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Diagnostic Trouble Code Chart

HINT:

The parameters listed in the chart may not confirm exactly to those read during the DTC check due to the type of instrument or other factors.

If a trouble code is displayed during the DTC check in the check mode, check the circuit for the code listed in the table below.

SFI SYSTEM 

DIAGNOSTIC TROUBLE CODE CHART

DTC No. Detection Item Suspected Trouble Area MIL Memory
P0010  Camshaft Position "A" Actuator Circuit (Bank 1)
  1. Open or short in OCV circuit for intake camshaft
  2. OCV for intake camshaft (bank 1)
  3. ECM
 Comes on DTC stored
P0011  Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1)
  1. Valve timing
  2. OCV for intake camshaft
  3. OCV filter
  4. Intake camshaft timing gear assembly
  5. ECM
 Comes on DTC stored
P0012  Camshaft Position "A" - Timing Over-Retarded (Bank 1)
  1. Valve timing
  2. OCV for intake camshaft
  3. OCV filter
  4. Intake camshaft timing gear assembly
  5. ECM
 Comes on DTC stored
P0013  Camshaft Position "B" Actuator Circuit / Open (Bank 1)
  1. Open or short in OCV for exhaust camshaft circuit
  2. OCV for exhaust camshaft (bank 1)
  3. ECM
 Comes on DTC stored
P0014  Camshaft Position "B" - Timing Over-Advanced or System Performance (Bank 1)
  1. Valve timing
  2. OCV for exhaust camshaft
  3. OCV filter
  4. Exhaust camshaft timing gear assembly
  5. ECM
 Comes on DTC stored
P0015  Camshaft Position "B" - Timing Over-Retarded (Bank 1)
  1. Valve timing
  2. OCV for exhaust camshaft
  3. OCV filter
  4. Exhaust camshaft timing gear assembly
  5. ECM
 Comes on DTC stored
P0016  Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)
  1. Mechanical system (Timing chain has jumped teeth or chain stretched)
  2. ECM
 Comes on DTC stored
P0017  Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor B)
  1. Mechanical system (Timing chain has jumped teeth or chain stretched)
  2. ECM
 Comes on DTC stored
P0018  Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor A)
  1. Mechanical system (Timing chain has jumped teeth or chain stretched)
  2. ECM
 Comes on DTC stored
P0019  Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor B)
  1. Mechanical system (Timing chain has jumped teeth or chain stretched)
  2. ECM
 Comes on DTC stored
P0020  Camshaft Position "A" Actuator Circuit (Bank 2)
  1. Open or short in OCV circuit for intake camshaft
  2. OCV for intake camshaft (bank 2)
  3. ECM
 Comes on DTC stored
P0021  Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 2)
  1. Valve timing
  2. OCV for intake camshaft
  3. OCV filter
  4. Intake camshaft timing gear assembly
  5. ECM
 Comes on DTC stored
P0022  Camshaft Position "A" - Timing Over-Retarded (Bank 2)
  1. Valve timing
  2. OCV for intake camshaft
  3. OCV filter
  4. Intake camshaft timing gear assembly
  5. ECM
 Comes on DTC stored
P0023  Camshaft Position "B" Actuator Circuit / Open (Bank 2)
  1. Open or short in OCV for exhaust camshaft circuit
  2. OCV for exhaust camshaft (bank 2)
  3. ECM
 Comes on DTC stored
P0024  Camshaft Position "B" - Timing Over-Advanced or System Performance (Bank 2)
  1. Valve timing
  2. OCV for exhaust camshaft
  3. OCV filter
  4. Exhaust camshaft timing gear assembly
  5. ECM
 Comes on DTC stored
P0025  Camshaft Position "B" - Timing Over-Retarded (Bank 2)
  1. Valve timing
  2. OCV for exhaust camshaft
  3. OCV filter
  4. Exhaust camshaft timing gear assembly
  5. ECM
 Comes on DTC stored
P0031  Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)
  1. Open in A/F sensor heater circuit
  2. A/F sensor heater
  3. A/F sensor heater relay
  4. ECM
 Comes on DTC stored
P0032  Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor D
