Tech Tips
Parameters listed in the chart may not be exactly the same as your readings due to the type of instrument or other factors. If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.
*: The MIL flashes when a catalyst damaging misfire is detected
| DTC Code | Detection Item | Trouble Area | MIL | Memory | See page |
|---|---|---|---|---|---|
| P0010 | Camshaft Position "A" Actuator Circuit (Bank 1) | - Open or short in camshaft timing oil control valve assembly circuit - Camshaft timing oil control valve assembly - ECM |
Comes on | DTC stored | |
| P0011 | Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1) | - Valve timing - Camshaft timing oil control valve assembly - Oil control valve filter - Camshaft timing gear assembly - ECM |
Comes on | DTC stored | |
| P0012 | Camshaft Position "A" - Timing Over-Retarded (Bank 1) | - Valve timing - Camshaft timing oil control valve assembly - Oil control valve filter - Camshaft timing gear assembly - ECM |
Comes on | DTC stored | |
| P0016 | Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A) | - Valve timing - Camshaft timing oil control valve assembly - Oil control valve filter - Camshaft timing gear assembly (for intake camshaft) - ECM |
Comes on | DTC stored | |
| P0031 | Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1) | - Open in air fuel ratio sensor (sensor 1) heater circuit - Air fuel ratio sensor heater (sensor 1) - ECM |
Comes on | DTC stored | |
| P0032 | Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1) | - Short in air fuel ratio sensor (sensor 1) heater circuit - Air fuel ratio sensor heater (sensor 1) - ECM |
Comes on | DTC stored | |
| P0037 | Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2) | - Open in heated oxygen sensor (sensor 2) heater circuit - Heated oxygen sensor (sensor 2) heater - ECM |
Comes on | DTC stored | |
| P0038 | Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2) | - Short in heated oxygen sensor (sensor 2) heater circuit - Heated oxygen sensor (sensor 2) heater - ECM |
Comes on | DTC stored | |
| P0102 | Mass or Volume Air Flow Circuit Low Input | - Open or short in mass air flow meter sub-assembly circuit - Mass air flow meter sub-assembly - ECM |
Comes on | DTC stored | |
| P0103 | Mass or Volume Air Flow Circuit High Input | - Open or short in mass air flow meter sub-assembly circuit - Mass air flow meter sub-assembly - ECM |
Comes on | DTC stored | |
| P0107 | Manifold Absolute Pressure / Barometric Pressure Circuit Low Input | - Open or short in manifold absolute pressure sensor circuit - Manifold absolute pressure sensor - ECM |
Comes on | DTC stored | |
| P0108 | Manifold Absolute Pressure / Barometric Pressure Circuit High Input | - Open or short in manifold absolute pressure sensor circuit - Manifold absolute pressure sensor - ECM |
Comes on | DTC stored | |
| P0112 | Intake Air Temperature Circuit Low Input | - Short in intake air temperature sensor circuit - Intake air temperature sensor (built into mass air flow meter sub-assembly) - ECM |
Comes on | DTC stored | |
| P0113 | Intake Air Temperature Circuit High Input | - Open in intake air temperature sensor circuit - Intake air temperature sensor (built into mass air flow meter sub-assembly) - ECM |
Comes on | DTC stored | |
| P0115 | Engine Coolant Temperature Circuit Malfunction | - Open or short in engine coolant temperature sensor circuit - Engine coolant temperature sensor - ECM |
Comes on | DTC stored | |
| P0116 | Engine Coolant Temperature Circuit Range / Performance Problem | - Water inlet with thermostat sub-assembly - Engine coolant temperature sensor |
Comes on | DTC stored | |
| P0117 | Engine Coolant Temperature Circuit Low Input | - Short in engine coolant temperature sensor circuit - Engine coolant temperature sensor - ECM |
Comes on | DTC stored | |
| P0118 | Engine Coolant Temperature Circuit High Input | - Open in engine coolant temperature sensor circuit - Engine coolant temperature sensor - ECM |
Comes on | DTC stored | |
| P0120 | Throttle / Pedal Position Sensor / Switch "A" Circuit Malfunction | - Throttle position sensor (built into throttle body assembly) - ECM |
Comes on | DTC stored | |
| P0121 | Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem | - Throttle position sensor (built into throttle body assembly) - Throttle position sensor circuit - ECM |
Comes on | DTC stored | |
