P0603 OBD Trouble Code
1 result found
| Type | Powertrain - Computer and Auxiliary Outputs - ISO/SAE Controlled |
|---|---|
| Description | Control Module Long Term Memory Reset Conditions |
| Cause | DTC P0604 not set, key on, then the PCM determined that its calculated checksum that did not match a previous checksum • Refer to code repair chart for instructions on how to replace a PCM and how to reprogram the replacement |
Try also: https://www.obd-codes.com/p0603
