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Home >> Honda >> 2006 >> Civic GX >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> PGM-FI System (R18A1 Engine) >> 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 ('09-11 models)
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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 ('09-11 models)

NOTE:
  • Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).
  • Information marked with an asterisk (*) applies to the '06-08 models.
  • Information marked with a double asterisk (* *) applies to the '09-11 models.
  1. Turn the ignition switch to ON (II).
  2. Clear the DTC with the HDS.
  3. Check for Pending or Confirmed DTCs with the HDS.

    Is DTC P0603* (P062F)* * 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 ECM/PCM UPDATE  ), or substitute a known-good ECM/PCM (see SUBSTITUTING THE ECM/PCM ).
  5. Check for Pending or Confirmed 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 Pending or Confirmed DTCs are indicated, go to the INDICATED DTC'S TROUBLESHOOTING .

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