  1. Short in A/F sensor heater circuit
  2. A/F sensor heater
  3. A/F sensor heater relay
  4. ECM
 Comes on DTC stored
P0037  Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2)
  1. Open in HO2 sensor heater circuit
  2. HO2 sensor heater
  3. EFI relay
  4. ECM
 Comes on DTC stored
P0038  Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2)
  1. Open in HO2 sensor heater circuit
  2. HO2 sensor heater
  3. EFI relay
  4. ECM
 Comes on DTC stored
P0051  Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 2 Sensor D
  1. Open in A/F sensor heater circuit
  2. A/F sensor heater
  3. A/F sensor heater relay
  4. ECM
 Comes on DTC stored
P0052  Oxygen (A/F) Sensor Heater Control Circuit High (Bank 2 Sensor D
  1. Short in A/F sensor heater circuit
  2. A/F sensor heater
  3. A/F sensor heater relay
  4. ECM
 Comes on DTC stored
P0057  Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 2)
  1. Open in HO2 sensor heater circuit
  2. HO2 sensor heater
  3. EFI relay
  4. ECM
 Comes on DTC stored
P0058  Oxygen Sensor Heater Control Circuit High (Bank 2 Sensor 2)
  1. Open in HO2 sensor heater circuit
  2. HO2 sensor heater
  3. EFI relay
  4. ECM
 Comes on DTC stored
P0100  Mass or Volume Air Flow Circuit
  1. Open or short in MAF meter circuit
  2. MAF meter
  3. ECM
 Comes on DTC stored
P0101  Mass or Volume Air Flow Circuit Range / Performance Problem MAF meter Comes on DTC stored
P0102  Mass or Volume Air Flow Circuit Low Input
  1. Open in MAF meter circuit
  2. Short in ground circuit
  3. MAF meter
  4. ECM
 Comes on DTC stored
P0103  Mass or Volume Air Flow Circuit High Input
  1. Short in MAF meter circuit (+B circuit)
  2. MAF meter
  3. ECM
 Comes on DTC stored
P0110  Intake Air Temperature Circuit
  1. Open or short in IAT sensor circuit
  2. IAT sensor (built into MAF meter)
  3. ECM
 Comes on DTC stored
P0111  Intake Air Temperature Sensor Gradient Too High Mass air flow meter assembly Comes 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
 Comes 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
 Comes on DTC stored
P0115  Engine Coolant Temperature Circuit
  1. Open or short in ECT sensor circuit
  2. ECT sensor
  3. ECM
 Comes on DTC stored
P0116  Engine Coolant Temperature Circuit Range / Performance Problem
  1. Thermostat
  2. ECT sensor
 Comes on DTC stored
P0117  Engine Coolant Temperature Circuit Low Input
  1. Short in ECT sensor circuit
  2. ECT sensor
  3. ECM
 Comes on DTC stored
P0118  Engine Coolant Temperature Circuit High Input
  1. Open in ECT sensor circuit
  2. ECT sensor
  3. ECM
 Comes on DTC stored
P0120  Throttle / Pedal Position Sensor / Switch "A" Circuit
  1. Throttle Position (TP) sensor (built into throttle body)
  2. ECM
 Comes on DTC stored
P0121  Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem TP sensor (built into throttle body) Comes 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
 Comes 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
 Comes on DTC stored
P0125  Insufficient Coolant Temperature for Closed Loop Fuel Control
  1. Cooling system
  2. Engine coolant temperature sensor
  3. Thermostat
 Comes on DTC stored
P0128  Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
  1. Thermostat
  2. Cooling system
  3. ECT sensor
  4. ECM
 Comes on DTC stored
P0136  Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
  1. Open or short in HO2 sensor (bank 1, 2 sensor 2) circuit
  2. HO2 sensor (bank 1, 2 sensor 2)
  3. HO2 sensor heater (bank 1, 2 sensor 2)
  4. Air-Fuel Ratio (A/F) sensor (bank 1, 2 sensor 1)
  5. EFI relay
  6. Gas leakage from exhaust system
 Comes on DTC stored
P0137  Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2)
