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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. For details of each DTC, refer to the page indicated.

DIAGNOSTIC TROUBLE CODE CHART

DTC No. Detection Item Trouble Areas MIL Memory
P0010  Camshaft Position "A" Actuator Circuit (Bank 1)
  • Open or short in Oil Control Valve (OCV) circuit
  • OCV
  • ECM
 Comes on DTC stored
P0011  Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1)
  • Valve timing
  • OCV
  • OCV filter
  • Camshaft timing gear assembly
  • ECM
 Comes on DTC stored
P0012  Camshaft Position "A" - Timing Over-Retarded (Bank 1)
  • Valve timing
  • OCV
  • OCV filter
  • Camshaft timing gear assembly
  • ECM
 Comes on DTC stored
P0016  Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)
  • Mechanical system (timing chain has jumped tooth or chain stretched)
  • ECM
 Comes on DTC stored
P0031  Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 1)
  • Open or short in Heated Oxygen (HO2) sensor heater circuit
  • HO2 sensor heater
  • EFI relay
  • ECM
 Comes on DTC stored
P0032  Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 1)
  • Short in Heated Oxygen (HO2) sensor heater circuit
  • HO2 sensor heater
  • EFI relay
  • ECM
 Comes on DTC stored
P0037  Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2)
  • Open or short in Heated Oxygen (HO2) sensor heater circuit
  • HO2 sensor heater
  • EFI relay
  • ECM
 Comes on DTC stored
P0038  Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2)
  • Short in Heated Oxygen (HO2) sensor heater circuit
  • HO2 sensor heater
  • EFI relay
  • ECM
 Comes on DTC stored
P0100  Mass or Volume Air Flow Circuit
  • Open or short in Mass Air Flow (MAF) meter circuit
  • MAF meter
  • ECM
 Comes on DTC stored
P0101  Mass Air Flow Circuit Range / Performance Problem
  • MAF meter
 Comes on DTC stored
P0102  Mass or Volume Air Flow Circuit Low Input
  • Open or short in MAF meter circuit
  • MAF meter
  • ECM
 Comes on DTC stored
P0103  Mass or Volume Air Flow Circuit High Input
  • Open or short in MAF meter circuit
  • MAF meter
  • ECM
 Comes on DTC stored
P0110  Intake Air Temperature Circuit Malfunction
  • Open or short in Intake Air Temperature (IAT) sensor circuit
  • IAT sensor (built into Mass Air Flow [MAF] meter)
  • ECM
 Comes on DTC stored
P0112  Intake Air Temperature Circuit Low Input
  • Short in Intake Air Temperature (IAT) sensor circuit
  • IAT sensor (built into Mass Air Flow [MAF] meter)
  • ECM
 Comes on DTC stored
P0113  Intake Air Temperature Circuit High Input
  • Open in Intake Air Temperature (IAT) sensor circuit
  • IAT sensor (built into Mass Air Flow [MAF] meter)
  • ECM
 Comes on DTC stored
P0115  Engine Coolant Temperature Circuit Malfunction
  • Open or short in Engine Coolant Temperature (ECT) sensor circuit
  • ECT sensor
  • ECM
 Comes on DTC stored
P0116  Engine Coolant Temperature Circuit Range / Performance Problem
  • ECT sensor
  • Thermostat
 Comes on DTC stored
P0117  Engine Coolant Temperature Circuit Low Input
  • Short in ECT sensor circuit
  • ECT sensor
  • ECM
 Comes on DTC stored
P0118  Engine Coolant Temperature Circuit High Input
  • Open in ECT sensor circuit
  • ECT sensor
  • ECM
 Comes on DTC stored
P0120  Throttle / Pedal Position Sensor / Switch "A" Circuit
  • Throttle Position (TP) sensor
  • ECM
 Comes on DTC stored
P0121  Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem
  • TP sensor
 Comes on DTC stored
P0122  Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input
  • TP sensor
  • Short in VTA circuit
  • Open in VC circuit
  • ECM
 Comes on DTC stored
P0123  Throttle / Pedal Position Sensor / Switch "A" Circuit High Input
  • TP sensor
  • Open in VTA circuit
  • Open in E2 circuit
  • Short between VC and VTA circuit
  • ECM
 Comes on DTC stored
P0125  Insufficient Coolant Temperature for Closed Loop Fuel Control
  • Cooling system
  • ECT sensor
  • Thermostat
 Comes on DTC stored
P0128  Thermostat Malfunction
  • Thermostat
  • Cooling system
  • ECT sensor
  • ECM
 Comes on DTC stored
P0130  Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 1)
  • Open or short in Heated Oxygen (HO2) sensor (bank 1 sensor 1) circuit
  • HO2 sensor (bank 1 sensor 1)
  • HO2 sensor heater (bank 1 sensor 1)
  • EFI relay
  • Air induction system
  • Fuel pressure
  • Injector
  • ECM
 Comes on DTC stored
P0133  Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 1)
