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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 displayed during a check mode, check the circuit for the DTCs listed in the below. For details of each DTC, refer to the link indicated.

SFI SYSTEM 

DIAGNOSTIC TROUBLE CODE CHART

DTC No. Detection Item Trouble Area MIL Memory Proceed to
P0010 Camshaft Position "A" Actuator Circuit (Bank 1)
  1. Open or short in OCV (bank 1) circuit
  2. OCV (bank 1)
  3. ECM
 Come on DTC Stored P0010 
P0011 Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1)
  1. Valve timing
  2. OCV (bank 1)
  3. Camshaft timing gear assembly
  4. ECM
 Come on DTC Stored P0011 
P0012 Camshaft Position "A" - Timing Over-Retarded (Bank 1)
  1. Valve timing
  2. OCV (bank 1)
  3. Camshaft timing gear assembly
  4. ECM
 Come on DTC Stored P0012 
P0016 Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)
  1. Mechanical system (Timing belt has jumped tooth, belt is stretched)
  2. ECM
 Come on DTC Stored P0016 
P0018 Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor A)
  1. Mechanical system (Timing belt has jumped tooth, belt is stretched)
  2. ECM
 Come on DTC Stored P0018 
P0020 Camshaft Position "A" Actuator Circuit (Bank 2)
  1. Open or short in OCV (bank 2) circuit
  2. OCV (bank 2)
  3. ECM
 Come on DTC Stored P0020 
P0021 Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 2)
  1. Valve timing
  2. OCV (bank 2)
  3. Camshaft timing gear assembly
  4. ECM
 Come on DTC Stored P0021 
P0022 Camshaft Position "A" - Timing Over-Retarded (Bank 2)
  1. Valve timing
  2. OCV (bank 2)
  3. Camshaft timing gear assembly
  4. ECM
 Come on DTC Stored  
P0022 
P0031
(1)		 Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)
  1. Open or short in heater circuit of A/F sensor
  2. A/F sensor heater (bank 1 sensor 1)
  3. A/F relay
  4. ECM
 Come on DTC Stored P0031 
P0032
(1)		 Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1)
  1. Open or short in heater circuit of A/F sensor
  2. A/F sensor heater (bank 1 sensor 1)
  3. A/F relay
  4. ECM
 Come on DTC Stored  
P0032 
P0037 Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2)
  1. Open or short in heater circuit of heated oxygen sensor
  2. Heated oxygen sensor heater (bank 1 sensor 2)
  3. EFI MAIN relay
  4. ECM
 Come on DTC Stored P0037 
P0038 Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2)
  1. Open or short in heater circuit of heated oxygen sensor
  2. Heated oxygen sensor heater (bank 1 sensor 2)
  3. EFI MAIN relay
  4. ECM
 Come on DTC Stored  
P0038 
P0051
(1)		 Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 2 Sensor 1)
  1. Open or short in heater circuit of A/F sensor
  2. A/F sensor heater (bank 2 sensor 1)
  3. A/F relay
  4. ECM
 Come on DTC Stored P0051 
P0052
(1)		 Oxygen (A/F) Sensor Heater Control Circuit High (Bank 2 Sensor 1)
  1. Open or short in heater circuit of A/F sensor
  2. A/F sensor heater (bank 2 sensor 1)
  3. A/F relay
  4. ECM
 Come on DTC Stored P0052 
P0057 Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 2)
  1. Open or short in heater circuit of A/F sensor
  2. A/F sensor heater (bank 2 sensor 2)
  3. A/F relay
  4. ECM
 Come on DTC Stored P0057 
P0058 Oxygen Sensor Heater Control Circuit High (Bank 2 Sensor 2)
  1. Open or short in heater circuit of A/F sensor
  2. A/F sensor heater (bank 2 sensor 2)
  3. A/F relay
  4. ECM
 Come on DTC Stored P0058 
P0100 Mass or Volume Air Flow Circuit
  1. Open or short in MAF meter circuit
  2. MAF meter
  3. ECM
