Isuzu OBD2 Trouble Codes
The following trouble codes are specific to Isuzu.
Isuzu Powertrain Trouble Codes
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| Code(s) | Description |
|---|---|
| P1106 | MAP Circuit Intermittent Voltage High |
| P1107 | MAP Circuit Intermittent Voltage Low |
| P1108 | Barometric Pressure Circuit Input High |
| P1111 | IAT Sensor Circuit Intermittent Voltage High |
| P1112 | IAT Sensor Circuit Intermittent Voltage Low |
| P1114 | ECT Sensor Circuit Intermittent Voltage Low |
| P1115 | ECT Sensor Circuit Intermittent Voltage High |
| P1121 | TP Sensor Circuit Intermittent Voltage High |
| P1122 | TP Sensor Circuit Intermittent Voltage Low |
| P1133 | H02S Insufficient Switching Bank 1 Sensor 1 |
| P1134 | H02S Transition Time Ratio Bank 1 Sensor 1 |
| P1153 | H02S Insufficient Switching Bank 2 Sensor 1 |
| P1154 | H02S Transition Time Ratio Bank 2 Sensor 1 |
| P1171 | Fuel System Lean During Acceleration |
| P1297 | Electrical Load Detector Circuit Input Low |
| P1298 | Electrical Load Detector Circuit Input High |
| P1300 | Random Misfire |
| P1336 | CKP System Variation Not Learned |
| P1345 | CKP/CMP signals - signal malfunction |
| P1359 | CKP/TDC Sensor Disconnected |
| P1361 | TDC Sensor Intermittent Interruption |
| P1362 | TDC Sensor No Signal |
| P1380 | ABS Rough Road System Fault |
| P1381 | Cylinder Position Sensor Intermittent Interruption, Misfire Detected (Except 1998 Rodeo) |
| P1381 | ABS Rough Road Class 2 Serial Data Fault Or Link Error (1998 Rodeo) |
| P1382 | Cylinder Position Sensor No Signal |
| P1390 | G Sensor Circuit Intermittent Voltage Low |
| P1391 | G Sensor Performance |
| P1392 | G Sensor Voltage Low |
| P1393 | G Sensor Voltage High |
| P1394 | G Sensor Intermittent Voltage High |
| P1404 | EGR Valve Stuck Closed |
| P1406 | EGR Valve Pintle Position Circuit |
| P1441 | EVAP System Flow During Non-Purge |
| P1442 | EVAP Vacuum Switch Voltage High During Ignition On |
| P1459 | EVAP Emission Purge Flow Switch Malfunction |
| P1491 | EGR Valve Lift Insufficient Detected |
| P1498 | EGR Valve Lift Sensor Voltage High |
| P1508 | IAC System RPM Low |
| P1509 | IAC System RPM High |
| P1546 | A/C Compressor Clutch Output Circuit Malfunction |
| P1548 | A/C Compressor Clutch Output Circuit Malfunction |
| P1607 | PCM Internal Circuit Failure ‘‘A’’ |
| P1618 | SPI Communications Error |
| P1625 | PCM Unexpected Reset |
| P1627 | PCM A/D Conversion Malfunction |
| P1635 | 5 Volt Reference Voltage Circuit Malfunction |
| P1640 | ODM 1 Input Voltage High (Except 1998 Rodeo) |
| P1640 | ODM Output ‘‘A’’ Circuit Fault (1998 Rodeo) |
| P1650 | Quad Driver Module ‘‘A’’ Fault |
| P1790 | Trans ROM Checksum Error |
| P1792 | Trans EEPROM Checksum Error |
| P1835 | Trans Kickdown Switch Malfunction |
| P1850 | Brake Band Apply Solenoid Malfunction |
| P1860 | TCC PWM Solenoid Circuit Failure |
| P1870 | Transmission Component Slipping |