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Home >> Acura >> 2007 >> MDX >> Repair and Diagnosis >> Engine Performance >> System >> PGM-FI System >> DTC Troubleshooting >> DTC U0300: PGM-FI System and A/T System Program Version Mismatch

DTC U0300: PGM-FI System and A/T 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 ).
  • Do not turn the ignition switch OFF while updating the PCM. If you turn the ignition switch OFF before completion, the PCM will be damaged.
  1. Do the PCM update procedure {PGM-FI system) (see PCM UPDATE ).
  2. Do the PCM update procedure (A/T system) (see SUBSTITUTE THE PCM ).
  3. Check for Temporary DTCs or DTCs with the HDS.

    Is DTC U0300 indicated? 

    YES  - Replace the original PCM (see PCM REPLACEMENT  ).

    NO  - Troubleshooting is complete. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTCs troubleshooting.

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