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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 check mode, check the circuit for the DTCs listed in the below. For details of each DTC, refer to the page indicated.

SFI SYSTEM 

DTC CHART

DTC No. Detection Item Trouble Area MIL Memory
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
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
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
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
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
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
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
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
P0031  Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)
  1. Open or short in heater circuit of Air-Fuel Ratio (A/F) sensor
  2. A/F sensor heater (bank 1 sensor 1)
  3. A/F relay
  4. ECM
 Come on DTC Stored
P0032  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
P0037  Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2)
  1. Open or short in heater circuit of Heated Oxygen (HO2) sensor
  2. HO2 sensor heater (bank 1 sensor 2)
  3. EFI relay
  4. ECM
 Come on DTC Stored
P0038  Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2)
  1. Open or short in heater circuit of HO2 sensor
  2. HO2 sensor heater (bank 1 sensor 2)
  3. EFI relay
  4. ECM
 Come on DTC Stored
P0051  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
P0052  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
P0057  Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 2)
  1. Open or short in heater circuit of HO2 sensor
  2. HO2 sensor heater (bank 2 sensor 2)
  3. EFI relay
  4. ECM
 Come on DTC Stored
P0058  Oxygen Sensor Heater Control Circuit High (Bank 2 Sensor 2)
  1. Open or short in heater circuit of HO2 sensor
  2. HO2 sensor heater (bank 2 sensor 2)
  3. EFI relay
  4. ECM
 Come on DTC Stored
P0100  Mass or Volume Air Flow Circuit
  1. Open or short in Mass Air Flow (MAF) meter circuit
  2. MAF meter
  3. ECM
 Come on DTC Stored
P0101  Mass Air Flow Circuit Range / Performance Problem
  1. MAF meter
 Come on DTC Stored
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
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
P0110  Intake Air Temperature Circuit Malfunction
  1. Open or short in Intake Air Temperature (IAT) sensor circuit
  2. IAT sensor (built into MAF meter)
  3. ECM
 Come on DTC Stored
P0112  Intake Air Temperature Circuit Low Input
  1. Short in IAT sensor circuit
  2. IAT sensor (built into MAF meter)
  3. ECM
 Come on DTC Stored
P0113  Intake Air Temperature Circuit High Input
  1. Open in IAT sensor circuit
  2. IAT sensor (built into MAF meter)
  3. ECM
 Come on DTC Stored
P0115  Engine Coolant Temperature Circuit Malfunction
  1. Open or short in Engine Coolant Temperature (ECT) sensor circuit
  2. ECT sensor
  3. ECM
 Come on DTC Stored
P0116  Engine Coolant Temperature Circuit Range / Performance Problem
  1. ECT sensor
  2. Thermostat
 Come on DTC Stored
P0117  Engine Coolant Temperature Circuit Low Input
  1. Short in ECT sensor circuit
  2. ECT sensor
  3. ECM
 Come on DTC Stored
P0118  Engine Coolant Temperature Circuit High Input
  1. Open in ECT sensor circuit
  2. ECT sensor
  3. ECM
 Come on DTC Stored
P0120  Throttle Pedal Position Sensor / Switch "A" Circuit Malfunction
  1. Throttle Position (TP) sensor (built into throttle body)
  2. ECM
 Come on DTC Stored
P0121  Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem
  1. TP sensor (built into throttle body)
 Come on DTC Stored
P0122  Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input
  1. TP sensor (built into throttle body)
  2. Short in VTA1 circuit
  3. Open in VC circuit
  4. ECM
 Come on DTC Stored
P0123  Throttle / Pedal Position Sensor / Switch "A" Circuit High Input
  1. TP sensor (built into throttle body)
  2. Open in VTA1 circuit
  3. Open in E2 circuit
  4. Short between VC and VTA1 circuits
  5. ECM
 Come on DTC Stored
P0125  Insufficient Coolant Temperature for Closed Loop Fuel Control
  1. Cooling system
  2. ECT sensor
  3. Thermostat
 Come on DTC Stored
P0128  Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
  1. Thermostat
  2. Cooling system
  3. ECT sensor
  4. ECM
 Come on DTC Stored
P0136  Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
  1. Open or short in HO2 sensor (bank 1 sensor 2) circuit
  2. HO2 sensor (bank 1 sensor 2)
  3. HO2 sensor heater (bank 1 sensor 2)
  4. A/F sensor
  5. EFI relay
 Come on DTC Stored
P0137  Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2)
  1. Open or short in HO2 sensor circuit (bank 1 sensor 2)
  2. HO2 sensor (bank 1 sensor 2)
 Come on DTC Stored
P0138  Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2)
  1. Short in HO2 sensor (bank 1 sensor 2) circuit
