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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 instrument used 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 page indicated.

SFI SYSTEM

DIAGNOSTIC TROUBLE CODE 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 
(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
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
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 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 heated oxygen sensor
  2. Heated oxygen sensor heater (bank 1 sensor 2)
  3. EFI relay
  4. ECM
 Come on DTC Stored
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
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
P0057  Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 2)
  1. Open or short in heater circuit of heated oxygen sensor
  2. Heated oxygen 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 heated oxygen sensor
  2. Heated oxygen 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 MAF meter circuit
  2. MAF meter
  3. ECM
 Come on DTC Stored
P0101  Mass Air Flow Circuit Range / Performance Problem MAF meter Come on DTC Stored
P0102  Mass or Volume Air Flow Circuit Low Input
  1. Open in MAF meter circuit
  2. MAF meter
  3. ECM
 Come on DTC Stored
P0103  Mass or Volume Air Flow Circuit High Input
  1. 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 IAT sensor circuit
  2. IAT sensor (built in 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 in 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 in MAF meter)
  3. ECM
 Come on DTC Stored
P0115  Engine Coolant Temperature Circuit Malfunction
  1. Open or short in ECT sensor circuit
  2. ECT sensor
  3. ECM
 Come on DTC Stored
P0116  Engine Coolant Temperature Circuit Range / Performance Problem ECT sensor 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 sensor (built in throttle body)
  2. ECM
 Come on DTC Stored
P0121  Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem Throttle position sensor (built in throttle body) Come on DTC Stored
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
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 between VC and VTA1 circuits
  5. ECM
 Come on DTC Stored
P0125  Insufficient Coolant Temperature for Closed Loop Fuel Control
  1. ECT sensor
  2. Cooling system
  3. Thermostat
 Come on DTC Stored
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
P0136  Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
  1. 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)
 Come on DTC Stored
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
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
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
P0156  Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 2)
  1. Heated oxygen sensor circuit (bank 2)
  2. Heated oxygen sensor (bank 2)
  3. Oxygen sensor heater (bank 2)
  4. A/F sensor (bank 2)
  5. A/F sensor heater (bank 2)
 Come on DTC Stored
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
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
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
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. PCV value and hose
  12. PCV hose connection
 Come on DTC Stored
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
 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 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. PCV value and hose
  12. PCV hose connection
 Come on DTC Stored
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
 Come on DTC Stored
P0220  Throttle / Pedal Position Sensor / Switch "B" Circuit
  1. Throttle position sensor (built in throttle body)
  2. ECM
 Come on DTC Stored
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
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
P0300  Random / Multiple Cylinder 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
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 DTC Stored
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 DTC Stored
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 DTC Stored
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 DTC Stored
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 DTC Stored
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
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 sensor circuit
  2. Crankshaft position sensor
  3. Crankshaft timing pulley
  4. ECM
 Come on DTC Stored
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
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 a 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 pulley
  4. Timing belt has a 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 pulley
  4. Timing belt has a 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 pulley
  4. Timing belt has a jumped tooth
  5. ECM
 Come on DTC Stored
P0351 
(2)		 Ignition Coil "A" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF1 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
P0352 
(2)		 Ignition Coil "B" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF1 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
P0353 
(2)		 Ignition Coil "C" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF1 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
P0354 
(2)		 Ignition Coil "D" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF1 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
P0355 
(2)		 Ignition Coil "E" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF1 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
P0356 
(2)		 Ignition Coil "F" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF1 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
P0420  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
P0430  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
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 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  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
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 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
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 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. 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 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  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
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 switch
  3. 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 ECM Come on DTC Stored
P0606  ECM / PCM Processor ECM Come on DTC Stored
P0607  Control Module Performance ECM Come on DTC Stored
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
P0630  VIN not Programmed or Mismatch - ECM / PCM ECM Come on DTC Stored
P0657  Actuator Supply Voltage Circuit / Open ECM Come on DTC Stored
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
P1645  Gateway ECU Malfunction
  1. Gateway ECU
  2. A/C ECU
  3. Combination bus
 Come on DTC Stored
P2102  Throttle Actuator Control Motor Circuit Low
  1. Open in throttle control motor circuit
  2. Throttle control motor
  3. ECM
 Come on DTC Stored
P2103  Throttle Actuator Control Motor Circuit High
  1. Short in throttle control motor circuit
  2. Throttle control motor
  3. Throttle body
  4. Throttle valve
  5. ECM
 Come on DTC Stored
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
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
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 sensor
  2. ECM
 Come on DTC Stored
P2121  Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance
  1. Open or short in accelerator pedal position sensor circuit
  2. Accelerator pedal position sensor
  3. ECM
 Come on DTC Stored
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 VPA circuit
  4. ECM
 Come on DTC Stored
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
P2125  Throttle / Pedal Position Sensor / Switch "E" Circuit
  1. Accelerator pedal position sensor
  2. ECM
 Come on DTC Stored
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
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
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
P2138  Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
  1. Short between VPA and VPA2 circuits
  2. Accelerator pedal position sensor
  3. ECM
 Come on DTC Stored
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. Open or short in 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 
(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. Open or short in 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 
(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. Open or short in 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 
(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. 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. Air induction system
  7. Fuel pressure
  8. Injector
  9. PCV hose connection
  10. ECM
 Come on DTC Stored
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
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
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
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
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
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
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
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
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. Open or short in 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  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. Open or short in 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
(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.
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