 Come on DTC Stored P0100 
P0101 Mass Air Flow Circuit Range / Performance Problem MAF meter Come on DTC Stored P0101 
P0102 Mass or Volume Air Flow Circuit Low Input
  1. Open or short in MAF meter circuit
  2. MAF meter
  3. ECM
 Come on DTC Stored P0102 
P0103 Mass or Volume Air Flow Circuit High Input
  1. Open or short in MAF meter circuit
  2. MAF meter
  3. ECM
 Come on DTC Stored P0103 
P0110 Intake Air Temperature Circuit Malfunction
  1. Open or short in IAT sensor circuit
  2. IAT sensor (built in MAF meter)
  3. ECM
 Come on DTC Stored P0110 
P0112 Intake Air Temperature Circuit Low Input
  1. Short in IAT sensor circuit
  2. IAT sensor (built in MAF meter)
  3. ECM
 Come on DTC Stored P0112 
P0113 Intake Air Temperature Circuit High Input
  1. Open in IAT sensor circuit
  2. IAT sensor (built in MAF meter)
  3. ECM
 Come on DTC Stored P0113 
P0115 Engine Coolant Temperature Circuit Malfunction
  1. Open or short in ECT sensor circuit
  2. ECT sensor
  3. ECM
 Come on DTC Stored P0115 
P0116 Engine Coolant Temperature Circuit Range / Performance Problem
  1. Thermostat
  2. ECT sensor
 Come on DTC Stored P0116 
P0117 Engine Coolant Temperature Circuit Low Input
  1. Short in ECT sensor circuit
  2. ECT sensor
  3. ECM
 Come on DTC Stored P0117 
P0118 Engine Coolant Temperature Circuit High Input
  1. Open in ECT sensor circuit
  2. ECT sensor
  3. ECM
 Come on DTC Stored P0118 
P0120 Throttle Pedal Position Sensor / Switch "A" Circuit Malfunction
  1. Throttle position sensor (built in throttle body)
  2. ECM
 Come on DTC Stored P0120 
P0121 Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem Throttle position sensor (built in throttle body) Come on DTC Stored P0121 
P0122 Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input
  1. Throttle position sensor (built in throttle body)
  2. Short in VTA1 circuit
  3. Open in VC circuit
  4. ECM
 Come on DTC Stored P0122 
P0123 Throttle / Pedal Position Sensor / Switch "A" Circuit High Input
  1. Throttle position sensor (built in throttle body)
  2. Open in VTA1 circuit
  3. Open in E2 circuit
  4. Short in VC and VTA1 circuits
  5. ECM
 Come on DTC Stored P0123 
P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control
  1. Cooling system
  2. ECT sensor
  3. Thermostat
 Come on DTC Stored P0125 
P0128 Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
  1. Thermostat (water inlet)
  2. Cooling system
  3. ECT sensor
  4. ECM
 Come on DTC Stored P0128 
P0136 Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
  1. Open or short in heated oxygen sensor circuit
  2. Heated oxygen sensor (bank 1)
  3. Heated oxygen sensor heater (bank 1)
  4. A/F sensor (bank 1)
  5. A/F sensor heater (bank 1)
  6. EFI MAIN relay (bank 1)
 Come on DTC Stored P0136 
P0137 Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2)
  1. Heated oxygen sensor circuit (bank 1)
  2. Heated oxygen sensor (bank 1)
  3. Oxygen sensor heater (bank 1)
 Come on DTC Stored P0137 
P0138 Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2)
  1. Heated oxygen sensor circuit (bank 1)
  2. Heated oxygen sensor (bank 1)
  3. Oxygen sensor heater (bank 1)
 Come on DTC Stored P0138 
P0139 Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 2)
  1. Short in heated oxygen sensor (bank 1 sensor 2) circuit
  2. Short in heated oxygen sensor (bank 1 sensor 2)
  3. ECM internal circuit malfunction
 Come on DTC Stored P0139 
P0156 Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 2)
  1. Heated oxygen sensor circuit (bank 2)