  1. Open in HO2 sensor (bank 1, 2 sensor 2) circuit
  2. HO2 sensor (bank 1,2 sensor 2)
  3. HO2 sensor heater (bank 1, 2 sensor 2)
  4. EFI relay
  5. Gas leakage from exhaust system
 Comes on DTC stored
P0138  Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2)
  1. Short in HO2 sensor(bank 1, 2 sensor 2) circuit
  2. HO2 sensor (bank 1, 2 sensor 2)
  3. ECM internal circuit malfunction
 Comes on DTC stored
P0141  Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
  1. HO2 sensor
  2. ECM
 Comes on DTC stored
P0156  Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 2)
  1. Open or short in HO2 sensor (bank 1, 2 sensor 2) circuit
  2. HO2 sensor (bank 1, 2 sensor 2)
  3. HO2 sensor heater (bank 1, 2 sensor 2)
  4. Air-Fuel Ratio (A/F)sensor(bank 1,2 sensor 1)
  5. EFI relay
  6. Gas leakage from exhaust system
 Comes on DTC stored
P0157  Oxygen Sensor Circuit Low Voltage (Bank 2 Sensor 2)
  1. Open in HO2 sensor (bank 1, 2 sensor 2) circuit
  2. HO2 sensor (bank 1, 2 sensor 2)
  3. HO2 sensor heater (bank 1, 2 sensor 2)
  4. EFI relay
  5. Gas leakage from exhaust system
 Comes on DTC stored
P0158  Oxygen Sensor Circuit High Voltage (Bank 2 Sensor 2)
  1. Short in HO2 sensor(bank 1, 2 sensor 2) circuit
  2. HO2 sensor (bank 1, 2 sensor 2)
  3. ECM internal circuit malfunction
 Comes on DTC stored
P0161  Oxygen Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)
  1. HO2 sensor
  2. ECM
 Comes on DTC stored
P0171  System Too Lean (Bank 1)
  1. Air induction system
  2. Injector blockage
  3. Mass Air Flow (MAF) meter
  4. Engine Coolant Temperature (ECT) sensor
  5. Fuel pressure
  6. Gas leakage from exhaust system
  7. Open or short in A/F sensor(bank 1, 2 sensor 1) circuit
  8. A/F sensor (bank 1, 2 sensor 1)
  9. A/F sensor heater (bank 1, 2 sensor 1)
  10. A/F sensor heater relay
  11. A/F sensor heater and A/F sensor heater relay circuits
  12. PCV valve and hose
  13. PCV hose connections
  14. ECM
 Comes 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, 2 sensor 1) circuit
  8. A/F sensor (bank 1, 2 sensor 1)
  9. A/F sensor heater (bank 1, 2 sensor 1)
  10. A/F sensor heater relay
  11. A/F sensor heater and A/F sensor heater relay circuits
  12. ECM
 Comes on DTC stored
P0174  System Too Lean (Bank 2)
  1. Air induction system
  2. Injector blockage
  3. Mass Air Flow (MAF) meter
  4. Engine Coolant Temperature (ECT) sensor
  5. Fuel pressure
  6. Gas leakage from exhaust system
  7. Open or short in A/F sensor(bank 1, 2 sensor 1) circuit
  8. A/F sensor (bank 1, 2 sensor 1)
  9. A/F sensor heater (bank 1, 2 sensor 1)
  10. A/F sensor heater relay
  11. A/F sensor heater and A/F sensor heater relay circuits
  12. PCV valve and hose
  13. PCV hose connections
  14. ECM
 Comes 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 1, 2 sensor 1) circuit
  8. A/F sensor (bank 1, 2 sensor 1)
  9. A/F sensor heater (bank 1, 2 sensor 1)
  10. A/F sensor heater relay
  11. A/F sensor heater and A/F sensor heater relay circuits
  12. ECM
 Comes on DTC stored
P0220  Throttle / Pedal Position Sensor / Switch "B" Circuit
  1. TP sensor (built into throttle body)
  2. ECM
 Comes 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
 Comes on DTC stored
P0223  Throttle / Pedal "I 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
 Comes on DTC stored
P0230  Fuel Pump Primary Circuit
  1. Open or short in F/ PMP relay circuit
  2. F/PMP circuit
  3. ECM
 - DTC stored
P0300  Random / Multiple Cylinder Misfire Detected
  1. Open or short in engine wire harness
  2. Connector connections
  3. Vacuum hose connections
  4. Ignition system
  5. Injector
  6. Fuel pressure
  7. Mass Air Flow (MAF) meter
  8. Engine Coolant Temperature (ECT) sensor
  9. Compression pressure
