SFI SYSTEM (w/ EGR System) DIAGNOSTIC TROUBLE CODE CHART

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

SFI System
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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

P0115 Engine Coolant Temperature Circuit Malfunction

- Open or short in engine coolant temperature sensor circuit

- Engine coolant temperature sensor

- ECM

Comes on DTC stored

Click here

P0116 Engine Coolant Temperature Circuit Range / Performance Problem

- Water inlet with thermostat sub-assembly

- Engine coolant temperature sensor

Comes on DTC stored

Click here

P0117 Engine Coolant Temperature Circuit Low Input

- Short in engine coolant temperature sensor circuit

- Engine coolant temperature sensor

- ECM

Comes on DTC stored

Click here

P0118 Engine Coolant Temperature Circuit High Input

- Open in engine coolant temperature sensor circuit

- Engine coolant temperature sensor

- ECM

Comes on DTC stored

Click here

P0120 Throttle / Pedal Position Sensor / Switch "A" Circuit Malfunction

- Throttle position sensor (built into throttle body assembly)

- ECM

Comes on DTC stored

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

P0220 Throttle / Pedal Position Sensor / Switch "B" Circuit

- Throttle position sensor (built into throttle body assembly)

- ECM

Comes on DTC stored

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

P0403 Exhaust Gas Recirculation Control Circuit

- Open or short in EGR circuit

- EGR valve assembly

- ECM

Comes on DTC stored

Click here

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

Click here

P0443 Evaporative Emission Control System Purge Control Valve Circuit

- Open or short in purge VSV circuit

- Purge VSV

- ECM

Comes on DTC stored

Click here

P0505 Idle Control System Malfunction

- Electronic throttle control system

- Intake system

- PCV hose connections

- EGR valve assembly

- ECM

Comes on DTC stored

Click here

P0560 System Voltage

- Open in back up power source circuit

- Battery

- Battery terminals

- EFI MAIN fuse

- ECM

Comes on DTC stored

Click here

P0604 Random Access Memory (RAM) ECM Comes on DTC stored

Click here

P0606 ECM / PCM Processor ECM Comes on DTC stored

Click here

P060A Internal Control Module Monitoring Processor Performance ECM Comes on DTC stored

Click here

P060B Internal Control Module A/D Processing Performance ECM Comes on DTC stored

Click here

P060E Internal Control Module Throttle Position Performance ECM Comes on DTC stored

Click here

P0657 Actuator Supply Voltage Circuit / Open ECM Comes on DTC stored

Click here

P101D A/F Sensor Heater Circuit Performance Bank 1 Sensor 1 Stuck ON ECM Comes on DTC stored

Click here

P102D O2 Sensor Heater Circuit Performance Bank 1 Sensor 2 Stuck ON ECM Comes on DTC stored

Click here

P2102 Throttle Actuator Control Motor Circuit Low

- Open in throttle actuator circuit

- Throttle actuator

- ECM

Comes on DTC stored

Click here

P2103 Throttle Actuator Control Motor Circuit High

- Short in throttle actuator circuit

- Throttle actuator

- Throttle valve

- Throttle body assembly

- ECM

Comes on DTC stored

Click here

P2111 Throttle Actuator Control System - Stuck Open

- Throttle actuator

- Throttle body assembly

- Throttle valve

- ECM

Comes on DTC stored

Click here

P2112 Throttle Actuator Control System - Stuck Closed

- Throttle actuator

- Throttle body assembly

- Throttle valve

- ECM

Comes on DTC stored

Click here

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

Click here

P2119 Throttle Actuator Control Throttle Body Range / Performance

- Electronic throttle control system

- ECM

Comes on DTC stored

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

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

Click here

P2610 ECM / PCM Internal Engine Off Timer Performance ECM Comes on DTC stored

Click here

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

Click here

P261C Engine Coolant Pump "B" Control Circuit Low

- Short in engine water pump assembly circuit

- Engine water pump assembly

- ECM

Comes on DTC stored

Click here

P261D Engine Coolant Pump "B" Control Circuit High

- Open in engine water pump assembly circuit

- Engine water pump assembly

- ECM

Comes on DTC stored

Click here

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

Click here

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

Click here

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

Click here

P3193 Fuel Run Out

- Out of fuel

- ECM

Does not come on DTC stored

Click here

U0293 Lost Communication with HV ECU

- Wire harness

- Power management control ECU

Comes on DTC stored

Click here