ECM Reset Procedure/Clearing Codes
NOTE:
Some models have an anti-theft code built into the radio circuit. Clearing codes cancels clock and radio settings; make note of settings before beginning reset procedure. After ECM reset, the radio will not function until code is entered.
To reset Engine Control Module (ECM) (clear codes), remove CLOCK/RADIO (10-amp) fuse from underhood fuse/relay box. Leave fuse out for 10 seconds to reset ECM.