  • Open or short in Heated Oxygen (HO2) sensor (bank 1 sensor 1) circuit
  • HO2 sensor (bank 1 sensor 1)
  • HO2 sensor heater (bank 1 sensor 1)
  • EFI relay
  • Air induction system
  • Fuel pressure
  • Injector
  • ECM
 Comes on DTC stored
P0134  Oxygen Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
  • HO2S (bank 1 sensor 1)
  • Fuel pressure
  • Air induction system
  • Ventilation hose
  • Ventilation valve
  • Injector
  • Exhaust gas leakage
 Comes on DTC stored
P0136  Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
  • Open or short in Heated Oxygen (HO2) sensor (bank 1 sensor 2) circuit
  • HO2 sensor (bank 1 sensor 2)
  • HO2 sensor heater (bank 1 sensor 2)
  • EFI relay
 Comes on DTC stored
P0138  Heated Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2)
  • HO2 sensor (bank 1 sensor 2)
  • Short in HO2 sensor (bank 1 sensor 2) circuit
 Comes on DTC stored
P0139  Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 2)
  • HO2 sensor (bank 1 sensor 2)
  • Short in HO2 sensor (bank 1 sensor 2) circuit
 Comes on DTC stored
P0171  System Too Lean (Bank 1)
  • Air induction system
  • Injector blockage
  • Mass Air Flow (MAF) meter
  • Engine Coolant Temperature (ECT) sensor
  • Fuel pressure
  • Gas leakage from exhaust system
  • Open or short in HO2 sensor (bank 1 sensor 1) circuit
  • HO2 sensor (bank 1 sensor 1)
  • HO2 sensor heater (bank 1 sensor 1)
  • EFI relay
  • Ventilation valve and hose
  • Ventilation hose connections
  • ECM
 Comes on DTC stored
P0172  System Too Rich (Bank 1)
  • Injector leak, blockage
  • MAF meter
  • ECT sensor
  • Ignition system
  • Fuel pressure
  • Gas leakage from exhaust system
  • Open or short in Heated Oxygen (HO2) sensor (bank 1 sensor 1) circuit
  • HO2 sensor (bank 1 sensor 1)
  • HO2 sensor heater (bank 1 sensor 1)
  • EFI relay
  • ECM
 Comes on DTC stored
P0300  Random / Multiple Cylinder Misfire Detected
  • Open or short in engine wire harness
  • Connector connections
  • Vacuum hose connections
  • Ignition system
  • Injector
  • Fuel pressure
  • MAF meter
  • ECT sensor
  • Compression pressure
  • Valve clearance
  • Valve timing
  • Ventilation hose connections
  • Ventilation valve and hose
  • ECM
 Blinks DTC stored
P0301  Cylinder 1 Misfire Detected
  • Same as P0300
 Blinks DTC stored
P0302  Cylinder 2 Misfire Detected
  • Same as P0300
 Blinks DTC stored
P0303  Cylinder 3 Misfire Detected
  • Same as P0300
 Blinks DTC stored
P0304  Cylinder 4 Misfire Detected
  • Same as P0300
 Blinks DTC stored
P0327  Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor)
  • Short in knock sensor 1 circuit
  • Knock sensor 1
  • ECM
 Comes on DTC stored
P0328  Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)
  • Open in knock sensor 1 circuit
  • Knock sensor 1
  • ECM
 Comes on DTC stored
P0335  Crankshaft Position Sensor "A" Circuit
  • Open or short in Crankshaft Position (CKP) sensor circuit
  • CKP sensor
  • Crankshaft (sensor plate)
  • ECM
 Comes on DTC stored
P0339  Crankshaft Position Sensor "A" Circuit Intermittent
  • Same as P0335
 - DTC stored
P0340  Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor)
  • Open or short in Camshaft Position (CMP) sensor circuit
  • CMP sensor
  • Camshaft
  • Timing chain has jumped tooth
  • ECM
 Comes on DTC stored
P0351  Ignition Coil "A" Primary / Secondary Circuit
  • Ignition system
  • Open or short in IGF or IGT circuit (1 to 4) between ignition coil with igniter and ECM
  • Ignition coils with igniters
  • ECM
 Comes on DTC stored
P0352  Ignition Coil "B" Primary / Secondary Circuit
  • Same as P0351
 Comes on DTC stored
P0353  Ignition Coil "C" Primary / Secondary Circuit
  • Same as P0351
 Comes on DTC stored
P0354  Ignition Coil "D" Primary / Secondary Circuit
  • Same as P0351
 Comes on DTC stored
P0420  Catalyst System Efficiency Below Threshold (Bank 1)
  • Gas leakage from exhaust system
  • Heated Oxygen (HO2) sensor (bank 1 sensor 1, 2)
  • Three-way Catalytic Converter (TWC)
 Comes on DTC stored
P043E  Evaporative Emission System Leak Detection Reference Orifice Low Flow
  • Canister pump module
  • Connector/Wire harness (Canister pump module - ECM)
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
  • Leakage from EVAP system
 Comes on DTC stored
P043F  Evaporative Emission System Reference Orifice High Flow
  • Canister pump module