  10. Valve clearance
  11. Valve timing
  12. PCV hose
  13. PCV
  14. Air induction system
  15. ECM
 Comes on or flashes DTC stored
P0301  Cylinder 1 Misfire Detected Same as DTC P0300 Comes on or flashes DTC stored
P0302  Cylinder 2 Misfire Detected Same as DTC P0300 Comes on or flashes DTC stored
P0303  Cylinder 3 Misfire Detected Same as DTC P0300 Comes on or flashes DTC stored
P0304  Cylinder 4 Misfire Detected Same as DTC P0300 Comes on or flashes DTC stored
P0305  Cylinder 5 Misfire Detected Same as DTC P0300 Comes on or flashes DTC stored
P0306  Cylinder 6 Misfire Detected Same as DTC P0300 Comes on or flashes DTC stored
P0327  Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor)
  1. Short in knock sensor 1 or 2 circuit
  2. Knock sensor 1 or 2
  3. ECM
 Comes on DTC stored
P0328  Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)
  1. Open in knock sensor 1 or 2 circuit
  2. Knock sensor 1 or 2
  3. ECM
 Comes on DTC stored
P0332  Knock Sensor 2 Circuit Low Input (Bank 2)
  1. Short in knock sensor 1 or 2 circuit
  2. Knock sensor 1 or 2
  3. ECM
 Comes on DTC stored
P0333  Knock Sensor 2 Circuit High Input (Bank 2)
  1. Open in knock sensor 1 or 2 circuit
  2. Knock sensor 1 or 2
  3. ECM
 Comes on DTC stored
P0335  Crankshaft Position Sensor "A" Circuit
  1. Open or short in CKP sensor circuit
  2. CKP sensor
  3. Sensor plate (CKP sensor plate)
  4. ECM
 Comes on DTC stored
P0339  Crankshaft Position Sensor "A" Circuit Intermittent
  1. Open or short in CKP sensor circuit
  2. CKP sensor
  3. Sensor plate (CKP sensor plate)
  4. ECM
 Does not come on DTC stored
P0340  Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor)
  1. Open or short in VVT sensor circuit for intake camshaft
  2. VVT sensor for intake camshaft
  3. Camshaft timing pulley
  4. Jumped tooth of timing chain
  5. ECM
 Comes on DTC stored
P0342  Camshaft Position Sensor "A" Circuit Low Input (Bank 1 or Single Sensor)
  1. Open or short in VVT sensor circuit for intake camshaft
  2. VVT sensor for intake camshaft
  3. Camshaft timing pulley
  4. Jumped tooth of timing chain
  5. ECM
 Comes on DTC stored
P0343  Camshaft Position Sensor "A" Circuit High Input (Bank 1 or Single Sensor)
  1. Open or short in VVT sensor circuit for intake camshaft
  2. VVT sensor for intake camshaft
  3. Camshaft timing pulley
  4. Jumped tooth of timing chain
  5. ECM
 Comes on DTC stored
P0345  Camshaft Position Sensor "A" Circuit (Bank 2)
  1. Open or short in VVT sensor circuit for intake camshaft
  2. VVT sensor for intake camshaft
  3. Camshaft timing pulley
  4. Jumped tooth of timing chain
  5. ECM
 Comes on DTC stored
P0347  Camshaft Position Sensor "A" Circuit Low Input (Bank 2)
  1. Open or short in VVT sensor circuit for intake camshaft
  2. VVT sensor for intake camshaft
  3. Camshaft timing pulley
  4. Jumped tooth of timing chain
  5. ECM
 Comes on DTC stored
P0348  Camshaft Position Sensor "A" Circuit High Input (Bank 2)
  1. Open or short in VVT sensor circuit for intake camshaft
  2. VVT sensor for intake camshaft
  3. Camshaft timing pulley
  4. Jumped tooth of timing chain
  5. ECM
 Comes on DTC stored
P0351  Ignition Coil "A" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF1 or IGT circuit (1 to 6) between ignition coil with igniter and ECM
  3. No. 1 to No. 6 ignition coils with igniters
  4. ECM
 Comes on DTC stored
P0352  Ignition Coil "B" Primary / Secondary Circuit Same as DTC P0351 Comes on DTC stored
P0353  Ignition Coil "C" Primary / Secondary Circuit Same as DTC P0351 Comes on DTC stored
P0354  Ignition Coil "D" Primary / Secondary Circuit Same as DTC P0351 Comes on DTC stored
P0355  Ignition Coil "E" Primary / Secondary Circuit Same as DTC P0351 Comes on DTC stored
