DTC P0603: Internal Control Module Keep Alive Memory (KAM) Error
WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
P0603 - INTERNAL CONTROL MODULE KEEP ALIVE MEMORY (KAM) ERROR
| Description: | Indicates the PCM has experienced an internal memory fault. However, there are external items that can cause this DTC. | ||
| Possible Causes: |
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| 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 . | - | - |