  2. HO2 sensor (bank 1 sensor 2)
  3. ECM internal circuit malfunction
 Come on DTC Stored
P0139  Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 2)
  1. Open or short in HO2 sensor (bank 1 sensor 2) circuit
  2. HO2 sensor (bank 1 sensor 2)
  3. HO2 sensor heater (bank 1 sensor 2)
  4. A/F sensor
  5. EFI relay
 Come on DTC Stored
P0156  Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 2)
  1. Open or short in HO2 sensor (bank 2 sensor 2) circuit
  2. HO2 sensor (bank 2 sensor 2)
  3. HO2 sensor heater (bank 2 sensor 2)
  4. A/F sensor
  5. EFI relay
 Come on DTC Stored
P0157  Oxygen Sensor Circuit Low Voltage (Bank 2 Sensor 2)
  1. Open or short in HO2 sensor circuit (bank 2 sensor 2)
  2. HO2 sensor (bank 2 sensor 2)
 Come on DTC Stored
P0158  Oxygen Sensor Circuit High Voltage (Bank 2 Sensor 2)
  1. Short in HO2 sensor (bank 2 sensor 2) circuit
  2. HO2 sensor (bank 2 sensor 2)
  3. ECM internal circuit malfunction
 Come on DTC Stored
P0159  Oxygen Sensor Circuit Slow Response (Bank 2 Sensor 2)
  1. Open or short in HO2 sensor (bank 2 sensor 2) circuit
  2. HO2 sensor (bank 2 sensor 2)
  3. HO2 sensor heater (bank 2 sensor 2)
  4. A/F sensor
  5. EFI relay
 Come on DTC Stored
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 (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. PCV valve and hose
  13. PCV hose connections
  14. ECM
 Come on DTC Stored
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 (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
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 from 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. PCV valve and hose
  13. PCV hose connections
  14. ECM
 Come on DTC Stored
P0175  System Too Rich (Bank 2)
  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 (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
P0220  Throttle / Pedal Position Sensor / Switch "B" Circuit
  1. TP sensor (built into throttle body)
  2. ECM
 Come on DTC Stored
P0222  Throttle / Pedal Position Sensor / Switch "B" Circuit Low Input
  1. TP sensor (built into throttle body)
  2. Short in VTA2 circuit
  3. Open in VC circuit
  4. ECM
 Come on DTC Stored
P0223  Throttle / Pedal Position Sensor / Switch "B" Circuit High Input
  1. TP sensor (built into 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
P0300  Random / Multiple Cylinder Misfire Detected
  1. Open or short in engine wire harness
  2. Connector connection
  3. Vacuum hose connections
  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. Air induction system
  15. ECM
 Come on or flash DTC Stored
P0301  Cylinder 1 Misfire Detected
  1. Open or short in engine wire harness
  2. Connector connection
  3. Vacuum hose connections
  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. Air induction system
  15. ECM
 Come on or flash DTC Stored
P0302  Cylinder 2 Misfire Detected
  1. Open or short in engine wire harness
  2. Connector connection
  3. Vacuum hose connections
  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. Air induction system
  15. ECM
 Come on or flash DTC Stored
P0303  Cylinder 3 Misfire Detected
  1. Open or short in engine wire harness
  2. Connector connection
  3. Vacuum hose connections
  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. Air induction system
  15. ECM
 Come on or flash DTC Stored
P0304  Cylinder 4 Misfire Detected
  1. Open or short in engine wire harness
  2. Connector connection
  3. Vacuum hose connections
  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. Air induction system
  15. ECM
 Come on or flash DTC Stored
P0305  Cylinder 5 Misfire Detected
  1. Open or short in engine wire harness
  2. Connector connection
  3. Vacuum hose connections
  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. Air induction system
  15. ECM
 Come on or flash DTC Stored
P0306  Cylinder 6 Misfire Detected
  1. Open or short in engine wire harness
  2. Connector connection
  3. Vacuum hose connections
  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. Air induction system
  15. ECM
 Come on or flash DTC Stored
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
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
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
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
P0335  Crankshaft Position Sensor "A" Circuit
  1. Open or short in Crankshaft Position (CKP) sensor circuit
  2. CKP sensor
  3. Crankshaft timing pulley
  4. ECM
 Come on DTC Stored
P0339  Crankshaft Position Sensor "A" Circuit Intermittent
  1. Open or short in CKP sensor circuit
  2. CKP sensor
  3. Crankshaft timing pulley
  4. ECM
 Does not come on DTC Stored
P0340  Camshaft Position Sensor Circuit Malfunction
  1. Open or short in VVT sensor circuit
  2. VVT sensor
  3. Camshaft timing gear assembly
