| P1101 | Power Stage Group A |
| P1307 | Accelerometer signal |
| P1308 | Accelerometer signal |
| P1326 | Fault in engine control module (ECM) knock control circuit |
| P1327 | Fault in engine control module (ECM) knock control circuit |
| P1328 | Fault in engine control module (ECM) knock control circuit |
| P1329 | Fault in engine control module (ECM) knock control circuit |
| P1401 | Fault in engine control module (ECM) engine coolant temperature (ECT) |
| P1403 | Fault in engine control module (ECM) control module box temperature sensor |
| P1404 | Fault in engine control module (ECM) control module box temperature sensor |
| P1405 | Temperature warning greater than 230 degrees F |
| P1406 | Temperature warning greater than 212 degrees F |
| P1505 | Idle air control (IAC) valve opening signal |
| P1506 | Idle air control (IAC) valve opening signal |
| P1507 | Idle air control (IAC) valve closing signal |
| P1508 | Idle air control (IAC) valve closing signal |
| P1604 | Ignition discharge module (1DM) group 0 |
| P1605 | Ignition discharge module (1DM) group E |
| P1617 | Cable fault between AW 50-42 TCM and Motronic 4.4 ECM (lamp lights) |
| P1618 | Cable fault between AW 50-Q2 TCM and Motronic 4.4 ECM (lamp lights) |
| P1619 | Engine cooling fan (FC) low-speed signal |
| P1620 | Engine cooling fan (FC) low-speed signal |
| P1621 | Diagnostic trouble code (DIG) in automatic transmission control module (TCM) |