LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2009 >> CSX Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> PGM-FI System >> DTC Troubleshooting >> DTC P0603: ECM/PCM Internal Control Module Keep Alive Memory (KAM) Error ('06-08 Models); DTC P062F: ECM/PCM Internal Control Module Keep Alive Memory (KAM) Error ('09 Models)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P0603: ECM/PCM Internal Control Module Keep Alive Memory (KAM) Error ('06-08 Models); DTC P062F: ECM/PCM Internal Control Module Keep Alive Memory (KAM) Error ('09 Models)

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).
  1. Turn the ignition switch ON (II).
  2. Clear the DTC with the HDS.
  3. 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.

  4. Update the ECM/PCM if it does not have the latest software (see UPDATING THE ECM/PCM ), or substitute a known-good ECM/PCM (see SUBSTITUTING THE ECM/PCM ).
  5. Check for Temporary DTCs or DTCs with the HDS.

    Is DTC P0603 (P062F) indicated? 

    YES  -If the ECM/PCM was updated, substitute a known-good ECM/PCM (see SUBSTITUTING THE ECM/PCM ), then recheck. If the ECM/PCM was substituted, go to step  1.

    NO  -If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was substituted, replace the original ECM/PCM (see ECM/PCM REPLACEMENT  ). If any other Temporary DTCs or DTCs are indicated, go to the INDICATED DTCS TROUBLESHOOTING .

scientia non olet · About LEMON Manuals