  2. Heated oxygen sensor (bank 2)
  3. Heated oxygen sensor heater (bank 2)
  4. A/F sensor (bank 2)
  5. A/F sensor heater (bank 2)
 Come on DTC Stored P0156 
P0157 Oxygen Sensor Circuit Low Voltage (Bank 2 Sensor 2)
  1. Heated oxygen sensor circuit (bank 2)
  2. Heated oxygen sensor (bank 2)
  3. Oxygen sensor heater (bank 2)
 Come on DTC Stored P0157 
P0158 Oxygen Sensor Circuit High Voltage (Bank 2 Sensor 2)
  1. Heated oxygen sensor circuit (bank 2)
  2. Heated oxygen sensor (bank 2)
  3. Oxygen sensor heater (bank 2)
 Come on DTC Stored P0158 
P0159 Oxygen Sensor Circuit Slow Response (Bank 2 Sensor 2)
  1. Short in heated oxygen sensor (bank 2 sensor 2) circuit
  2. Short in heated oxygen sensor (bank 2 sensor 2)
  3. ECM internal circuit malfunction
 Come on DTC Stored P0159 
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 in exhaust system
  7. Open or short in A/F sensor (bank 1 sensor 1) circuit
  8. A/F sensor (bank 1 sensor 1)
  9. A/F sensor heater (bank 1 sensor 1)
  10. A/F relay
  11. A/F sensor heater and A/F relay circuit
  12. PCV value and hose
  13. PCV hose connection
  14. ECM
 Come on DTC Stored P0171 
P0172 System Too Rich (Bank 1)
  1. Injection leak, blockage
  2. MAF meter
  3. ECT sensor
  4. Ignition system
  5. Fuel pressure
  6. Gas leakage in exhaust system
  7. Open or short in A/F sensor (bank 1 sensor 1) circuit
  8. A/F sensor (bank 1 sensor 1)
  9. A/F sensor heater (bank 1 sensor 1)
  10. A/F relay
  11. A/F sensor heater and A/F relay circuits
  12. ECM
 Come on DTC Stored P0172 
P0174 System Too Lean (Bank 2)
  1. Air induction system
  2. Injector blockage
  3. MAF meter
  4. ECT sensor
  5. Fuel pressure
  6. Gas leakage in exhaust system
  7. Open or short in A/F sensor (bank 2 sensor 1) circuit
  8. A/F sensor (bank 2 sensor 1)
  9. A/F sensor heater (bank 2 sensor 1)
  10. A/F relay
  11. A/F sensor heater and A/F relay circuit
  12. PCV value and hose
  13. PCV hose connection
  14. ECM
 Come on DTC Stored P0174 
P0175 System Too Rich (Bank 2)
  1. Injection leak, blockage
  2. MAF meter
  3. ECT sensor
  4. Ignition system
  5. Fuel pressure
  6. Gas leakage in exhaust system
  7. Open or short in A/F sensor (bank 2 sensor 1) circuit
  8. A/F sensor (bank 2 sensor 1)
  9. A/F sensor heater (bank 2 sensor 1)
  10. A/F relay
  11. A/F sensor heater and A/F relay circuits
  12. ECM
 Come on DTC Stored P0175 
P0220 Throttle / Pedal Position Sensor / Switch "B" Circuit
  1. Throttle position sensor (built in throttle body)
  2. ECM
 Come on DTC Stored P0220 
P0222 Throttle / Pedal Position Sensor / Switch "B" Circuit Low Input
  1. Throttle position sensor (built in throttle body)
  2. Short in VTA2 circuit
  3. Open in VC circuit
  4. ECM
 Come on DTC Stored P0222 
P0223 Throttle / Pedal Position Sensor / Switch "B" Circuit High Input
  1. Throttle position sensor (built in throttle body)
  2. Open in VTA2 circuit
  3. Open in E2 circuit
  4. Short between VC and VTA2 circuits
  5. ECM
 Come on DTC Stored P0223 
P0300
(3)		 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 hose connection
  13. PCV valve and hose
  14. Air induction system
  15. ECM
 Come on or flash DTC Stored P0300 
P0301 Cylinder 1 Misfire Detected
  1. Open or short in engine wire
  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 hose connection
  13. PCV hose
  14. ECM
 Come on or flash DTC Stored P0301 
P0302 Cylinder 2 Misfire Detected
  1. Open or short in engine wire