P0356  Ignition Coil "F" Primary / Secondary Circuit Same as DTC P0351 Comes on DTC stored
P0365  Camshaft Position Sensor "B" Circuit (Bank 1)
  1. Open or short in VVT sensor for exhaust camshaft circuit
  2. VVT sensor for exhaust camshaft
  3. Exhaust camshaft
  4. ECM
 Comes on DTC stored
P0367  Camshaft Position Sensor "B" Circuit Low Input (Bank 1)
  1. Open or short in VVT sensor for exhaust camshaft circuit
  2. VVT sensor for exhaust camshaft
  3. Exhaust camshaft
  4. Jumped teeth of timing chain
  5. ECM
 Comes on DTC stored
P0368  Camshaft Position Sensor "B" Circuit High Input (Bank 1)
  1. Open or short in VVT sensor for exhaust camshaft circuit
  2. VVT sensor for exhaust camshaft
  3. Exhaust camshaft
  4. Jumped teeth of timing chain
  5. ECM
 Comes on DTC stored
P0390  Camshaft Position Sensor "B" Circuit (Bank 2)
  1. Open or short in VVT sensor for exhaust camshaft circuit
  2. VVT sensor for exhaust camshaft
  3. Exhaust camshaft
  4. ECM
 Comes on DTC stored
P0392  Camshaft Position Sensor "B" Circuit Low Input (Bank 2)
  1. Open or short in VVT sensor for exhaust camshaft circuit
  2. VVT sensor for exhaust camshaft
  3. Exhaust camshaft
  4. Jumped teeth of timing chain
  5. ECM
 Comes on DTC stored
P0393  Camshaft Position Sensor "B" Circuit High Input (Bank 2)
  1. Open or short in VVT sensor for exhaust camshaft circuit
  2. VVT sensor for exhaust camshaft
  3. Exhaust camshaft
  4. Jumped teeth of timing chain
  5. ECM
 Comes 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. Exhaust manifold (TWC)
 Comes 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. Exhaust manifold (TWC)
 Comes on DTC stored
P043E  Evaporative Emission System Reference Orifice Clog Up
  1. Pump module
  2. Connector/wire harness (Pump module - ECM)
  3. ECM
 Comes on DTC stored
P043F  Evaporative Emission System Reference Orifice High Flow
  1. Pump module
  2. Connector/wire harness (Pump module - ECM)
  3. ECM
 Comes on DTC stored
P0441  Evaporative Emission Control System Incorrect Purge Flow
  1. Purge VSV
  2. Purge VSV circuit (between purge VSV and ECM)
  3. Leakage from EVAP line (between purge VSV and intake manifold)
  4. EVAP line clogged (between purge VSV and canister)
  5. ECM
 Comes on DTC stored
P0450  Evaporative Emission Control System Pressure Sensor / Switch
  1. Pump module
  2. ECM
 Comes on DTC stored
P0451  Evaporative Emission Control System Pressure Sensor Range / Performance
  1. Pump module
  2. Connector/wire harness (Pump module - ECM)
  3. ECM
 Comes on DTC stored
P0452  Evaporative Emission Control System Pressure Sensor / Switch Low Input
  1. Pump module
  2. Connector/wire harness (Pump module - ECM)
  3. ECM
 Comes on DTC stored
P0453  Evaporative Emission Control System Pressure Sensor / Switch High Input
  1. Pump module
  2. Connector/wire harness (Pump module - ECM)
  3. ECM
 Comes on DTC stored
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. Leakage from pump module
  5. Leakage from fuel tank
  6. Leakage from canister
 Comes on DTC stored
P0456  Evaporative Emission Control System Leak Detected (Very Small Leak) Same as DTC P0455 Comes 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
 Comes on DTC stored
P0504  Brake Switch "A"/"B" Correlation
  1. Short in stop light switch signal circuit
  2. STOP fuse
  3. Stop light switch
  4. ECM
 Does not come on DTC stored
P0505  Idle Control System Malfunction
  1. ETCS
  2. Air induction system
  3. PCV hose connection
  4. ECM
 Comes on DTC stored
P050A  Cold Start Idle Air Control System Performance
  1. Throttle body assembly
  2. Mass air flow meter
  3. Air induction system
  4. PCV hose connections
  5. VVT system
