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Diagnostic Trouble Code Chart

HINT:

The parameters listed in the chart are for reference only. Factors such as instrument type may cause readings to differ slightly from stated values.

If any DTCs are displayed during a check mode DTC check, check the circuit for the DTCs listed in the table below.

DIAGNOSTIC TROUBLE CODE CHART

DTC No. Detection Item Trouble Areas MIL Memory
P0010  Camshaft Position "A" Actuator Circuit (Bank 1)
  1. Open or short in oil control valve (OCV) circuit
  2. OCV
  3. ECM
 Comes on DTC Stored
P0011  Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1)
  1. Valve timing
  2. Oil control valve (OCV)
  3. OCV filter
  4. Camshaft timing gear assembly
  5. ECM
 Comes on DTC Stored
P0012  Camshaft Position "A" - Timing Over-Retarded (Bank 1)
  1. Valve timing
  2. Oil control valve (OCV)
  3. OCV filter
  4. 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 tooth or chain stretched)
  2. ECM
 Comes on DTC Stored
P0031  Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 1)
  1. Open or short in Heated Oxygen (HO2) sensor heater circuit
  2. HO2 sensor heater
  3. EFI relay
  4. ECM
 Comes on DTC Stored
P0032  Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 1)
  1. Short in Heated Oxygen (HO2) sensor heater circuit
  2. HO2 sensor heater
  3. EFI relay
  4. ECM
 Comes on DTC Stored
P0037  Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2)
  1. Open or short in Heated Oxygen (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. Short in Heated Oxygen (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 Mass Air Flow (MAF) meter circuit
  2. MAF meter
  3. ECM
 Comes on DTC Stored
P0101  Mass or Volume Air Flow Circuit Range / Performance Problem
  1. Mass Air Flow (MAF) meter
 Comes on DTC Stored
P0102  Air Flow Meter Circuit Low Input
  1. Open or short in Mass Air Flow (MAF) meter circuit
  2. MAF meter
  3. ECM
 Comes on DTC Stored
P0103  Mass or Volume Air Flow Circuit High Input
  1. Short in Mass Air Flow (MAF) meter circuit
  2. MAF meter
  3. ECM
 Comes on DTC Stored
P0110  Intake Air Temperature Circuit
  1. Open or short in Intake Air Temperature (IAT) sensor circuit
  2. IAT sensor (built in Mass Air Flow [MAF] meter)
  3. ECM
 Comes on DTC Stored
P0112  Intake Air Temperature Circuit Low Input
  1. Short in Intake Air Temperature (IAT) sensor circuit
  2. IAT sensor (built in Mass Air Flow [MAF] meter)
  3. ECM
 Comes on DTC Stored
P0113  Intake Air Temperature Circuit High Input
  1. Open or short in Intake Air Temperature (IAT) sensor circuit
  2. IAT sensor (built in Mass Air Flow [MAF] meter)
  3. ECM
 Comes on DTC Stored
P0115  Engine Coolant Temperature Circuit
  1. Open or short in Engine Coolant Temperature (ECT) sensor circuit
  2. ECT sensor
  3. ECM
 Comes on DTC Stored
P0116  Engine Coolant Temperature Circuit Range / Performance Problem
  1. Engine Coolant Temperature (ECT) sensor
 Comes on DTC Stored
P0117  Engine Coolant Temperature Circuit Low Input
  1. Short in Engine Coolant Temperature (ECT) sensor circuit
  2. ECT sensor
  3. ECM
 Comes on DTC Stored
P0118  Engine Coolant Temperature Circuit High Input
  1. Open in Engine Coolant Temperature (ECT) sensor circuit
  2. ECT sensor
  3. ECM
 Comes on DTC Stored
P0120  Throttle / Pedal Position Sensor / Switch "A" Circuit
  1. Open or short in Throttle Position (TP) sensor circuit
  2. TP sensor (built into throttle body)
  3. ECM
 Comes on DTC Stored
P0121  Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem
  1. TP sensor (built into throttle body)
 Comes on DTC Stored
P0122  Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input
  1. Throttle Position (TP) sensor (built in throttle body)
  2. Short in VTA circuit
  3. Open in VC circuit
  4. ECM
 Comes on DTC Stored