  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 hose connection
  13. PCV hose
  14. ECM
 Come on or flash DTC Stored P0302 
P0303 Cylinder 3 Misfire Detected
  1. Open or short in engine wire
  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 hose connection
  13. PCV hose
  14. ECM
 Come on or flash DTC Stored P0303 
P0304 Cylinder 4 Misfire Detected
  1. Open or short in engine wire
  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 hose connection
  13. PCV hose
  14. ECM
 Come on or flash DTC Stored P0304 
P0305 Cylinder 5 Misfire Detected
  1. Open or short in engine wire
  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 hose connection
  13. PCV hose
  14. ECM
 Come on or flash DTC Stored P0305 
P0306 Cylinder 6 Misfire Detected
  1. Open or short in engine wire
  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 hose connection
  13. PCV hose
  14. ECM
 Come on DTC Stored P0306 
P0327 Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor)
  1. Short in knock sensor 1 circuit
  2. Knock sensor 1
  3. ECM
 Come on DTC Stored P0327 
P0328 Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)
  1. Open in knock sensor 1 circuit
  2. Knock sensor 1
  3. ECM
 Come on DTC Stored P0328 
P0332 Knock Sensor 2 Circuit Low Input (Bank 2)
  1. Short in knock sensor 2 circuit
  2. Knock sensor 2
  3. ECM
 Come on DTC Stored P0332 
P0333 Knock Sensor 2 Circuit High Input (Bank 2)
  1. Open in knock sensor 2 circuit
  2. Knock sensor 2
  3. ECM
 Come on DTC Stored P0333 
P0335 Crankshaft Position Sensor "A" Circuit
  1. Open or short in crankshaft position sensor circuit
  2. Crankshaft position sensor
  3. Crankshaft timing pulley
  4. ECM
 Come on DTC Stored P0335 
P0339 Crankshaft Position Sensor "A" Circuit Intermittent
  1. Open or short in Crankshaft position sensor circuit
  2. Crankshaft position sensor
  3. Crankshaft timing pulley
  4. ECM
 Come on DTC Stored P0339 
P0340 Camshaft Position Sensor Circuit Malfunction
  1. Open or short in VVT sensor circuit
  2. VVT sensor
  3. Camshaft timing pulley
  4. Timing belt has jumped tooth
  5. ECM
 Come on DTC Stored P0340 
P0341 Camshaft Position Sensor "A" Circuit Range / Performance (Bank 1 or Single Sensor)
  1. Open or short in VVT sensor circuit
  2. VVT sensor
  3. Camshaft timing pulley
  4. Timing belt has jumped tooth
  5. ECM
 Come on DTC Stored P0341 
P0345 Camshaft Position Sensor "A" Circuit (Bank 2)
  1. Open or short in VVT sensor circuit
  2. VVT sensor
  3. Camshaft timing pulley
  4. Timing belt has jumped tooth
  5. ECM
 Come on DTC Stored P0345 
P0346 Camshaft Position Sensor "A" Circuit Range / Performance (Bank 2)
  1. Open or short in VVT sensor circuit
  2. VVT sensor
  3. Camshaft timing pulley
  4. Timing belt has jumped tooth
  5. ECM
 Come on DTC Stored P0346 
P0351
(2)		 Ignition Coil "A" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IFG1 or IGT1 circuit from ignition coil with igniter to ECM (ignition coil circuit 1)
  3. Ignition coil with igniter (ignition coil 1)
  4. ECM
 Come on DTC Stored P0351 
P0352
(2)		 Ignition Coil "B" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IFG1 or IGT2 circuit from ignition coil with igniter to ECM (ignition coil circuit 2)
  3. Ignition coil with igniter (ignition coil 2)
  4. ECM
 Come on DTC Stored P0352 
P0353
(2)		 Ignition Coil "C" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IFG1 or IGT3 circuit from ignition coil with igniter to ECM (ignition coil circuit 3)
  3. Ignition coil with igniter (ignition coil 3)
  4. ECM
