SFI SYSTEM DIAGNOSTIC TROUBLE CODE CHART

Tech Tips

Parameters listed in the chart may not be exactly the same as yours depending on the type of instrument and other factors.

If any DTCs are output during a check mode DTC check, check the trouble area for the DTCs listed in the table below. For details of each DTC, refer to the "See page" indicated.

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 circuit for intake side

- Camshaft timing oil control valve for intake side

- 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 for intake side

- Oil control valve filter

- Camshaft timing gear assembly for intake side

- ECM

Comes on DTC stored

Click here

P0012 Camshaft Position "A" - Timing Over-Retarded (Bank 1)

- Valve timing

- Camshaft timing oil control valve for intake side

- Oil control valve filter

- Camshaft timing gear assembly for intake side

- ECM

Comes on DTC stored

Click here

P0013 Camshaft Position "B" Actuator Circuit / Open (Bank 1)

- Open or short in camshaft timing oil control valve circuit for exhaust side

- Camshaft timing oil control valve for exhaust side

- ECM

Comes on DTC stored

Click here

P0014 Camshaft Position "B" - Timing Over-Advanced or System Performance (Bank 1)

- Valve timing

- Camshaft timing oil control valve for exhaust side

- Oil control valve filter

- Camshaft timing gear assembly for exhaust side

- ECM

Comes on DTC stored

Click here

P0015 Camshaft Position "B" - Timing Over-Retarded (Bank 1)

- Valve timing

- Camshaft timing oil control valve for exhaust side

- Oil control valve filter

- Camshaft timing gear assembly for exhaust side

- ECM

Comes on DTC stored

Click here

P0016 Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)

- Valve timing

- Camshaft timing oil control valve for intake side

- Oil control valve filter

- Camshaft timing gear assembly for intake side

- ECM

Comes on DTC stored

Click here

P0017 Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor B)

- Valve timing

- Camshaft timing oil control valve for exhaust side

- Oil control valve filter

- Camshaft timing gear assembly for exhaust side

- 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 heater (sensor 1) circuit

- Air fuel ratio sensor (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 heater (sensor 1) circuit

- Air fuel ratio sensor (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 heater (sensor 2) circuit

- Heated oxygen sensor (sensor 2)

- ECM

Comes on DTC stored

Click here

P0038 Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2)

- Short in heated oxygen sensor heater (sensor 2) circuit

- Heated oxygen sensor (sensor 2)

- ECM

Comes on DTC stored

Click here

P0102 Mass or Volume Air Flow Circuit Low Input

- Open or short in mass air flow meter circuit

- Mass air flow meter

- ECM

Comes on DTC stored

Click here

P0103 Mass or Volume Air Flow Circuit High Input

- Open or short in mass air flow meter circuit

- Mass air flow meter

- 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)

- 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)

- 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

- Thermostat

- 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 circuit

- ECM

Comes on DTC stored

Click here

P0136 Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)

- Open or short in heated oxygen sensor (sensor 2)

- Heated oxygen sensor (sensor 2)

- Air fuel ratio sensor (sensor 1)

- Gas leak from exhaust system

Comes on DTC stored

Click here

P0137 Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2)

- Open in heated oxygen sensor (sensor 2) circuit

- Heated oxygen sensor (sensor 2)

- Gas leak from exhaust system

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)

- Air fuel ratio sensor (sensor 1)

- ECM

Comes on DTC stored

Click here

P0171 System Too Lean (Bank 1)

- Intake system

- Fuel pressure

- Injector blockage

- Mass air flow meter

- Engine coolant temperature sensor

- Gas leakage from exhaust system

- Open or short in heated oxygen sensor (sensor 1) circuit

- Air fuel ratio sensor (sensor 1)

- Air fuel ratio sensor heater (sensor 1)

- Air fuel ratio sensor heater circuits

- PCV hose connections

- PCV valve and hose

- ECM

Comes on DTC stored

Click here

P0172 System Too Rich (Bank 1)

- Injector leakage or blockage

- Fuel pressure

- Mass air flow meter

- Engine coolant temperature sensor

- Ignition system

- Gas leakage from exhaust system

- Open or short in heated oxygen sensor (sensor 1) circuit

- Air fuel ratio sensor (sensor 1)

- Air fuel ratio sensor heater (sensor 1)

- Air fuel ratio sensor heater circuits

- Ignition system

- 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 circuit

- ECM

Comes on 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

P0300 Random / Multiple Cylinder Misfire Detected

- Open or short in engine wire harness

- Connector connection

- Vacuum hose connections

- Ignition system

- Injector

- Fuel pressure

- Mass Air Flow (MAF) meter

- Engine Coolant Temperature (ECT) sensor

- Compression pressure

- Valve timing

- PCV valve and hose

- PCV hose connections

- Intake system

- ECM

Comes on/

Blinks*7

DTC stored

Click here

P0301 Cylinder 1 Misfire Detected Same as DTC P0300

Comes on/

Blinks*7

DTC stored

Click here

P0302 Cylinder 2 Misfire Detected Same as DTC P0300

Comes on/

Blinks*7

DTC stored

Click here

P0303 Cylinder 3 Misfire Detected Same as DTC P0300

Comes on/

Blinks*7

DTC stored

Click here

P0304 Cylinder 4 Misfire Detected Same as DTC P0300

Comes on/

Blinks*7

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

- Crankshaft position sensor plate

- ECM

Comes on DTC stored

Click here

P0339 Crankshaft Position Sensor "A" Circuit Intermittent Same as DTC P0335 Does not come on DTC stored

