Please help us add to this by posting your additions to this topic. Looking for 1993-1998 model trouble codes?
| Code | Extended | Meaning of Code | Repair/Info Location |
| P1111 | ECM-1100 | Intake Air Temperature (IAT) intermittent high voltage | |
| P1112 | ECM-1100 | Intake Air Temperature (IAT) intermittent low voltage | |
| P1113 | ECM-1100 | Intake Air Temperature (IAT) faulty signal | |
| P1131 | ECM-280A | Front heated O2 sensor (HO2S) faulty signal | |
| P1151 | ECM-290A | Front heated O2 sensor (HO2S) bank 2 faulty signal | |
| P1153 | ECM-290A | Front heated O2 sensor (HO2S) bank 2 signal missing | |
| P1171 | ECM-261A | Long-term fuel trim, Upper Limit | |
| P1172 | ECM-261A | Long-term fuel trim, Lower Limit | |
| P1174 | ECM-260A | Long-term fuel trim, Upper Limit | |
| P1175 | ECM-260A | Long-term fuel trim, Lower Limit | |
| P1177 | ECM-268A | Long-term fuel trim, Upper Limit | |
| P1178 | ECM-268A | Long-term fuel trim, Lower Limit | |
| P1179 | ECM-268A | Long-term fuel trim, Faulty Signal | |
| P1181 | ECM-271A | Long-term fuel trim bank 2, Upper Limit | |
| P1182 | ECM-271A | Long-term fuel trim bank 2, Lower Limit | |
| P1184 | ECM-270A | Long-term fuel trim bank 2, Upper Limit | |
| P1185 | ECM-270A | Long-term fuel trim bank 2, Lower Limit | |
| P1237 | ECM-6806 | Turbocharger control system flow fault. Flow too low. | |
| P1238 | ECM-6806 | Turbocharger control system flow fault. Flow too high. | |
| P1325 | ECM-34F0 | Knock sensor (KS), test pulse. Signal too low/too high. | |
| P1326 | ECM-34F0 | Knock sensor (KS), offset. Signal too low/too high. | |
| P1329 | ECM-3400 | Knock sensor (KS), test pulse. Signal too low/too high. | |
| P1350 | ECM-3300 | Ignition coil cylinder 1. Signal too low. | |
| P1351 | ECM-3300 | Ignition coil cylinder 1. Signal too high. | |
| P1352 | ECM-3310 | Ignition coil cylinder 2. Signal too low. | |
| P1353 | ECM-3310 | Ignition coil cylinder 2. Signal too high. | |
| P1354 | ECM-3320 | Ignition coil cylinder 3. Signal too low. | |
| P1355 | ECM-3320 | Ignition coil cylinder 3. Signal too high. | |
| P1356 | ECM-3330 | Ignition coil cylinder 4. Signal too low. | |
| P1357 | ECM-3330 | Ignition coil cylinder 4. Signal too high. | |
| P1358 | ECM-3340 | Ignition coil cylinder 5. Signal too low. | |
| P1359 | ECM-3340 | Ignition coil cylinder 5. Signal too high. | |
| P1360 | ECM-3353 | Ignition coil cylinder 6. Signal too low. | |
| P1361 | ECM-3350 | Ignition coil cylinder 6. Signal too high. | |
| P1440 | ECM-4338 | Fuel tank filler cap missing | |
| P1481 | ECM-6110 | Engine cooling fan (FC) relay. Signal too low. | |
| P1482 | ECM-6110 | Engine cooling fan (FC) relay. Signal too high. | |
| P1513 | ECM-9400 | Brake pedal position sensor. Faulty signal. | |
| P1520 | ECM-917F | Accelerator pedal (AP) position sensor, internal fault. | |
| P1520 | ECM-9180 | Accelerator pedal (AP) position sensor. Faulty signal. | |
| P1525 | ECM-91DF | Stop lamp switch. Faulty signal. | |
| P1526 | ECM-980A | Control module, internal fault. | |
| P1528 | ECM-91CF | Engine control module (ECM). Internal fault. | |
| P1550 | ECM-510F | Speed signal. | |
| P1551 | ECM-510F | Speed signal. | |
| P1560 | ECM-928C | Control module, communication fault. Signal too high. | |