 Come on DTC Stored P0353 
P0354
(2)		 Ignition Coil "D" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IFG1 or IGT4 circuit from ignition coil with igniter to ECM (ignition coil circuit 4)
  3. Ignition coil with igniter (ignition coil 4)
  4. ECM
 Come on DTC Stored P0354 
P0355
(2)		 Ignition Coil "E" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IFG1 or IGT5 circuit from ignition coil with igniter to ECM (ignition coil circuit 5)
  3. Ignition coil with igniter (ignition coil 5)
  4. ECM
 Come on DTC Stored P0355 
P0356
(2)		 Ignition Coil "F" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IFG1 or IGT6 circuit from ignition coil with igniter to ECM (ignition coil circuit 6)
  3. Ignition coil with igniter (ignition coil 6
  4. ECM
 Come on DTC Stored P0356 
P0420
(2)		 Catalyst System Efficiency Below Threshold (Bank 1)
  1. Gas leakage in exhaust system
  2. A/F sensor (bank 1 sensor 1)
  3. Heated oxygen sensor (bank 1 sensor 2)
  4. Three-way catalytic converter (inside exhaust manifold)
 Come on DTC Stored P0420 
P0430
(2)		 Catalyst System Efficiency Below Threshold (Bank 2)
  1. Gas leakage in exhaust system
  2. A/F sensor (bank 2 sensor 1)
  3. Heated oxygen sensor (bank 2 sensor 2)
  4. Three-way catalytic converter (inside exhaust manifold)
 Come on DTC Stored P0430 
P0441
(3)		 Evaporative Emission Control System Incorrect Purge Flow
  1. Vacuum hose has cracks, holes, or is blocked, damaged or disconnected
  2. Fuel tank cap is incorrectly installed
  3. Fuel tank cap has cracks, or is damaged
  4. Open or short in vapor pressure sensor circuit
  5. Vapor pressure sensor
  6. Open or short in VSV circuit for EVAP
  7. EVAP VSV
  8. Open or short in VSV circuit for CCV
  9. CCV
  10. Fuel tank has cracks, holes, or is damaged
  11. Charcoal canister has cracks, holes, or is damaged
  12. Fuel tank over fill check valve has cracks, or is damaged
  13. ECM
 Come on DTC Stored P0441 
P0442 Evaporative Emission Control System Leak Detected (Small Leak)
  1. Vacuum hose has cracks, holes, or is blocked, damaged or disconnected
  2. Fuel tank cap is incorrectly installed
  3. Fuel tank cap has cracks, or is damaged
  4. Open or short in vapor pressure sensor circuit
  5. Vapor pressure sensor
  6. Open or short in VSV circuit for EVAP
  7. EVAP VSV
  8. Open or short in VSV circuit for CCV
  9. CCV
  10. Fuel tank has cracks, holes, or is damaged
  11. Charcoal canister has cracks, holes, or is damaged
  12. Fuel tank over fill check valve has cracks, or is damaged
  13. ECM
 Come on DTC Stored P0442 
P0446
(3)		 Evaporative Emission Control System Vent Control Circuit
  1. Vacuum hose has cracks, holes, or is blocked, damaged or disconnected
  2. Fuel tank cap is incorrectly installed
  3. Fuel tank cap has cracks, or is damaged
  4. Open or short in vapor pressure sensor circuit
  5. Vapor pressure sensor
  6. Open or short in VSV circuit for EVAP
  7. EVAP VSV
  8. Open or short in VSV circuit for CCV
  9. CCV
  10. Fuel tank has cracks, holes, or is damaged
  11. Charcoal canister has cracks, holes, or is damaged
  12. Fuel tank over fill check valve has cracks, or is damaged
  13. ECM
 Come on DTC Stored P0446 
P0451 Evaporative Emission Control System Pressure Sensor Range / Performance
  1. Open or short in vapor pressure sensor circuit
  2. Vapor pressure sensor
  3. ECM
 Come on DTC Stored P0451 
P0452 Evaporative Emission Control System Pressure Sensor / Switch Low Input
  1. Open or short in vapor pressure sensor circuit