P0123  Throttle / Pedal Position Sensor / Switch "A" Circuit High Input
  1. Throttle Position (TP) sensor (built in throttle body)
  2. Open in VTA circuit
  3. Open in E2 circuit
  4. Short between VC and VTA circuit
  5. ECM
 Comes on DTC Stored
P0125  Insufficient Coolant Temperature for Closed Loop Fuel Control
  1. Cooling system
  2. ECT 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
P0130  Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 1)
  1. Open or short in Heated Oxygen (HO2) sensor (bank 1 sensor 1) circuit
  2. HO2 sensor (bank 1 sensor 1)
  3. HO2 sensor heater (bank 1 sensor 1)
  4. EFI relay
  5. Air induction system
  6. Fuel pressure
  7. Injector
  8. ECM
 Comes on DTC Stored
P0133  Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 1)
  1. Open or short in Heated Oxygen (HO2) sensor (bank 1 sensor 1) circuit
  2. HO2 sensor (bank 1 sensor 1)
  3. HO2 sensor heater (bank 1 sensor 1)
  4. EFI relay
  5. Air induction system
  6. Fuel pressure
  7. Injector
  8. ECM
 Comes on DTC Stored
P0134  Oxygen Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
  1. Open or short in Heated Oxygen (HO2) sensor (bank 1 sensor 1) circuit
  2. HO2 sensor (bank 1 sensor 1)
  3. HO2 sensor heater (bank 1 sensor 1)
  4. EFI relay
  5. Air induction system
  6. Fuel pressure
  7. PCV hose connection
  8. PCV valve and hose
  9. Injector
  10. Gas leakage in exhaust system
  11. PCV piping
  12. ECM
 Comes on DTC Stored
P0136  Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
  1. Open or short in Heated Oxygen (HO2) sensor (bank 1 sensor 2) circuit
  2. HO2 sensor (bank 1 sensor 2)
  3. HO2 sensor heater (bank 1 sensor 2)
  4. EFI relay
 Comes on DTC Stored
P0138  Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2)
  1. HO2 sensor (bank 1 sensor 2)
  2. Short in HO2 sensor (bank 1 sensor 2) circuit
 Comes on DTC Stored
P0139  Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 2)
  1. Short in HO2 sensor (sensor 2) circuit
  2. HO2 sensor (sensor 2)
  3. ECM internal circuit malfunction
 Comes on DTC Stored
P0171  System Too Lean (Bank 1)
  1. Air induction system
  2. Injector blockage
  3. Mass air flow meter
  4. Engine coolant temperature sensor
  5. Fuel pressure
  6. Gas leakage from exhaust system
  7. Open or short in HO2 sensor (bank 1 sensor 1) circuit
  8. HO2 sensor (bank 1 sensor 1)
  9. HO2 sensor heater (bank 1 sensor 1)
  10. EFI relay
  11. PCV valve and hose
  12. PCV valve and hose
  13. ECM
 Comes on DTC Stored
P0172  System Too Rich (Bank 1)
  1. Injector leakage or blockage
  2. Mass Air Flow (MAF) meter
  3. Engine Coolant Temperature (ECT) sensor
  4. Ignition system
  5. Fuel pressure
  6. Gas leakage from exhaust system
  7. Open or short in Heated Oxygen (HO2) sensor (bank 1 sensor 1) circuit
  8. HO2 sensor (bank 1 sensor 1)
  9. HO2 sensor heater (bank 1 sensor 1)
  10. EFI relay
  11. ECM
 Comes on 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. Injectors
  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 connections
  13. PCV hose
  14. ECM
 Comes on or flashes
P0301  Cylinder 1 Misfire Detected
  1. Same as DTC P0300
 Comes on or flashes DTC Stored
P0302  Cylinder 2 Misfire Detected
  1. Same as DTC P0300
 Comes on or flashes DTC Stored
P0303  Cylinder 3 Misfire Detected
  1. Same as DTC P0300
 Comes on or flashes DTC Stored
P0304  Cylinder 4 Misfire Detected
  1. 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 circuit
  2. Knock sensor
  3. ECM
 Comes on DTC Stored
P0328  Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)
  1. Open in knock sensor circuit
  2. Knock sensor
  3. ECM
 Comes on DTC Stored
P0335  Crankshaft Position Sensor "A" Circuit
  1. Open or short in Crankshaft Position (CKP) sensor circuit
  2. CKP sensor
  3. Signal plate (CKP sensor plate)
  4. ECM
