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Home >> Honda >> 2014 >> Pilot EX-L, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (PGM-FI System) >> DTC Troubleshooting >> DTC U0300: PGM-FI System and A/T System Program Version Mismatch
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DTC U0300: PGM-FI System and A/T System Program Version Mismatch

WARNING: This page is about a different car, the 2011 Honda Pilot, 2010 Honda Pilot, and 2009 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 GENERAL TROUBLESHOOTING INFORMATION .
  • Do not turn the ignition switch to ACC (I) or LOCK (0) while updating the PCM. If you do, the PCM will be damaged.
  1. Do the PCM update procedure for the PGM-FI and A/T system (see PCM UPDATE  ).
  2. Check for Pending or Confirmed DTCs with the HDS.

    Is DTC U0300 indicated? 

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

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

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