  2. Vapor pressure sensor
  3. ECM
 Come on DTC Stored P0452 
P0453 Evaporative Emission Control System Pressure Sensor / Switch High Input
  1. Open or short in vapor pressure sensor circuit
  2. Vapor pressure sensor
  3. ECM
 Come on DTC Stored P0453 
P0455 Evaporative Emission Control System Leak Detected (Gross Leak)
  1. Vacuum hose has cracks, holes, or is blocked, damaged or disconnected
  2. Fuel tank cap is incorrectly installed
  3. Fuel tank cap has cracks, or is damaged
  4. Open or short in vapor pressure sensor circuit
  5. Vapor pressure sensor
  6. Open or short in VSV circuit for EVAP
  7. EVAP VSV
  8. Open or short in VSV circuit for CCV
  9. CCV
  10. Fuel tank has cracks, holes, or is damaged
  11. Charcoal canister has cracks, holes, or is damaged
  12. Fuel tank over fill check valve has cracks, or is damaged
  13. ECM
 Come on DTC Stored P0455 
P0456 Evaporative Emission Control System Leak Detected (Very Small Leak)
  1. Vacuum hose has cracks, holes, or is blocked, damaged or disconnected
  2. Fuel tank cap is incorrectly installed
  3. Fuel tank cap has cracks, or is damaged
  4. Open or short in vapor pressure sensor circuit
  5. Vapor pressure sensor
  6. Open or short in VSV circuit for EVAP
  7. EVAP VSV
  8. Open or short in VSV circuit for CCV
  9. CCV
  10. Fuel tank has cracks, holes, or is damaged
  11. Charcoal canister has cracks, holes, or is damaged
  12. Fuel tank over fill check valve has cracks, or is damaged
  13. ECM
 Come on DTC Stored P0456 
P0500 Vehicle Speed Sensor "A"
  1. Open or short in speed sensor circuit
  2. Speed sensor
  3. Combination meter
  4. ECM
  5. Skid control ECU
 Come on DTC Stored P0500 
P0503 Vehicle Speed Sensor "A" Intermittent / Erratic / High
  1. Open or short in speed sensor circuit
  2. Speed sensor
  3. Combination meter
  4. ECM
  5. Skid control ECU
 Dose not come on DTC Stored P0503 
P0504 Brake Switch "A" / "B" Correlation
  1. Short in stop light switch signal circuit
  2. Stop light switch
  3. ECM
 Dose not come on DTC Stored P0504 
P0505 Idle Control System Malfunction
  1. Electric throttle control system
  2. Air induction system
  3. PCV hose connection
 Come on DTC Stored P0505 
P0560 System Voltage
  1. Open in back-up power source circuit
  2. ECM
 Come on DTC Stored P0560 
P0604 Internal Control Module Random Access Memory (RAM) Error ECM Come on DTC Stored P0604 
P0606 ECM / PCM Processor ECM Come on DTC Stored P0606 
P0607 Control Module Performance ECM Come on DTC Stored P0607 
P0617 Starter Relay Circuit High
  1. Short in park/neutral position switch circuit
  2. PNP switch
  3. Ignition switch
  4. ECM
 Come on DTC Stored P0617 
P0630 VIN not Programmed or Mismatch - ECM / PCM ECM Come on DTC Stored P0630 
P0657 Actuator Supply Voltage Circuit / Open ECM Come on DTC Stored P0657 
P0705 Transmission Range Sensor Circuit Malfunction (PRNDL Input)
  1. Short in park/neutral position switch circuit
  2. PNP switch
  3. ECM
 Come on DTC Stored P0705 
P1645 Gateway ECU Malfunction
  1. Gateway ECU
  2. A/C ECU
  3. Combination bus
 Come on DTC Not Stored P1645 
P2102 Throttle Actuator Control Motor Circuit Low
  1. Open in throttle control motor circuit
  2. Throttle control motor
  3. ECM
 Come on DTC Stored P2102 
P2103 Throttle Actuator Control Motor Circuit High
  1. Short in throttle control motor circuit
  2. Throttle control motor
  3. ECM
 Come on DTC Stored P2103 
P2111 Throttle Actuator Control System - Stuck Open