Click here

P0340 Camshaft Position Sensor Circuit Malfunction

- Open or short in camshaft position sensor circuit for intake side

- Camshaft position sensor for intake side

- Intake camshaft

- Valve timing

- ECM

Comes on DTC stored

Click here

P0342 Camshaft Position Sensor "A" Circuit Low Input (Bank 1 or Single Sensor) Same as DTC P0340 Comes on DTC stored

Click here

P0343 Camshaft Position Sensor "A" Circuit High Input (Bank 1 or Single Sensor) Same as DTC P0340 Comes on DTC stored

Click here

P0351 Ignition Coil "A" Primary / Secondary Circuit

- Open or short in ignition coil assembly circuit

- Ignition coil assembly

- ECM

Comes on DTC stored

Click here

P0352 Ignition Coil "B" Primary / Secondary Circuit Same as DTC P0351 Comes on DTC stored

Click here

P0353 Ignition Coil "C" Primary / Secondary Circuit Same as DTC P0351 Comes on DTC stored

Click here

P0354 Ignition Coil "D" Primary / Secondary Circuit Same as DTC P0351 Comes on DTC stored

Click here

P0365 Camshaft Position Sensor "B" Circuit (Bank 1)

- Open or short in camshaft position sensor circuit for exhaust side

- Camshaft position sensor for exhaust side

- Exhaust camshaft

- Valve timing

- ECM

Comes on DTC stored

Click here

P0367 Camshaft Position Sensor "B" Circuit Low Input (Bank 1) Same as DTC P0365 Comes on DTC stored

Click here

P0368 Camshaft Position Sensor "B" Circuit High Input (Bank 1) Same as DTC P0365 Comes on DTC stored

Click here

P0420 Catalyst System Efficiency Below Threshold (Bank 1)

- Front exhaust pipe assembly (TWC: front catalyst and rear catalyst)

- Gas leak from exhaust system

- Air fuel ratio sensor (sensor 1)

- Heated oxygen sensor (sensor 2)

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

P0500 Vehicle Speed Sensor "A"

- Open or short in speed signal circuit

- Combination meter assembly

- Skid control ECU with actuator assembly

- Vehicle speed sensor

- Power management control ECU*1

- Radio receiver assembly*5

- Navigation receiver assembly*6

- ECM

Comes on DTC stored

Click here

P0504 Brake Switch "A" / "B" Correlation

- Open or short in stop light switch assembly signal circuit

- Stop light switch assembly

- ECM

Does not come on DTC stored

Click here

P0505 Idle Control System Malfunction

- Electronic throttle control system

- Intake system

- PCV hose connection

- ECM

Comes on DTC stored

Click here

P0560 System Voltage

- Open in back-up power source circuit

- Battery

- Battery terminals

- ECM

Comes on DTC stored

Click here

P0604 Internal Control Module Random Access Memory (RAM) Error 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

P060D Internal Control Module Accelerator Pedal Position Performance ECM Comes on DTC stored

Click here

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

Click here

P0617 Starter Relay Circuit High

- Short in cranking holding function circuit*1

- Short in starter signal circuit*2

- Clutch start switch assembly*3

- Park/neutral position switch assembly*4

- Power management ECU*1

- Ignition switch*2

- ECM

Comes on DTC stored

Click here

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

Click here

P0724 Brake Switch "B" Circuit High

- Stop light switch assembly signal circuit

- Stop light switch assembly

- 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

Comes on DTC stored

Click here

P2112 Throttle Actuator Control System - Stuck Closed Same as DTC P2111 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

- 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

P2120 Throttle / Pedal Position Sensor / Switch "D" Circuit

- Accelerator pedal assembly

- ECM

Comes on DTC stored

Click here

P2121 Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance

- Accelerator pedal assembly

- ECM

Comes on DTC stored

Click here

P2122 Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input

- Accelerator pedal assembly

- Open in VCPA circuit

- Open or ground short in VPA circuit

- ECM

Comes on DTC stored

Click here

P2123 Throttle / Pedal Position Sensor / Switch "D" Circuit High Input

- Accelerator pedal assembly

- Open in EPA circuit

- ECM

Comes on DTC stored

Click here

P2125 Throttle / Pedal Position Sensor / Switch "E" Circuit

- Accelerator pedal assembly

- ECM

Comes on DTC stored

Click here

P2127 Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input

- Accelerator pedal assembly

- Open in VCP2 circuit

- Open or ground short in VPA2 circuit

- ECM

Comes on DTC stored

Click here

P2128 Throttle / Pedal Position Sensor / Switch "E" Circuit High Input

- Accelerator pedal assembly

- Open in EPA2 circuit

- 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

P2138 Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation

- Short between VPA and VPA2 circuits

- Accelerator pedal 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 heater (sensor 1)

- Integration relay (EFI relay)

- Air fuel ratio sensor heater circuit

- 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 heater (sensor 1)

- Integration relay (EFI relay)

- Air fuel ratio sensor heater circuit

- ECM

Comes on DTC stored

Click here

P2237 Oxygen (A/F) Sensor Pumping Current Circuit / Open (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

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

P2A00 A/F Sensor Circuit Slow Response (Bank 1 Sensor 1)

- Open or short in air fuel ratio sensor circuit

- Air fuel ratio sensor (sensor 1)

- ECM

Comes on DTC stored

Click here