 Comes on DTC Stored
P0339  Crankshaft Position Sensor "A" Circuit Intermittent
  1. Open or short in Crankshaft Position (CKP) sensor circuit
  2. CKP sensor
  3. Signal 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 Crankshaft Position (CKP) sensor circuit
  2. CKP sensor
  3. Camshaft
  4. Timing chain has jumped tooth
  5. ECM
 Comes on DTC Stored
P0341  Camshaft Position Sensor "A" Circuit Range / Performance (Bank 1 or Single Sensor)
  1. Open or short in Crankshaft Position (CKP) sensor circuit
  2. CKP sensor
  3. Camshaft
  4. Timing chain has jumped tooth
  5. ECM
 Comes on DTC Stored
P0351 (1) Ignition Coil "A" Primary / Secondary Circuit
  1. Ignition system
  2. Open or short in IGF or IGT circuit (1 to 4) between ignition coil with igniter and ECM
  3. Ignition coils with igniters
  4. ECM
 Comes on DTC Stored
P0352 (1) Ignition Coil "B" Primary / Secondary Circuit
  1. Same as DTC P0351
 Comes on DTC Stored
P0353 (1) Ignition Coil "C" Primary / Secondary Circuit
  1. Same as DTC P0351
 Comes on DTC Stored
P0354 (1) Ignition Coil "D" Primary / Secondary Circuit
  1. Same as DTC P0351
 Comes on DTC Stored
P0420  Catalyst System Efficiency Below Threshold (Bank 1)
  1. Gas leakage from exhaust system
  2. Heated Oxygen (HO2) sensor (bank 1 sensor 1, 2)
  3. Three-Way Catalytic Converter (TWC)
 Comes on DTC Stored
P043E  Evaporative Emission System Reference Orifice Clog Up
  1. Pump module
  2. Connector/Wire harness (between pump module and ECM)
  3. ECM
  4. Leakage from EVAP system
 Comes on DTC Stored
P043F  Evaporative Emission System Reference Orifice High Flow
  1. Pump module
  2. Connector/Wire harness (between pump module and ECM)
  3. ECM
  4. Leakage from EVAP system
 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 (between Purge VSV and canister) clogged
  5. ECM
 Comes on DTC Stored
P0450  Evaporative Emission Control System Pressure Sensor / Switch
  1. Pump module (including pressure sensor)
  2. Connector/Wire harness (between pump module and ECM)
  3. ECM
 Comes on DTC Stored
P0451  Evaporative Emission Control System Pressure Sensor Range / Performance
  1. Pump module (including pressure sensor)
  2. Connector/Wire harness (between pump module and ECM)
  3. ECM
 Comes on DTC Stored
P0452  Evaporative Emission Control System Pressure Sensor / Switch Low Input
  1. Pump module (including pressure sensor)
  2. Connector/Wire harness (between pump module and ECM)
  3. ECM
 Comes on DTC Stored
P0453  Evaporative Emission Control System Pressure Sensor / Switch High Input
  1. Pump module (including pressure sensor)
  2. Connector/Wire harness (between pump module and 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 (between canister and fuel tank)
  3. Leakage from EVAP line (between Purge VSV and canister)
  4. 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)
  1. Same as DTC P0455
 Comes on DTC Stored
P0500  Vehicle Speed Sensor "A"
  1. Open or short in Vehicle Speed (VS) sensor circuit
  2. Vehicle speed sensor
  3. Combination meter
  4. ECM
  5. Stability control ECU
 Comes on DTC Stored
P0505  Idle Control System Malfunction
  1. Open or short in Idle Air Control (IAC) valve circuit
  2. IAC valve stuck or closed
  3. A/C switch circuit
  4. Air induction system
  5. PCV valve and hose
  6. ECM
 Comes on DTC Stored
P0511  Idle Air Control Circuit
  1. Open or short in Idle Air Control (IAC) valve circuit
  2. IAC valve stuck or closed
  3. A/C switch circuit
  4. ECM
 Comes on DTC Stored
P0560  System Voltage
  1. Open in back up power source circuit
  2. EFI fuse
  3. ECM
 Comes on DTC Stored
P0606  ECM / PCM Processor
  1. ECM
 Comes on DTC Stored
P0617  Starter Relay Circuit High
  1. Clutch start switch
  2. Starter relay circuit
  3. Ignition switch
  4. ECM
 Comes on DTC Stored
