DTC U0300: PGM-FI System and A/T System Program Version Mismatch
NOTE:
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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 to ACC (I) or LOCK (0) while updating the PCM. If you do, the PCM can be damaged.
- Do the PCM update procedure for the PGM-FI and A/T systems (see PCM UPDATE ).
- 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 .