| P1561 | ECM-928C | Control module, communication fault. Signal too low. | |
| P1562 | ECM-928C | Control module, communication fault. Signal missing. | |
| P1600 | ECM-9190 | Throttle unit, internal fault. | |
| P1601 | ECM-91F0 | Throttle unit, internal fault. | |
| P1602 | ECM-91B7 | Throttle unit, internal fault. | |
| P1603 | ECM-91A7 | Throttle unit, internal fault. (ETM code). | |
| P1604 | ECM-910B | Throttle unit, internal fault. | |
| P1605 | ECM-911A | Throttle unit, communication fault. | |
| P1606 | ECM-912A | Engine control module (ECM) communication. Faulty Signal. | |
| P1607 | ECM-91E0 | Battery voltage. Faulty signal. | |
| P1608 | ECM-903F | Throttle unit, internal fault. Signal too low or signal missing. | |
| P1609 | ECM-903F | Throttle unit, internal fault. Signal too low or signal missing. | |
| P1610 | ECM-903F | Throttle unit, internal fault. Signal too high. | |
| P1611 | ECM-902A | Throttle unit communication. Signal too high or signal missing. | |
| P1612 | ECM-902A | Throttle unit communication. Signal too low. | |
| P1613 | ECM-902A | Throttle unit communication. Signal too high or signal missing. | |
| P1614 | ECM-913F | Engine control module (ECM), internal fault. Faulty signal. | |
| P1615 | ECM-901E | Control module, internal fault. Faulty signal. Permanent Fault. | |
| P1618 | ECM-530D | Diagnostic trouble code (DTC) in another control module. | |
| P1625 | ECM-6B00 | Malfunction indicator lamp (MIL), signal. Signal too low. | |
| P1626 | ECM-6B00 | Malfunction indicator lamp (MIL), signal. Signal too high. | |
| P1627 | ECM-901A | Communication control module, communication fault. Faulty signal. | |
| P1628 | ECM-901A | Communication control module, communication fault. Faulty signal. | |
| P1629 | ECM-901A | Communication control module, communication fault. Faulty signal. | |
| P1630 | ECM-E003 | Control module, internal fault. Faulty signal. | |
| P1631 | ECM-530B | Control module communication. | |
| P1632 | ECM-710A | Real time clock (RTC). | |
| P1633 | ECM-510F | Speed signal. | |
| P1635 | ECM-7180 | Temperature sensor control module. Faulty signal. | |
| P1636 | ECM-7180 | Temperature sensor control module. Faulty signal. | |
| P1637 | ECM-715D | ECM temperature exceeded 85C/185F. | |
| P1638 | ECM-716D | ECM temperature exceeded 85C/185F. | |
| P1646 | ECM-6000 | Air conditioning (A/C) relay, signal. Signal too low. | |
| P1647 | ECM-6000 | Air conditioning (A/C) relay, signal. Signal too high. | |
| P1649 | ECM-6440 | Camshaft reset valve. Signal too low. | |
| P1650 | ECM-6440 | Camshaft reset valve. Signal too high. | |
| P1651 | ECM-981A | Control module, internal fault. Faulty signal. | |
| P1652 | ECM-982A | Control module, internal fault. Faulty signal. | |
| P1655 | ECM-6440 | Camshaft reset valve. Signal too low. | |
| P1656 | ECM-6440 | Camshaft reset valve. Signal too high. | |
| P1660 | ECM-928C | Control module, communication fault. Signal too high. | |
| P1661 | ECM-928C | Control module, communication fault. Signal too low. | |
| P1662 | ECM-928C | Control module, communication fault. Signal missing. | |
| P1672 | ECM-8410 | Power supply 5 volts. | |
| P1673 | ECM-8410 | Power supply 5 volts. | |
| P1680 | ECM-720A | Immobilizer communication. Signal missing. |