DTC U0302: Pcm-FI System And A/T System Program Version Mismatch

WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.

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 LOCK (0) or ACCESSORY (I) while updating the PCM. If you turn the ignition switch to LOCK (0) or ACCESSORY (I) before completion, the PCM can be damaged.

Do the PCM update procedure (A/T system) (see PCM UPDATE ).
Check for Pending or Confirmed DTCs with the HDS.
Is DTC U0302 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.