OBD DIAGNOSTIC MONITORS
To verify that an OBD monitor drive cycle is completed and that all or specific components have been checked by completing a specified drive cycle. The following drive cycles will confirm that components and subsystems covered by the diagnostic monitors are operating properly. Observe and perform drive cycle conditions in order given.
DIAGNOSTIC TESTS
| DTC | Description |
|---|---|
| DTC P0102, P0103, P01100 OR P1101 | MAF SENSOR CIRCUIT |
| DTC P0112, P0113 OR P1112 | IAT SENSOR CIRCUIT |
| DTC P0117, P0118, P1116 OR P1117 | ECT SENSOR CIRCUIT (V8 ENGINE) |
| DTC P0122, P0123, P0124 OR P1121 | TP SENSOR CIRCUIT |
| DTC P0125 | ECT/CHT SENSOR RESPONSE INSUFFICIENT FOR CLOSED LOOP FUEL METERING |
| DTC P0131, P0132, P0133, P0135, P0420, P1130, P1131 OR P1132 | HO2S CIRCUIT (BANK 1, UPSTREAM 1) |
| DTC P0136, P0138, P0141, P0420, P1137 OR P1138 | HO2S CIRCUIT (BANK 1, DOWNSTREAM 2) |
| DTC P0151, P0152, P0153, P0155, P0430, P1150, P1151 OR P1152 | HO2S CIRCUIT (BANK 2, UPSTREAM 1) |
| DTC P0156, P0158, P0161, P0430, P1157 OR P1158 | HO2S CIRCUIT (BANK 2, DOWNSTREAM 2) |
| DTC P0180 | EFT SENSOR CIRCUIT |
| DTC P0190, P0192 OR P0193 | INJECTOR PRESSURE SENSOR CIRCUIT |
| DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208 | FUEL INJECTOR CIRCUIT |
| DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308 | RANDOM CYLINDER MISFIRE |
| DTC P0325 | KNOCK SENSOR CIRCUIT (BANK 1) |
| DTC P0330 | KNOCK SENSOR CIRCUIT (BANK 2) |
| DTC P0340 | CAMSHAFT POSITION SENSOR CIRCUIT (BANK 1) |
| DTC P0341 | CAMSHAFT POSITION SENSOR CIRCUIT (BANK 2) |
| DTC P0351, P0352, P0353, P0354, P0355, P0356, P0357, P0358 | IGNITION COIL PRIMARY CIRCUIT MALFUNCTION |
| DTC P0442 | EVAP CONTROL SYSTEM (SMALL LEAK) |
| DTC P0443 | EVAP CONTROL SYSTEM PURGE VALVE CIRCUIT |
| DTC P0451 | FTP SENSOR RANGE/PERFORMANCE |
| DTC P0452 & P0453 | FTP SENSOR CIRCUIT |
| DTC P0602 | PCM PROGRAMMING ERROR |
| DTC P0603 | PCM KAM TEST ERROR |
| DTC P0605 | PCM ROM TEST ERROR |
| DTC P1127 | EXHAUST NOT WARM ENOUGH (DOWNSTREAM HO2 SENSORS NOT TESTED) |
| DTC P1128 & P1129 | HO2S SWAPPED FROM BANK TO BANK |
| DTC P1183 & P1184 | EOT SENSOR CIRCUIT |
| DTC P1285 | CHT SENSOR (HIGH TEMPERATURE SENSED - V6 ENGINE) |
| DTC P1288 | CHT SENSOR (SELF-TEST OUT OF RANGE - V6 ENGINE) |
| DTC P1289 & P1290 | CHT SENSOR CIRCUIT (V6 ENGINE) |
| DTC P1380, P1381 OR P1383 | VVT MALFUNCTION (BANK 1) |
| DTC P1385, P1386 OR P1388 | VVT MALFUNCTION (BANK 2) |
| DTC P1450 | SYSTEM UNABLE TO RELEASE FUEL TANK VACUUM |
| DTC P1451 | EVAP CANISTER CLOSE VALVE CIRCUIT |
| DTC P1633 | KAM VOLTAGE TOO LOW |
DIAGNOSTIC TROUBLE CODES (DTC) LIST