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 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.
- Do the PCM update procedure for the PGM-FI and A/T system (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. ■