DTC P0603: PCM Internal Control Module Keep Alive Memory (KAM) Error
WARNING: This page is about a different car, the 2008 Honda Pilot, 2007 Honda Pilot, and 2006 Honda Pilot. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION
).
- Turn the ignition switch ON (II).
- Clear the DTC with the HDS.
- Check for Temporary DTCs or DTCs with the HDS.
Are any Temporary DTCs or DTCs indicated?
YES -Go to step 4.
NO -Intermittent failure, the system is OK at this time.
- Update the PCM if it does not have the latest, software (see UPDATING THE PCM ), or substitute a known-good PCM (see HOW TO SUBSTITUTE THE PCM ).
- Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0603 indicated?
YES -If the PCM was updated, substitute a known-good PCM (see HOW TO SUBSTITUTE THE PCM ), then recheck. If the PCM was substituted, go to step 1.
NO -If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM (see PCM REPLACEMENT ). If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.