Without Scan Tool

1. Turn the Ignition Switch off.
2. Remove the BACK UP (7.5 A) fuse from the under-hood Fuse/Relay Box for 10 seconds to reset the ECM.

NOTE: Removing the BACK UP (7.5 A) fuse also cancels the radio preset stations and the clock setting. Make note of the radio presets before removing the fuse so you reset them.