How to Reset the ECM/PCM

Engine Control Module (ECM)/Powertrain Control Module (PCM) Reset Procedure
Either of the following actions will reset the ECM/PCM.
- Use the OBD II scan tool or Honda PGM Tester to clear the ECM's/PCM's memory. (See the OBD II scan tool or Honda PGM Tester user's manuals for specific operating instructions.)
- Turn the ignition switch OFF. Remove the BACK UP (RADIO) (7.5 A) fuse from the under-hood fuse/relay box for 10 seconds.