  4. Timing belt has jumped tooth
  5. ECM
 Come on DTC Stored
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 gear assembly
  4. Timing belt has jumped tooth
  5. ECM
 Come on DTC Stored
P0345  Camshaft Position Sensor "A" Circuit (Bank 2)
  1. Open or short in VVT sensor circuit
  2. VVT sensor
  3. Camshaft timing gear assembly
  4. Timing belt has jumped tooth
  5. ECM
 Come on DTC Stored
P0346  Camshaft Position Sensor "A" Circuit Range / Performance (Bank 2)
  1. Open or short in VVT sensor circuit
  2. VVT sensor
  3. Camshaft timing gear assembly
  4. Timing belt has jumped tooth
  5. ECM
 Come on DTC Stored
P0351  Ignition Coil "A" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF1 or IGT1 circuit between ignition coil with igniter and ECM
  3. Ignition coil with igniter
  4. ECM
 Come on DTC Stored
P0352  Ignition Coil "B" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF1 or IGT2 circuit between ignition coil with igniter and ECM
  3. Ignition coil with igniter
  4. ECM
 Come on DTC Stored
P0353  Ignition Coil "C" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF1 or IGT3 circuit between ignition coil with igniter and ECM
  3. Ignition coil with igniter
  4. ECM
 Come on DTC Stored
P0354  Ignition Coil "D" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF1 or IGT4 circuit between ignition coil with igniter and ECM
  3. Ignition coil with igniter
  4. ECM
 Come on DTC Stored
P0355  Ignition Coil "E" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF1 or IGT5 circuit between ignition coil with igniter and ECM
  3. Ignition coil with igniter
  4. ECM
 Come on DTC Stored
P0356  Ignition Coil "F" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF1 or IGT6 circuit between ignition coil with igniter and ECM
  3. Ignition coil with igniter
  4. ECM
 Come on DTC Stored
P0420  Catalyst System Efficiency Below Threshold (Bank 1)
  1. Gas leakage from exhaust system
  2. A/F sensor (bank 1 sensor 1)
  3. HO2 sensor (bank 1 sensor 2)
  4. Three-way catalytic converter (Exhaust manifold)
 Come on DTC Stored
P0430  Catalyst System Efficiency Below Threshold (Bank 2)
  1. Gas leakage from exhaust system
  2. A/F sensor (bank 2 sensor 1)
  3. HO2 sensor (bank 2 sensor 2)
  4. Three-way catalytic converter (Exhaust manifold)
 Come on DTC Stored
P0441  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 EVAP VSV circuit
  7. EVAP VSV
  8. Open or short in CCV circuit
  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  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 EVAP VSV circuit
  7. EVAP VSV
  8. Open or short in CCV circuit
  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  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 EVAP VSV circuit
  7. EVAP VSV
  8. Open or short in CCV circuit
  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
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
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
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
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 EVAP VSV circuit
  7. EVAP VSV
  8. Open or short in CCV circuit
  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  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 EVAP VSV circuit
  7. EVAP VSV
  8. Open or short in CCV circuit
  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
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
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
 Does not come on DTC Stored
P0504  Brake Switch "A" / "B" Correlation
  1. Short in stop light switch signal circuit
  2. STOP light fuse
  3. Stop light switch
  4. ECM
 Does not come on DTC Stored
P0505  Idle Control System Malfunction
  1. Electric throttle control system
  2. Air induction system
  3. PCV hose connection
 Come on DTC Stored
P0560  System Voltage
  1. Open in back-up power source circuit
  2. ECM
 Come on DTC Stored
P0604  Internal Control Module Random Access Memory (RAM) Error
  1. ECM
 Come on DTC Stored
P0606  ECM / PCM Processor
  1. ECM
 Come on DTC Stored
P0607  Control Module Performance
  1. ECM
 Come on DTC Stored
P0617  Starter Relay Circuit High
  1. Short in Park/Neutral Position (PNP) switch circuit
  2. PNP switch
  3. Ignition switch
  4. ECM
 Come on DTC Stored
P0630  VIN not Programmed or Mismatch - ECM / PCM
  1. ECM
 Come on DTC Stored
P0657  Actuator Supply Voltage Circuit / Open
  1. ECM
 Come on DTC Stored
P0705  Transmission Range Sensor Circuit Malfunction (PRNDL Input)
  1. Short in PNP switch circuit
  2. PNP switch
  3. ECM
 Come on DTC Stored
P1645  Gateway ECU Malfunction
  1. Gateway ECU
  2. A/C ECU
  3. Communication bus
 Come on DTC Stored
P2102  Throttle Actuator Control Motor Circuit Low
  1. Open in throttle actuator circuit
  2. Throttle actuator
  3. ECM
 Come on DTC Stored
