Without Scan Tool
To clear fault codes from the ECU:Location Of Clock/Radio Fuse:
1. Turn the ignition off.
2. Remove the CLOCK/RADIO fuse (10A) from the under-hood relay box.
3. Wait 10 seconds for the ECU to clear its memory, and reinstall the CLOCK/RADIO fuse.
NOTE: Removing this fuse also cancels the radio presets and the clock settings. Make a note of the radio presets before removing the fuse so you can reset them.