| Description | Indicates an error occurred in the powertrain control module (PCM). | ||
|---|---|---|---|
| Possible Causes | Software incompatibility issue Damaged PCM | ||
| Diagnostic Aids | Verify the PCM is at the latest calibration level. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST QF . | ||
P1674 - CONTROL MODULE SOFTWARE CORRUPTED