
3. Throttle valve
4. 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 Same as DTC P2111 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 1. Open in ETCS power source circuit
2. Battery
3. Battery terminals
4. ETCS fuse
5. ECM		 Comes on DTC stored Refer to DTC P2118: Throttle Actuator Control Motor Current Range / Performance
P2119 Throttle Actuator Control Throttle Body Range / Performance 1. ETCS
2. ECM		 Comes on DTC stored Refer to DTC P2119: Throttle Actuator Control Throttle Body Range / Performance
P2120 Throttle / Pedal Position Sensor / Switch "D" Circuit 1. Accelerator Pedal Position (APP) sensor
2. 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 1. APP sensor
2. 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 1. APP sensor
2. Open in VCP1 circuit
3. Open or ground short in VPA1 circuit
4. 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 1. APP sensor
2. Open in EPA circuit
3. 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 1. APP sensor
2. 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 1. APP sensor
2. Open in VCP2 circuit
3. Open or ground short in VPA2 circuit
4. 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 1. APP sensor
2. Open in EPA2 circuit
3. 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 1. Short between VTA1 and VTA2 circuits
2. Throttle position sensor (built into throttle body)
3. 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 1. Short between VPA1 and VPA2 circuits
2. APP sensor
3. 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) 1. Open or short in A/F sensor (sensor 1) circuit
2. A/F sensor (sensor 1)
3. A/F sensor (sensor 1) heater
4. EFI relay
5. A/F sensor heater and relay circuits
6. Air induction system
7. Fuel pressure
8. Injector
9. 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) 1. Open or short in A/F sensor (sensor 1) circuit
2. A/F sensor (sensor 1)
3. 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 System Leak Detection Pump Control Circuit Low 1. Canister pump module
2. Connector/wire harness (canister pump module - ECM)
3. 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 System Leak Detection Pump Control Circuit Low; DTC P2402: Evaporative Emission System Leak Detection Pump Control Circuit High; DTC P2419: Evaporative Emission System Switching Valve Control Circuit Low
P2402 Evaporative Emission System Leak Detection Pump Control Circuit High Same as DTC P2401 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 System Leak Detection Pump Control Circuit Low; DTC P2402: Evaporative Emission System Leak Detection Pump Control Circuit High; 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 Reference Orifice Clog Up; DTC P043F: Evaporative Emission System Reference Orifice High Flow; DTC P2401: Evaporative Emission System Leak Detection Pump Control Circuit Low; DTC P2402: Evaporative Emission System Leak Detection Pump Control Circuit High; DTC P2419: Evaporative Emission System Switching Valve Control Circuit Low
P2420 Evaporative Emission System Switching Valve Control Circuit High 1. Canister pump module (0.02 inch orifice, vacuum pump, vent valve)
2. Connector/wire harness (canister pump module - ECM)
3. ECM		 Comes on DTC stored Refer to DTC P2420: Evaporative Emission System Switching Valve Control Circuit High
P2610 ECM / PCM Internal Engine Off Timer Performance ECM Comes on DTC stored Refer to DTC P2610: ECM / PCM Internal Engine Off Timer Performance
P2A00 A/F Sensor Circuit Slow Response (Bank 1 Sensor 1) 1. Open or short in A/F sensor (sensor 1) circuit
2. A/F sensor (sensor 1)
3. A/F sensor (sensor 1 ) heater
4. EFI relay
5. A/F sensor heater and EFI relay circuits
6. Air induction system
7. Fuel pressure
8. Injector
9. PCV valve and hose
10. PCV hose connection
11. ECM		 Comes on DTC stored Refer to DTC P2A00: A/F Sensor Circuit Slow Response (Bank 1 Sensor 1)
scientia non olet · About LEMON Manuals