P0603 - Internal Control Module Keep Alive Memory (KAM) Error
WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 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 powertrain control module (PCM) has experienced an internal memory concern. 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 | refer to PINPOINT TEST QB . | - | - | |