Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ). This DTC is indicated when a MCM update is not completed. Do not turn the ignition switch to ACCESSORY (I) or to LOCK (0) while updating the MCM. If you do, the MCM can be damaged.
- Do the MCM (IMA Motor) update procedure (see MOTOR CONTROL MODULE (MCM) UPDATE ).
- Check for Pending or Confirmed DTCs with the HDS. Is DTC U0311 indicated? YES -Replace the original MCM (see MOTOR CONTROL MODULE (MCM) REMOVAL/INSTALLATION ). NO -Update is complete. If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC'S TROUBLESHOOTING .