  6. Air cleaner filter element
  7. ECM
 Comes on (except when there is a malfunction in the cruise control switch circuit) DTC stored
P050B  Cold Start Ignition Timing Performance
  1. Throttle body assembly
  2. Mass air flow meter
  3. Air induction system
  4. PCV hose connections
  5. VVT system
  6. Air cleaner filter element
  7. ECM
 Comes on DTC stored
P0560  System Voltage
  1. Open in back up power source circuit
  2. EFI No. 1 fuse
  3. ECM
 Comes on DTC stored
P0604  Internal Control Module Random Access Memory (RAM) Error ECM Comes on DTC stored
P0606  ECM / PCM Processor ECM Comes on (Except when there is a malfunction in the ECM internal circuit) DTC stored
P0607  Control Module Performance ECM Comes on (Except when there is a malfunction in the cruise control switch circuit) DTC stored
P0617  Starter Relay Circuit High
  1. Park/Neutral Position (PNP) switch
  2. Starter relay circuit
  3. Ignition switch
  4. ECM
 Comes on DTC stored
P0630  VIN not Programmed or Mismatch - ECM / PCM ECM Comes on DTC stored
P0657  Actuator Supply Voltage Circuit / Open ECM Comes on DTC stored
P0705  Transmission Range Sensor Circuit Malfunction (PRNDL Input)
  1. Open or short in park/neutral position switch circuit
  2. Park/neutral position switch
  3. ECM
 Comes on DTC stored
P0724  Brake Switch "B" Circuit High
  1. Short in stop light switch signal circuit
  2. Stop light switch
  3. ECM
 Comes on DTC stored
P2102  Throttle Actuator Control Motor Circuit Low
  1. Open in throttle actuator circuit
  2. Throttle actuator
  3. ECM
 Comes 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
  5. ECM
 Comes on DTC stored
P2111  Throttle Actuator Control System - Stuck Open
  1. Throttle actuator
  2. Throttle body
  3. Throttle valve
 Comes on DTC stored
P2112  Throttle Actuator Control System - Stuck Closed
  1. Throttle actuator
  2. Throttle body
  3. Throttle valve
 Comes on DTC stored
P2118  Throttle Actuator Control Motor Current Range / Performance
  1. Open in ETCS power source circuit
  2. ETCS fuse
  3. ECM
 Comes on DTC stored
P2119  Throttle Actuator Control Throttle Body Range / Performance
  1. ETCS
  2. ECM
 Comes on DTC stored
P2120  Throttle / Pedal Position Sensor / Switch "D" Circuit
  1. Accelerator Pedal Position (APP) sensor
  2. ECM
 Comes on DTC stored
P2121  Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance
  1. Accelerator position (APP) sensor
  2. ECM
 Comes 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 VPA circuit
  4. ECM
 Comes on DTC stored
P2123  Throttle / Pedal Position Sensor / Switch "D" Circuit High Input
  1. APP sensor
  2. Open in EPA circuit
  3. ECM
 Comes on DTC stored
P2125  Throttle / Pedal Position Sensor / Switch "E" Circuit
  1. APP sensor
  2. ECM
 Comes 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
 Comes on DTC stored
P2128  Throttle / Pedal Position Sensor / Switch "E" Circuit High Input
  1. APP sensor
  2. Open in EPA2 circuit
  3. ECM
 Comes 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
 Comes 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
 Comes 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, 2 sensor 1) circuit
  2. A/F sensor (bank 1,2 sensor 1)
  3. A/F sensor (bank 1, 2 sensor 1) heater
  4. A/F sensor heater relay
  5. A/F sensor heater and relay circuits
  6. Air induction system
  7. Fuel pressure
  8. Injector
  9. ECM
 Comes on DTC stored
P2196  Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1)
  1. Open or short in A/F sensor(bank 1,2 sensor 1) circuit
  2. A/F sensor (bank 1, 2 sensor 1)
  3. A/F sensor (bank 1, 2 sensor 1) heater
  4. A/F sensor heater relay
  5. A/F sensor heater and relay circuits
  6. Air induction system
  7. Fuel pressure
  8. Injector