  1. Throttle control motor circuit
  2. Throttle control motor
  3. Throttle body
  4. Throttle valve
 Come on DTC Stored P2111 
P2112 Throttle Actuator Control System - Stuck Closed
  1. Throttle control motor circuit
  2. Throttle control motor
  3. Throttle body
  4. Throttle valve
 Come on DTC Stored P2112 
P2118 Throttle Actuator Control Motor Current Range / Performance
  1. Open in ETCS power source circuit
  2. ETCS fuse
  3. ECM
 Come on DTC Stored P2118 
P2119 Throttle Actuator Control Throttle Body Range / Performance
  1. Electronic throttle control system
  2. ETCS fuse
  3. ECM
 Come on DTC Stored P2119 
P2120 Throttle / Pedal Position Sensor / Switch "D" Circuit
  1. Accelerator pedal position sensor
  2. ECM
 Come on DTC Stored P2120 
P2121 Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance
  1. Accelerator pedal position sensor circuit
  2. Accelerator pedal position sensor
  3. ECM
 Come on DTC Stored P2121 
P2122 Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input
  1. Accelerator pedal position sensor
  2. Open in VCP1 circuit
  3. Open or short to ground in VPA1 circuit
  4. ECM
 Come on DTC Stored P2122 
P2123 Throttle / Pedal Position Sensor / Switch "D" Circuit High Input
  1. Accelerator pedal position sensor
  2. Open in EPA circuit
  3. ECM
 Come on DTC Stored P2123 
P2125 Throttle / Pedal Position Sensor / Switch "E" Circuit
  1. Accelerator pedal position sensor
  2. ECM
 Come on DTC Stored P2125 
P2127 Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input
  1. Accelerator pedal position sensor
  2. Open in VCP2 circuit
  3. Open or short to ground in VPA2 circuit
  4. ECM
 Come on DTC Stored P2127 
P2128 Throttle / Pedal Position Sensor / Switch "E" Circuit High Input
  1. Accelerator pedal position sensor
  2. Open in EPA2 circuit
  3. ECM
 Come on DTC Stored P2128 
P2135 Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation
  1. Short between VTA1 and VTA2 circuits
  2. Throttle position sensor (built in throttle body)
  3. ECM
 Come on DTC Stored P2135 
P2138 Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
  1. VPA1 and VPA2 circuits are shortcircuited
  2. Accelerator pedal position sensor
  3. ECM
 Come on DTC Stored P2138 
P2195
(1)		 Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1)
  1. Open or short in A/F sensor (bank 1 sensor 1) circuit
  2. A/F sensor (bank 1 sensor 1)
  3. A/F sensor (bank 1 sensor 1) heater
  4. A/F relay
  5. Air induction system
  6. Fuel pressure
  7. Injector
  8. PCV hose connection
  9. ECM
 Come on DTC Stored P2195 
P2196
(1)		 Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1)
  1. Open or short in A/F sensor (bank 1 sensor 1) circuit
  2. A/F sensor (bank 1 sensor 1)
  3. A/F sensor (bank 1 sensor 1) heater
  4. A/F relay
  5. A/F sensor heater and relay circuit
  6. Air induction system
  7. Fuel pressure
  8. Injector
  9. PCV hose connection
  10. ECM
 Come on DTC Stored P2196 
P2197
(1)		 Oxygen (A/F) Sensor Signal Stuck Lean (Bank 2 Sensor 1)
  1. Open or short in A/F sensor (bank 2 sensor 1) circuit
  2. A/F sensor (bank 2 sensor 1)
  3. A/F sensor (bank 2 sensor 1) heater
  4. A/F relay
  5. A/F sensor heater and relay circuit
  6. Air induction system
  7. Fuel pressure
  8. Injector
  9. PCV hose connection
  10. ECM
 Come on DTC Stored P2197 
P2198
(1)		 Oxygen (A/F) Sensor Signal Stuck Rich (Bank 2 Sensor 1)
  1. Open or short in A/F sensor (bank 2 sensor 1) circuit
  2. AiF sensor (bank 2 sensor 1)
  3. A/F sensor (bank 2 sensor 1) heater