P0630  VIN not Programmed or Mismatch - ECM / PCM
  1. ECM
 Comes on DTC Stored
P2195  Oxygen Sensor Signal Stuck Lean (Bank 1 Sensor 1)
  1. Open or short in Heated Oxygen (HO2) sensor (bank 1 sensor 1) circuit
  2. HO2 sensor (bank 1 sensor 1)
  3. HO2 sensor heater (bank 1 sensor 1)
  4. EFI relay
  5. Air induction system
  6. Fuel pressure
  7. Injector
  8. ECM
 Comes on DTC Stored
P2196  Oxygen Sensor Signal Stuck Rich (Bank 1 Sensor 1)
  1. Same as DTC P2195
 Comes on DTC Stored
P2401  Evaporative Emission System Leak Detection Pump Control Circuit Low
  1. Pump module
  2. Connector / Wire harness (between pump module and ECM)
  3. ECM
 Comes on DTC Stored
P2402  Evaporative Emission System Leak Detection Pump Control Circuit High
  1. Pump module
  2. Connector / Wire harness (between pump module and ECM)
  3. ECM
 Comes on DTC Stored
P2419  Evaporative Emission System Switching Valve Control Circuit Low
  1. Pump module
  2. Connector / Wire harness (between pump module and ECM)
  3. ECM
 Comes on DTC Stored
P2420  Evaporative Emission System Switching Valve Control Circuit High
  1. Pump module
  2. Connector / Wire harness (between pump module and ECM)
  3. ECM
 Comes on DTC Stored
P2430  Secondary Air Injection System Air Flow / Pressure Sensor Circuit Bank 1
  1. Pressure sensor
  2. Open or short in pressure sensor circuit
  3. Vacuum hose
  4. Check valve
  5. ECM
 Comes on DTC Stored
P2431  Secondary Air Injection System Air Flow / Pressure Sensor Circuit Range / Performance Bank 1
  1. Pressure sensor
  2. Open or short in pressure sensor circuit
  3. Vacuum hose
  4. Check valve
  5. ECM
 Comes on DTC Stored
P2432  Secondary Air Injection System Air Flow / Pressure Sensor Circuit Low Bank 1
  1. Pressure sensor
  2. Short in pressure sensor circuit
  3. Vacuum hose
  4. Check valve
  5. ECM
 Comes on DTC Stored
P2433  Secondary Air Injection System Air Flow / Pressure Sensor Circuit High Bank 1
  1. Pressure sensor
  2. Open in pressure sensor circuit
  3. Vacuum hose
  4. Check valve
  5. ECM
 Comes on DTC Stored
P2440  Secondary Air Injection System Switching Valve Stuck Open Bank 1
  1. VSV
  2. Air switching valve
  3. Open or short in VSV circuit
  4. Pressure sensor
  5. Open or short in pressure sensor circuit
  6. ECM
 Comes on DTC Stored
P2441  Secondary Air Injection System Switching Valve Stuck Close Bank 1
  1. VSV
  2. Air switching valve
  3. Open or short in VSV circuit
  4. Vacuum hose and check valve
  5. Air injection hose
  6. Pressure sensor
  7. Open or short in pressure sensor circuit
  8. ECM
 Comes on DTC Stored
P2444  Secondary Air Injection System Pump Stuck On Bank 1
  1. Short in air pump circuit
  2. Pressure sensor
  3. Air pump assembly
  4. Open or short in pressure sensor circuit
  5. ECM
 Comes on DTC Stored
P2445  Secondary Air Injection System Pump Stuck Off Bank 1
  1. Air pump fuse
  2. Vacuum hose
  3. Air pump assembly
  4. Open in air pump circuit
  5. Air injection system piping
  6. Pressure sensor
  7. Open or short in pressure sensor circuit
  8. ECM
 Comes on DTC Stored
P2610  ECM / PCM Internal Engine Off Timer Performance
  1. ECM
 Comes on DTC Stored
P2645  OCV for VVTL Circuit (Bank 1)
  1. Open or short in Oil Control Valve (OCV) circuit
  2. OCV for VVTL-i
  3. Oil pressure switch for VVTL-i
  4. ECM
 Comes on DTC Stored
P2646  OCV for VVTL Open Malfunction (Bank 1)
  1. Open or short in Oil Control Valve (OCV) circuit
  2. OCV for VVTL-i
  3. Oil pressure switch for VVTL-i
  4. ECM
 Comes on DTC Stored
P2647  OCV for VVTL Close Malfunction (Bank 1)
  1. Open or short in Oil Control Valve (OCV) circuit
  2. OCV for VVTL-i
  3. Oil pressure switch for VVTL-i
  4. ECM
 Comes on DTC Stored
(1) Indicates a malfunction related to the primary circuit
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