Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the GENERAL TROUBLESHOOTING INFORMATION . This DTC is indicated when a PCM update is not completed. Do not turn the ignition switch to ACC (II) or LOCK (0) while updating the PCM. If you do, the PCM will be damaged.
- Do the PCM update procedure (see «PCM UPDATE»(ref-351658-S06327977152009122700000) ).
- Check for Pending or confirmed DTCs with the HDS. Is DTC U0302 indicated? YES -Replace the original PCM Module (see «PCM Replacement»(ref-351658-S27805868952009122700000) ). NO -Troubleshooting is complete. If any other Temporary DTCs or DTCs were indicated, go to the indicated DTC's troubleshooting.