| P0122 | Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input | - Throttle position sensor (built into throttle body assembly) - Short in VTA1 circuit - Open in VC circuit - ECM |
Comes on | DTC stored | |
| P0123 | Throttle / Pedal Position Sensor / Switch "A" Circuit High Input | - Throttle position sensor (built into throttle body assembly) - Open in VTA1 circuit - Open in E2 circuit - Short between VC and VTA1 circuits - ECM |
Comes on | DTC stored | |
| P0125 | Insufficient Coolant Temperature for Closed Loop Fuel Control | - Cooling system - Engine coolant temperature sensor - Water inlet with thermostat sub-assembly |
Comes on | DTC stored | |
| P0136 | Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2) | - Open or short in heated oxygen sensor (sensor 2) circuit - Heated oxygen sensor (sensor 2) - Heated oxygen sensor heater (sensor 2) - Air fuel ratio sensor (sensor 1) - Gas leaks from exhaust system - EGR valve assembly |
Comes on | DTC stored | |
| P0137 | Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2) | - Open or short in heated oxygen sensor (sensor 2) - Heated oxygen sensor (sensor 2) - Heated oxygen sensor heater (sensor 2) - Gas leak from exhaust system - EGR valve assembly |
Comes on | DTC stored | |
| P0138 | Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2) | - Short in heated oxygen sensor (sensor 2) circuit - Heated oxygen sensor (sensor 2) - EGR valve assembly - ECM - Air fuel ratio sensor (sensor 1) |
Comes on | DTC stored | |
| P0171 | System Too Lean (Bank 1) | - Intake system - Fuel injector assembly - Mass air flow meter sub-assembly - Engine coolant temperature sensor - Fuel pressure - Gas leaks from exhaust system - Open or short in air fuel ratio sensor (sensor 1) circuit - Air fuel ratio sensor (sensor 1) - PCV valve and hose - PCV hose connections - EGR valve assembly - ECM |
Comes on | DTC stored | |
| P0172 | System Too Rich (Bank 1) | - Fuel injector assembly - Mass air flow meter sub-assembly - Engine coolant temperature sensor - Ignition system - Fuel pressure - Gas leaks from exhaust system - Open or short in air fuel ratio sensor (sensor 1) circuit - Air fuel ratio sensor (sensor 1) - EGR valve assembly - ECM |
Comes on | DTC stored | |
| P0220 | Throttle / Pedal Position Sensor / Switch "B" Circuit | - Throttle position sensor (built into throttle body assembly) - ECM |
Comes on | DTC stored | |
| P0222 | Throttle / Pedal Position Sensor / Switch "B" Circuit Low Input | - Throttle position sensor (built into throttle body assembly) - Short in VTA2 circuit - Open in VC circuit - ECM |
Comes on | DTC stored | |
| P0223 | Throttle / Pedal Position Sensor / Switch "B" Circuit High Input | - Throttle position sensor (built into throttle body assembly) - Open in VTA2 circuit - Open in E2 circuit - Short between VC and VTA2 circuits - ECM |
Comes on | DTC stored | |
| P0300 | Random / Multiple Cylinder Misfire Detected | - Open or short in engine wire harness - Connector connection - Vacuum hose connections - Ignition system - Fuel injector assembly - Fuel pressure - Mass air flow meter sub-assembly - Engine coolant temperature sensor - Compression pressure - Valve timing - PCV valve and hose - PCV hose connections - Intake system - EGR valve assembly - ECM |
Comes on / Blinks* | DTC stored | |
| P0301 | Cylinder 1 Misfire Detected | - Open or short in engine wire harness - Connector connection - Vacuum hose connections - Ignition system - Fuel injector assembly - Fuel pressure - Mass air flow meter sub-assembly - Engine coolant temperature sensor - Compression pressure - Valve timing - PCV valve and hose - PCV hose connections - Intake system - EGR valve assembly - ECM |
Comes on / Blinks* | DTC stored | |
| P0302 | Cylinder 2 Misfire Detected | - Open or short in engine wire harness - Connector connection - Vacuum hose connections - Ignition system - Fuel injector assembly - Fuel pressure - Mass air flow meter sub-assembly - Engine coolant temperature sensor - Compression pressure - Valve timing - PCV valve and hose - PCV hose connections - Intake system - EGR valve assembly - ECM |
Comes on / Blinks* | DTC stored | |
| P0303 | Cylinder 3 Misfire Detected | - Open or short in engine wire harness - Connector connection - Vacuum hose connections - Ignition system - Fuel injector assembly - Fuel pressure - Mass air flow meter sub-assembly - Engine coolant temperature sensor - Compression pressure - Valve timing - PCV valve and hose - PCV hose connections - Intake system - EGR valve assembly - ECM |
