Diagnostic Trouble Code Definitions
For DTC and MIL problem code definitions, see Fig 1 -Fig 6 . Perform appropriate diagnostic test as directed.
DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC P0106 | MAP SENSOR (MECHANICAL) |
| DTC P0107 | MAP SENSOR CIRCUIT (LOW VOLTAGE) |
| DTC P0108 | MAP SENSOR CIRCUIT (HIGH VOLTAGE) |
| DTC P0112 | IAT SENSOR CIRCUIT (LOW VOLTAGE) |
| DTC P0113 | IAT SENSOR CIRCUIT (HIGH VOLTAGE) |
| DTC P0116 | ECT SENSOR CIRCUIT (RANGE/PERFORMANCE) |
| DTC P0117 | ECT SENSOR CIRCUIT (LOW VOLTAGE) |
| DTC P0118 | ECT SENSOR CIRCUIT (HIGH VOLTAGE) |
| DTC P0122 | THROTTLE POSITION SENSOR CIRCUIT (LOW VOLTAGE) |
| DTC P0123 | THROTTLE POSITION SENSOR (HIGH VOLTAGE) |
| DTC P0131 OR P0151 | REAR OR FRONT PRIMARY HO2S (LOW VOLTAGE) |
| DTC P0132 OR P0152 | REAR OR FRONT PRIMARY HO2S (HIGH VOLTAGE) |
| DTC P0133 OR P0153 | REAR OR FRONT PRIMARY HO2S (SLOW RESPONSE) |
| DTC P0135, P0141, P0155 OR P0161 | HO2S HEATER CIRCUIT MALFUNCTION |
| DTC P0137 OR P0157 | REAR OR FRONT SECONDARY HO2S (LOW VOLTAGE) |
| DTC P0138 OR P0158 | REAR OR FRONT SECONDARY HO2S (HIGH VOLTAGE) |
| DTC P0139 OR P0159 | REAR OR FRONT SECONDARY HO2S (SLOW RESPONSE) |
| DTC P0171, P0172, P0174 OR P0175 | SYSTEM TOO LEAN/RICH |
| DTC P0325 OR P0330 | REAR OR FRONT KNOCK SENSOR |
| DTC P0335, P0336, P1336, P1337, P1381, P1382, P1386, P1387 | CKP/CYP SENSOR (CIRCUIT MALFUNCTION) |
| DTC P0401 | EGR SYSTEM (INSUFFICIENT FLOW) |
| DTC P0420 OR P0430 | REAR OR FRONT THREE WAY CATALYTIC CONVERTER |
| DTC P0441 | INSUFFICIENT EVAP PURGE FLOW |
| DTC P0500 | VEHICLE SPEED SENSOR |
| DTC P1107 OR P1108 | BARO SENSOR (LOW OR HIGH VOLTAGE) |
| DTC P1201, P1202, P01203, P1204, P1205, P1206 OR P1301, P1302, P1303, P1304, P1305, P1306 | MISFIRE DETECTED |
| DTC P1241 OR P1242 | THROTTLE VALVE CONTROL MOTOR CIRCUIT MALFUNCTION |
| DTC P1243 OR P1244 | INSUFFICIENT THROTTLE POSITION |
| DTC P1246, P1247 OR P1248 | ACCELERATOR POSITION SENSOR CIRCUIT MALFUNCTION |
| DTC P1259 OR P1279 | REAR OR FRONT VTEC (PRESSURE SWITCH OR SOLENOID VALVE) |
| DTC P1300 | RANDOM MISFIRE |
| DTC P1316 OR P1317 | SPARK PLUG VOLTAGE DETECTION MODULE |
| DTC P1318 OR P1319 | SPARK PLUG VOLTAGE DETECTION MODULE RESET |
| DTC P1459 | EVAP PURGE FLOW SWITCH |
| DTC P1491 | EGR VALVE SYSTEM MALFUNCTION |
| DTC P1498 | EGR SYSTEM VALVE LIFT SENSOR CIRCUIT (HIGH VOLTAGE) |
| DTC P1607 OR P1608 | ECM INTERNAL CIRCUIT FAILURE |
| DTC P1671 OR P1672 | A/T FI SIGNAL "B" (NO SIGNAL OR FAILURE) |