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
 Come on DTC Stored
P2111  Throttle Actuator Control System - Stuck Open
  1. Open or short in throttle actuator circuit
  2. Throttle actuator
  3. Throttle body
  4. Throttle valve
 Come on DTC Stored
P2112  Throttle Actuator Control System - Stuck Closed
  1. Open or short in throttle actuator circuit
  2. Throttle actuator
  3. Throttle body
  4. Throttle valve
 Come on DTC Stored
P2118  Throttle Actuator Control Motor Current Range / Performance
  1. Open in ETCS power source circuit
  2. ETCS fuse
  3. ECM
 Come on DTC Stored
P2119  Throttle Actuator Control Throttle Body Range / Performance
  1. Electronic throttle control system
  2. ECM
 Come on DTC Stored
P2120  Throttle / Pedal Position Sensor / Switch "D" Circuit
  1. Accelerator Pedal Position (APP) sensor
  2. ECM
 Come on DTC Stored
P2121  Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance
  1. APP sensor
  2. ECM
 Come on DTC Stored
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
 Come on DTC Stored
P2123  Throttle / Pedal Position Sensor / Switch "D" Circuit High Input
  1. APP sensor
  2. Open in EPA circuit
  3. ECM
 Come on DTC Stored
P2125  Throttle / Pedal Position Sensor / Switch "E" Circuit
  1. APP sensor
  2. ECM
 Come on DTC Stored
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
 Come on DTC Stored
P2128  Throttle / Pedal Position Sensor / Switch "E" Circuit High Input
  1. APP sensor
  2. Open in EPA2 circuit
  3. ECM
 Come on DTC Stored
P2135  Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation
  1. Short between VTA1 and VTA2 circuits
  2. TP sensor (built into throttle body)
  3. ECM
 Come on DTC Stored
P2138  Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
  1. Short between VPA and VPA2 circuits
  2. APP sensor
  3. ECM
 Come on DTC Stored
P2195  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 heater (bank 1 sensor 1)
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuits
  6. Air induction system
  7. Fuel pressure
  8. Injector
  9. PCV hose connection
  10. ECM
 Come on DTC Stored
P2196  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 heater (bank 1 sensor 1)
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuits
  6. Air induction system
  7. Fuel pressure
  8. Injector
  9. PCV hose connection
  10. ECM
 Come on DTC Stored
P2197  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 heater (bank 2 sensor 1)
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuits
  6. Air induction system
  7. Fuel pressure
  8. Injector
  9. PCV hose connection
  10. ECM
 Come on DTC Stored
P2198  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. A/F sensor (bank 2 sensor 1)
  3. A/F sensor heater (bank 2 sensor 1)
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuits
  6. Air induction system
  7. Fuel pressure
  8. Injector
  9. PCV hose connection
  10. ECM
 Come on DTC Stored
P2238  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 heater (bank 1 sensor 1)
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuits
  6. ECM
 Come on DTC Stored
P2239  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 heater (bank 1 sensor 1)
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuits
  6. ECM
 Come on DTC Stored
P2241  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 heater (bank 2 sensor 1)
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuits
  6. ECM
 Come on DTC Stored
P2242  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 heater (bank 2 sensor 1)
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuits
  6. ECM
 Come on DTC Stored
P2252  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 heater (bank 1 sensor 1)
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuits
  6. ECM
 Come on DTC Stored
P2253  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 heater (bank 1 sensor 1)
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuits
  6. ECM
 Come on DTC Stored
P2255  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 heater (bank 2 sensor 1)
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuits
  6. ECM
 Come on DTC Stored
P2256  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 heater (bank 2 sensor 1)
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuits
  6. ECM
 Come on DTC Stored
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 (bank 1 sensor 1)
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuits
  6. Air induction system
  7. Fuel pressure
  8. Injector
  9. PCV hose connection
  10. ECM
 Come on DTC Stored
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 (bank 2 sensor 1)
  4. A/F relay
  5. Open or short in A/F sensor heater and relay circuits
  6. Air induction system
  7. Fuel pressure
  8. Injector
  9. PCV hose connection
  10. ECM
 Come on DTC Stored
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