DTC Troubleshooting: U0300 (131)

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.
  • 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).

2.Do the PCM update procedure (A/T system).

3.Check for Temporary DTCs or DTCs with the HDS.

Is DTC U0300 indicated?


YES - Replace the original PCM.n


NO - The update is complete.n