  4. A/F relay
  5. A/F sensor heater and relay circuit
  6. Air induction system
  7. Fuel pressure
  8. Injector
  9. PCV hose connection
  10. ECM
 Come on DTC Stored P2198 
P2238
(1)		 Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1)
  1. Open or short in A/F sensor (bank 1 sensor 1) circuit
  2. A/F sensor (bank 1 sensor 1)
  3. A/F sensor (bank 1 sensor 1) heater
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuit
  6. ECM
 Come on DTC Stored P2238 
P2239
(1)		 Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1)
  1. Open or short in A/F sensor (bank 1 sensor 1) circuit
  2. A/F sensor (bank 1 sensor 1)
  3. A/F sensor (bank 1 sensor 1) heater
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuit
  6. ECM
 Come on DTC Stored P2239 
P2241
(1)		 Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 2 Sensor 1)
  1. Open or short in A/F sensor (bank 2 sensor 1) circuit
  2. A/F sensor (bank 2 sensor 1)
  3. A/F sensor (bank 2 sensor 1) heater
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuit
  6. ECM
 Come on DTC Stored P2241 
P2242
(1)		 Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 2 Sensor 1)
  1. Open or short in A/F sensor (bank 2 sensor 1) circuit
  2. A/F sensor (bank 2 sensor 1)
  3. A/F sensor (bank 2 sensor 1) heater
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuit
  6. ECM
 Come on DTC Stored P2242 
P2252
(1)		 Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1)
  1. Open or short in A/F sensor (bank 1 sensor 1) circuit
  2. A/F sensor (bank 1 sensor 1)
  3. A/F sensor (bank 1 sensor 1) heater
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuit
  6. ECM
 Come on DTC Stored P2252 
P2253
(1)		 Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1)
  1. Open or short in A/F sensor (bank 1 sensor 1) circuit
  2. A/F sensor (bank 1 sensor 1)
  3. A/F sensor (bank 1 sensor 1) heater
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuit
  6. ECM
 Come on DTC Stored P2253 
P2255
(1)		 Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 2 Sensor 1)
  1. Open or short in A/F sensor (bank 2 sensor 1) circuit
  2. A/F sensor (bank 2 sensor 1)
  3. A/F sensor (bank 2 sensor 1) heater
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuit
  6. ECM
 Come on DTC Stored P2255 
P2256
(1)		 Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 2 Sensor 1)
  1. Open or short in A/F sensor (bank 2 sensor 1) circuit
  2. A/F sensor (bank 2 sensor 1)
  3. A/F sensor (bank 2 sensor 1) heater
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuit
  6. ECM
 Come on DTC Stored P2256 
P2A00 A/F Sensor Circuit Slow Response (Bank 1 Sensor 1)
  1. Open or short in A/F sensor (bank 1 sensor 1) circuit
  2. A/F sensor (bank 1 sensor 1)
  3. A/F sensor heater
  4. A/F relay
  5. A/F sensor heater and relay circuit
  6. Air induction system
  7. Fuel pressure
  8. Injector
  9. PCV hose connection
  10. ECM
 Come on DTC Stored P2A00 
P2A03 A/F Sensor Circuit Slow Response (Bank 2 Sensor 1)
  1. Open or short in A/F sensor (bank 2 sensor 1) circuit
  2. A/F sensor (bank 2 sensor 1)
  3. A/F sensor heater
  4. A/F relay
  5. A/F sensor heater and relay circuit
  6. Air induction system
  7. Fuel pressure
  8. Injector
  9. PCV hose connection
  10. ECM
 Come on DTC Stored P2A03 
(1) This DTC is related to A/F sensor, although the caption is oxygen sensor.
(2) This DTC indicates a malfunction related to primary circuit.
(3) This DTC is not present for Taiwan spec.
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