Comes on / Blinks* | DTC stored | |
| P0304 | Cylinder 4 Misfire Detected | - Open or short in engine wire harness - Connector connection - Vacuum hose connections - Ignition system - Fuel injector assembly - Fuel pressure - Mass air flow meter sub-assembly - Engine coolant temperature sensor - Compression pressure - Valve timing - PCV valve and hose - PCV hose connections - Intake system - EGR valve assembly - ECM |
Comes on / Blinks* | DTC stored | |
| P0327 | Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor) | - Short in knock control sensor circuit - Knock control sensor - ECM |
Comes on | DTC stored | |
| P0328 | Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor) | - Open in knock control sensor circuit - Knock control sensor - ECM |
Comes on | DTC stored | |
| P0335 | Crankshaft Position Sensor "A" Circuit | - Open or short in crankshaft position sensor circuit - Crankshaft position sensor - No. 1 crankshaft position sensor plate - ECM |
Comes on | DTC stored | |
| P0340 | Camshaft Position Sensor Circuit Malfunction | - Open or short in camshaft position sensor circuit - Camshaft position sensor - Intake camshaft - Jumped tooth of timing chain for intake camshaft - ECM |
Comes on | DTC stored | |
| P0342 | Camshaft Position Sensor "A" Circuit Low Input (Bank 1 or Single Sensor) | - Open or short in camshaft position sensor circuit - Camshaft position sensor - Intake camshaft - Jumped tooth of timing chain for intake camshaft - ECM |
Comes on | DTC stored | |
| P0343 | Camshaft Position Sensor "A" Circuit High Input (Bank 1 or Single Sensor) | - Open or short in camshaft position sensor circuit - Camshaft position sensor - Intake camshaft - Jumped tooth of timing chain for intake camshaft - ECM |
Comes on | DTC stored | |
| P0351 | Ignition Coil "A" Primary / Secondary Circuit | - Ignition system - Open or short in IGF1 or IGT1 circuit between ignition coil assembly and ECM - No. 1 ignition coil assembly - ECM |
Comes on | DTC stored | |
| P0352 | Ignition Coil "B" Primary / Secondary Circuit | - Ignition system - Open or short in IGF1 or IGT2 circuit between ignition coil assembly and ECM - No. 2 ignition coil assembly - ECM |
Comes on | DTC stored | |
| P0353 | Ignition Coil "C" Primary / Secondary Circuit | - Ignition system - Open or short in IGF1 or IGT3 circuit between ignition coil assembly and ECM - No. 3 ignition coil assembly - ECM |
Comes on | DTC stored | |
| P0354 | Ignition Coil "D" Primary / Secondary Circuit | - Ignition system - Open or short in IGF1 or IGT4 circuit between ignition coil assembly and ECM - No. 4 ignition coil assembly - ECM |
Comes on | DTC stored | |
| P0401 | Exhaust Gas Recirculation Flow Insufficient Detected | - EGR valve assembly - EGR passage - EGR with cooler pipe sub-assembly - Manifold absolute pressure sensor - ECM |
Comes on | DTC stored | |
| P0403 | Exhaust Gas Recirculation Control Circuit | - Open or short in EGR circuit - EGR valve assembly - ECM |
Comes on | DTC stored | |
| P0420 | Catalyst System Efficiency Below Threshold (Bank 1) | - Gas leaks from exhaust system - Air fuel ratio sensor (sensor 1) - Heated oxygen sensor (sensor 2) - Front exhaust pipe assembly (TWC: Front and rear catalyst) - EGR valve assembly |
Comes on | DTC stored | |
| P0443 | Evaporative Emission Control System Purge Control Valve Circuit | - Open or short in purge VSV circuit - Purge VSV - ECM |
Comes on | DTC stored | |
| P0505 | Idle Control System Malfunction | - Electronic throttle control system - Intake system - PCV hose connections - EGR valve assembly - ECM |
Comes on | DTC stored | |
| P0560 | System Voltage | - Open in back up power source circuit - Battery - Battery terminals - EFI MAIN fuse - ECM |
Comes on | DTC stored | |
| P0604 | Random Access Memory (RAM) | ECM | Comes on | DTC stored | |
| P0606 | ECM / PCM Processor | ECM | Comes on | DTC stored | |
| P060A | Internal Control Module Monitoring Processor Performance | ECM | Comes on | DTC stored | |
| P060B | Internal Control Module A/D Processing Performance | ECM | Comes on | DTC stored | |
| P060E | Internal Control Module Throttle Position Performance | ECM | Comes on | DTC stored | |
| P0657 | Actuator Supply Voltage Circuit / Open | ECM | Comes on | DTC stored | |
| P101D | A/F Sensor Heater Circuit Performance Bank 1 Sensor 1 Stuck ON | ECM | Comes on | DTC stored | |
| P102D | O2 Sensor Heater Circuit Performance Bank 1 Sensor 2 Stuck ON | ECM | Comes on | DTC stored | |