  • Connector/Wire harness (Canister pump module - ECM)
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
  • Leakage from EVAP system
 Comes on DTC stored
P0441  Evaporative Emission Control System Incorrect Purge Flow
  • Purge VSV
  • Connector/Wire harness (Purge VSV - ECM)
  • ECM
  • Canister pump module
  • Leakage from EVAP line (Purge VSV - intake manifold)
  • Leakage from EVAP system
 Comes on DTC stored
P0450  Evaporative Emission Control System Pressure Sensor Malfunction
  • Canister pump module
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored
P0451  Evaporative Emission Control System Pressure Sensor Range / Performance
  • Canister pump module
  • Connector/Wire harness (Canister pump module - ECM)
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored
P0452  Evaporative Emission Control System Pressure Sensor / Switch Low Input
  • Canister pump module
  • Connector/Wire harness (Canister pump module - ECM)
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored
P0453  Evaporative Emission Control System Pressure Sensor / Switch High Input
  • Canister pump module
  • Connector/Wire harness (Canister pump module - ECM)
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored
P0455  Evaporative Emission Control System Leak Detected (Gross Leak)
  • Fuel cap (loose)
  • Leakage from EVAP line (Canister - Fuel tank)
  • Leakage from EVAP line (Purge VSV - canister)
  • Canister pump module
  • Leakage from fuel tank
  • Leakage from canister
 Comes on DTC stored
P0456  Evaporative Emission Control System Leak Detected (Very Small Leak)
  • Same as P0445
 Comes on DTC stored
P0500  Vehicle Speed Sensor "A"
  • Open or short in speed sensor circuit
  • Vehicle speed sensor
  • Combination meter
  • ECM
  • Skid control ECU
 Comes on DTC stored
P0505  Idle Control System Malfunction
  • Open or short in Idle Air Control (IAC) valve circuit
  • IAC valve stuck or closed
  • A/C switch circuit
  • Air induction system
  • Ventilation valve and hose
  • ECM
 Comes on DTC stored
P0511  Idle Air Control Circuit
  • Open or short in Idle Air Control (IAC) valve circuit
  • IAC valve stuck or closed
  • ECM
 Comes on DTC stored
P0550  Power Steering Pressure Sensor Circuit Malfunction
  • Open or short in power steering pressure sensor circuit
  • Power steering pressure sensor
  • ECM
 Comes on DTC stored
P0552  Power Steering Pressure Sensor Circuit Low Input
  • Open or short in power steering pressure sensor circuit
  • Power steering pressure sensor
  • ECM
 Comes on DTC stored
P0553  Power Steering Pressure Sensor Circuit High Input
  • Open or short in power steering pressure sensor circuit
  • Power steering pressure sensor
  • ECM
 Comes on DTC stored
P0560  System Voltage - Open in back-up power source circuit
  • EFI fuse
  • ECM
 Comes on DTC stored
P0606  ECM / PCM Processor
  • ECM
 - -
P0617  Starter Relay Circuit High
  • Short in Park/Neutral Position (PNP) switch circuit
  • PNP switch
  • Clutch start switch
  • ECM
 Comes on DTC stored
P0630  VIN not Programmed or Mismatch - ECM / PCM
  • ECM
 Comes on DTC stored
P2195  Oxygen Sensor Signal Stuck Lean (Bank 1 Sensor 1)
  • Open or short in Heated Oxygen (HO2) sensor (bank 1 sensor 1) circuit
  • HO2 sensor (bank 1 sensor 1)
  • HO2 sensor heater (bank 1 sensor 1)
  • EFI relay
  • Air induction system
  • Fuel pressure
  • Injector
  • ECM
 Comes on DTC stored
P2196  Oxygen Sensor Signal Stuck Rich (Bank 1 Sensor 1)
  • Same as P2195
 Comes on DTC stored
P2401  Evaporative Emission Leak Detection Pump Stuck OFF
  • Canister pump module
  • Connector/Wire harness (Canister pump module - ECM)
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored
P2402  Evaporative Emission Leak Detection Pump Stuck ON
  • Canister pump module
  • Connector/Wire harness (Canister pump module - ECM)
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored
P2419  Evaporative Emission Pressure Switching Valve Stuck ON
  • Canister pump module
  • Connector/Wire harness (Canister pump module - ECM)
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • ECM
 Comes on DTC stored
P2420  Evaporative Emission Pressure Switching Valve Stuck OFF
  • Canister pump module
  • Connector/Wire harness (Canister pump module - ECM)
  • ECM
 Comes on DTC stored
P2610  ECM / PCM Internal Engine Off Timer Performance
  • ECM
 Comes on DTC stored
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