DIAGNOSTIC TROUBLE CODE CHART
HINT
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 malfunction code is displayed during the DTC check in the check mode, check the circuit listed in the table below. For details of each code, refer to the appropriate test in the DTC chart.
| DTC | Description |
|---|---|
| DTC P0031 | OXYGEN (A/F) SENSOR HEATER CONTROL CIRCUIT LOW (BANK 1 SENSOR 1) |
| DTC P0032 | OXYGEN (A/F) SENSOR HEATER CONTROL CIRCUIT HIGH (BANK 1 SENSOR 1) |
| DTC P0037 | OXYGEN SENSOR HEATER CONTROL CIRCUIT LOW (BANK 1 SENSOR 2) |
| DTC P0038 | OXYGEN SENSOR HEATER CONTROL CIRCUIT HIGH (BANK 1 SENSOR 2) |
| DTC P0100 | MASS OR VOLUME AIR FLOW CIRCUIT |
| DTC P0101 | MASS OR VOLUME AIR FLOW CIRCUIT RANGE/ PERFORMANCE PROBLEM |
| DTC P0102 | MASS OR VOLUME AIR FLOW CIRCUIT LOW INPUT |
| DTC P0103 | MASS OR VOLUME AIR FLOW CIRCUIT HIGH INPUT |
| DTC P0110 | INTAKE AIR TEMPERATURE CIRCUIT |
| DTC P0112 | INTAKE AIR TEMPERATURE CIRCUIT LOW INPUT |
| DTC P0113 | NTAKE AIR TEMPERATURE CIRCUIT HIGH INPUT |
| DTC P0115 | ENGINE COOLANT TEMPERATURE CIRCUIT |
| DTC P0116 | ENGINE COOLANT TEMPERATURE CIRCUIT RANGE/ PERFORMANCE PROBLEM |
| DTC P0117 | ENGINE COOLANT TEMPERATURE CIRCUIT LOW INPUT |
| DTC P0118 | ENGINE COOLANT TEMPERATURE CIRCUIT HIGH INPUT |
| DTC P0120 | THROTTLE PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT |
| DTC P0121 | THROTTLE PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT RANGE/PERFORMANCE PROBLEM |
| DTC P0122 | THROTTLE PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT LOW INPUT |
| DTC P0123 | THROTTLE PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT HIGH INPUT |
| DTC P0125 | INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL |
| DTC P0128 | COOLANT THERMOSTAT (COOLANT TEMPERATURE BELOW THERMOSTAT REGULATING TEMPERATURE) |
| DTC P0134 | OXYGEN (A/F) SENSOR CIRCUIT NO ACTIVITY DETECTED (BANK 1 SENSOR 1) |
| DTC P0136 | OXYGEN SENSOR CIRCUIT MALFUNCTION (BANK 1 SENSOR 2) |
| DTC P0171 | SYSTEM TOO LEAN (BANK 1) |
| DTC P0172 | SYSTEM TOO RICH (BANK 1) |
| DTC P0220 | THROTTLE/PEDAL POSITION SENSOR/SWITCH "B" CIRCUIT |
| DTC P0222 | THROTTLE PEDAL POSITION SENSOR/SWITCH "B" CIRCUIT LOW INPUT |
| DTC P0223 | THROTTLE PEDAL POSITION SENSOR/SWITCH "B" CIRCUIT HIGH INPUT |
| DTC P0300 | RANDOM/MULTIPLE CYLINDER MISFIRE DETECTED |
| DTC P0301 | CYLINDER 1 MISFIRE DETECTED |
| DTC P0302 | CYLINDER 2 MISFIRE DETECTED |
| DTC P0303 | CYLINDER 3 MISFIRE DETECTED |
| DTC P0304 | CYLINDER 4 MISFIRE DETECTED |
| DTC P0305 | CYLINDER 5 MISFIRE DETECTED |
| DTC P0306 | CYLINDER 6 MISFIRE DETECTED |
| DTC P0325 | KNOCK SENSOR 1 CIRCUIT (BANK 1 OR SINGLE SENSOR) |
| DTC P0330 | KNOCK SENSOR 2 CIRCUIT (BANK 2) |
| DTC P0335 | CRANKSHAFT POSITION SENSOR "A" CIRCUIT |
| DTC P0339 | CRANKSHAFT POSITION SENSOR "A" CIRCUIT INTERMITTENT |
| DTC P0340 | CAMSHAFT POSITION SENSOR "A" CIRCUIT (BANK 1 OR SINGLE SENSOR) |
| DTC P0341 | CAMSHAFT POSITION SENSOR "A" CIRCUIT RANGE/PERFORMANCE (SINGLE SENSOR) |