| P2102 | Throttle Actuator Control Motor Circuit Low | - Open in throttle actuator circuit - Throttle actuator - ECM |
Comes on | DTC stored | |
| P2103 | Throttle Actuator Control Motor Circuit High | - Short in throttle actuator circuit - Throttle actuator - Throttle valve - Throttle body assembly - ECM |
Comes on | DTC stored | |
| P2111 | Throttle Actuator Control System - Stuck Open | - Throttle actuator - Throttle body assembly - Throttle valve - ECM |
Comes on | DTC stored | |
| P2112 | Throttle Actuator Control System - Stuck Closed | - Throttle actuator - Throttle body assembly - Throttle valve - ECM |
Comes on | DTC stored | |
| P2118 | Throttle Actuator Control Motor Current Range / Performance | - Open in electronic throttle control system power source circuit - Battery - Battery terminals - ETCS fuse - ECM |
Comes on | DTC stored | |
| P2119 | Throttle Actuator Control Throttle Body Range / Performance | - Electronic throttle control system - ECM |
Comes on | DTC stored | |
| P2135 | Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation | - Short between VTA1 and VTA2 circuits - Throttle position sensor (built into throttle body assembly) - ECM |
Comes on | DTC stored | |
| P2195 | Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1) | - Open or short in air fuel ratio sensor (sensor 1) circuit - Air fuel ratio sensor (sensor 1) - Air fuel ratio sensor (sensor 1) heater - Air fuel ratio sensor heater circuit - Intake system - Fuel pressure - Fuel injector assembly - EGR valve assembly - ECM |
Comes on | DTC stored | |
| P2196 | Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1) | - Open or short in air fuel ratio sensor (sensor 1) circuit - Air fuel ratio sensor (sensor 1) - Air fuel ratio sensor (sensor 1) heater - Air fuel ratio sensor heater circuit - Intake system - Fuel pressure - Fuel injector assembly - EGR valve assembly - ECM |
Comes on | DTC stored | |
| P2237 | Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1) | - Open in air fuel ratio sensor (sensor 1) circuit - Air fuel ratio sensor (sensor 1) - ECM |
Comes on | DTC stored | |
| P2238 | Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1) | - Open or short in air fuel ratio sensor (sensor 1) circuit - Air fuel ratio sensor (sensor 1) - ECM |
Comes on | DTC stored | |
| P2239 | Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1) | - Open or short in air fuel ratio sensor (sensor 1) circuit - Air fuel ratio sensor (sensor 1) - ECM |
Comes on | DTC stored | |
| P2252 | Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1) | - Open or short in air fuel ratio sensor (sensor 1) circuit - Air fuel ratio sensor (sensor 1) - ECM |
Comes on | DTC stored | |
| P2253 | Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1) | - Open or short in air fuel ratio sensor (sensor 1) circuit - Air fuel ratio sensor (sensor 1) - ECM |
Comes on | DTC stored | |
| P2610 | ECM / PCM Internal Engine Off Timer Performance | ECM | Comes on | DTC stored | |
| P261B | Engine Coolant Pump "B" Control Malfunction | - Open or short in engine water pump assembly circuit - Engine water pump assembly - ECM |
Comes on | DTC stored | |
| P261C | Engine Coolant Pump "B" Control Circuit Low | - Short in engine water pump assembly circuit - Engine water pump assembly - ECM |
Comes on | DTC stored | |
| P261D | Engine Coolant Pump "B" Control Circuit High | - Open in engine water pump assembly circuit - Engine water pump assembly - ECM |
Comes on | DTC stored | |
| P2A00 | A/F Sensor Circuit Slow Response (Bank 1 Sensor 1) | - Air fuel ratio sensor - Air fuel ratio sensor heater - EGR valve assembly - ECM |
Comes on | DTC stored | |
| P3190 | Poor Engine Power | - Intake system - Throttle body assembly - Fuel pressure - Engine - Mass air flow meter sub-assembly - Out of fuel - Engine coolant temperature sensor - Crankshaft position sensor - Camshaft position sensor - EGR valve assembly - ECM |
Comes on | DTC stored | |
| P3191 | Engine does not Start | - Intake system - Throttle body assembly - Fuel pressure - Engine - Mass air flow meter sub-assembly - Out of fuel - Engine coolant temperature sensor - Crankshaft position sensor - Camshaft position sensor - EGR valve assembly - ECM |
Comes on | DTC stored | |
| P3193 | Fuel Run Out | - Out of fuel - ECM |
Does not come on | DTC stored | |
| U0293 | Lost Communication with HV ECU | - Wire harness - Power management control ECU |
Comes on | DTC stored |