  9. ECM
 Comes on DTC stored
P2197  Oxygen (A/F) Sensor Signal Stuck Lean (Bank 2 Sensor 1)
  1. Open or short in A/F sensor(bank 1, 2 sensor 1) circuit
  2. A/F sensor (bank 1,2 sensor 1)
  3. A/F sensor (bank 1, 2 sensor 1) heater
  4. A/F sensor heater relay
  5. A/F sensor heater and relay circuits
  6. Air induction system
  7. Fuel pressure
  8. Injector
  9. ECM
 Comes on DTC stored
P2198  Oxygen (A/F) Sensor Signal Stuck Rich (Bank 2 Sensor 1)
  1. Open or short in A/F sensor(bank 1, 2 sensor 1) circuit
  2. A/F sensor (bank 1,2 sensor 1)
  3. A/F sensor (bank 1, 2 sensor 1) heater
  4. A/F sensor heater relay
  5. A/F sensor heater and relay circuits
  6. Air induction system
  7. Fuel pressure
  8. Injector
  9. ECM
 Comes 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, 2 sensor 1) circuit
  2. A/F sensor (bank 1,2 sensor 1)
  3. A/F sensor heater (bank 1,2 sensor 1)
  4. A/F sensor heater relay
  5. A/F sensor heater and relay circuits
  6. ECM
 Comes 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, 2 sensor 1) circuit
  2. A/F sensor (bank 1, 2 sensor 1)
  3. A/F sensor heater
  4. A/F sensor heater relay
  5. A/F sensor heater and relay circuits
  6. ECM
 Comes 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 1, 2 sensor 1) circuit
  2. A/F sensor (bank 1, 2 sensor 1)
  3. A/F sensor heater (bank 1, 2 sensor 1)
  4. A/F sensor heater relay
  5. A/F sensor heater and relay circuits
  6. ECM
 Comes 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 1, 2 sensor 1) circuit
  2. A/F sensor (bank 1, 2 sensor 1)
  3. A/F sensor heater
  4. A/F sensor heater relay
  5. A/F sensor heater and relay circuits
  6. ECM
 Comes 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 1,2 sensor 1) circuit
  2. A/F sensor (bank 1,2 sensor 1)
  3. A/F sensor heater
  4. A/F sensor heater relay
  5. A/F sensor heater and relay circuits
  6. ECM
 Comes 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, 2 sensor 1) circuit
  2. A/F sensor (bank 1,2 sensor 1)
  3. A/F sensor heater
  4. A/F sensor heater relay
  5. A/F sensor heater and relay circuits
  6. ECM
 Comes 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 1, 2 sensor 1) circuit 2, A/F sensor (bank 1,2 sensor 1)
  2. A/F sensor heater
  3. A/F sensor heater relay
  4. A/F sensor heater and relay circuits
  5. ECM
 Comes 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 1, 2 sensor 1) circuit
  2. A/F sensor (bank 1,2 sensor 1)
  3. A/F sensor heater
  4. A/F sensor heater relay
  5. A/F sensor heater and relay circuits
  6. ECM
 Comes oh DTC stored
P2401  Evaporative Emission System Leak Detection Pump Control Circuit Low
  1. Pump module
  2. Connector/wire harness (Pump module - ECM)
  3. ECM
 Comes on DTC stored
P2402  Evaporative Emission System Leak Detection Pump Control Circuit High
  1. Pump module
  2. Connector/wire harness (Pump module - ECM)
  3. ECM
 Comes on DTC stored
P2419  Evaporative Emission System Switching Valve Control Circuit Low
  1. Pump module
  2. Connector/wire harness (Pump module - ECM)
  3. ECM
 Comes on DTC stored
P2420  Evaporative Emission System Switching Valve Control Circuit High
  1. Pump module (0.02 inch orifice, vacuum pump, vent valve)
  2. Connector / wire harness (pump module - ECM)
  3. ECM
 Comes on DTC stored
P2610  ECM / PCM Internal Engine Off Timer Performance ECM Comes on DTC stored
P2A00  A/F Sensor Circuit Slow Response (Bank 1 Sensor 1)
  1. Open or short in A/F sensor circuit
  2. A/F sensor
  3. ECM
 Comes on DTC stored
P2A03  A/F Sensor Circuit Slow Response (Bank 2 Sensor 1)
  1. Open or short in A/F sensor circuit
  2. A/F sensor
  3. ECM
 Comes on DTC stored
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