| DTC P0351 | IGNITION COIL "A" PRIMARY/SECONDARY CIRCUIT |
| DTC P0420 | CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD (BANK 1) |
| DTC P0441 | EVAPORATIVE EMISSION CONTROL SYSTEM INCORRECT PURGE FLOW |
| DTC P0442 | EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED (SMALL LEAK) |
| DTC P0446 | EVAPORATIVE EMISSION CONTROL SYSTEM VENT CONTROL CIRCUIT |
| DTC P0451 | EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE SENSOR/SWITCH RANGE/PERFORMANCE |
| DTC P0452 | EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE SENSOR/SWITCH LOW INPUT |
| DTC P0453 | EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE SENSOR/SWITCH HIGH INPUT |
| DTC P0456 | EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED (VERY SMALL LEAK) |
| DTC P0500 | VEHICLE SPEED SENSOR "A" |
| DTC P0503 | VEHICLE SPEED SENSOR "A" INTERMITTENT/ERRATIC/HIGH |
| DTC P0505 | IDLE CONTROL SYSTEM MALFUNCTION |
| DTC P0560 | SYSTEM VOLTAGE |
| DTC P0604 | INTERNAL CONTROL MODULE RANDOM ACCESS MEMORY (RAM) ERROR |
| DTC P0606 | ECM/PCM PROCESSOR |
| DTC P0607 | CONTROL MODULE PERFORMANCE |
| DTC P0617 | STARTER RELAY CIRCUIT HIGH |
| DTC P0657 | ACTUATOR SUPPLY VOLTAGE CIRCUIT/OPEN |
| DTC P0705 | TRANSMISSION RANGE SENSOR MALFUNCTION (PRNDL INPUT) |
| DTC P0724 | BRAKE SWITCH "B" CIRCUIT HIGH |
| DTC P0850 | DTC P0850: PARK/NEUTRAL SWITCH INPUT CIRCUIT |
| DTC P1126 | MAGNETIC CLUTCH CIRCUIT |
| DTC P2102 | THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW |
| DTC P2103 | THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH |
| DTC P2111 | THROTTLE ACTUATOR CONTROL SYSTEM - STUCK OPEN |
| DTC P2112 | THROTTLE ACTUATOR CONTROL SYSTEM - STUCK CLOSED |
| DTC P2118 | THROTTLE ACTUATOR CONTROL MOTOR CURRENT RANGE/PERFORMANCE |
| DTC P2119 | THROTTLE ACTUATOR CONTROL THROTTLE BODY RANGE PERFORMANCE |
| DTC P2120 | THROTTLE/PEDAL POSITION SENSOR/SWITCH "D" CIRCUIT |
| DTC P2121 | THROTTLE/PEDAL POSITION SENSOR/SWITCH "D" CIRCUIT RANGE/PERFORMANCE |
| DTC P2122 | THROTTLE/PEDAL POSITION SENSOR/SWITCH "D" CIRCUIT LOW INPUT |
| DTC P2123 | THROTTLE/PEDAL POSITION SENSOR/SWITCH "D" CIRCUIT HIGH INPUT |
| DTC P2125 | THROTTLE/PEDAL POSITION SENSOR/SWITCH "E" CIRCUIT |
| DTC P2127 | THROTTLE/PEDAL POSITION SENSOR/SWITCH "E" CIRCUIT LOW INPUT |
| DTC P2128 | THROTTLE/PEDAL POSITION SENSOR/SWITCH "E" CIRCUIT HIGH INPUT |
| DTC P2135 | THROTTLE/PEDAL POSITION SENSOR/SWITCH "A"/"B" VOLTAGE CORRECTION |
| DTC P2138 | THROTTLE/PEDAL POSITION SENSOR/SWITCH "D"/"E" VOLTAGE CORRELATION |
| DTC P2195 | OXYGEN (A/F) SENSOR SIGNAL STUCK LEAN (BANK 1 SENSOR 1) |
| DTC P2196 | OXYGEN (A/F) SENSOR SIGNAL STUCK RICH (BANK 1 SENSOR 1) |
| DTC P2238 | OXYGEN SENSOR PUMPING CURRENT CIRCUIT/LOW (FOR A/F SENSOR) (BANK 1 SENSOR 1) |
| DTC P2239 | OXYGEN SENSOR PUMPING CURRENT CIRCUIT/HIGH (FOR A/F SENSOR) (BANK 1 SENSOR 1) |
| DTC P2A00 | A/F SENSOR CIRCUIT SLOW RESPONSE (BANK 1 SENSOR 1) |
DIAGNOSTIC TROUBLE CODES
