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Home >> Honda >> 2013 >> CR-Z Base, Automatic CVT Trans >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> IMA System >> DTC Troubleshooting >> DTC U0312: BCM, MCM and PGM-FI System Program Version Mismatch

DTC U0312: BCM, MCM and PGM-FI System Program Version Mismatch

NOTE:
  • Before you troubleshoot, record all freeze data, and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).
  • This DTC is indicated when a MCM update is not completed.
  • Do not turn the ignition switch to LOCK (0) while updating the MCM. If you do, the MCM can be damaged.
  1. Do the MCM (IMA Battery) update procedure (see Motor Control Module (MCM) Update ).
  2. Check for Pending or Confirmed DTCs with the HDS.

    Is DTC U0312 indicated? 

    YES  - Replace the original MCM (see Motor Control Module (MCM) Removal/Installation ).

    NO  - Update is complete. If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.

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