| Description | Indicates the powertrain control module (PCM) has experienced an internal memory concern. However, there are external items that can cause this DTC. | ||
|---|---|---|---|
| Possible Causes | Reprogramming Battery terminal corrosion Keep alive power (KAPWR) circuit to PCM concern Loose battery connection Damaged PCM | ||
| Diagnostic Aids | If KAPWR is interrupted to the PCM because of a battery or PCM disconnect, a DTC can be generated on the first power-up. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST QB . | ||
P0603 - INTERNAL CONTROL MODULE KEEP ALIVE MEMORY (KAM) ERROR