Trouble Shooting
Check TBC fuse (10-amp) in engine wiring harness junction block. Check MR/LOCK fuse (3-amp), DR LOCK fuse (20-amp), LOCK fuse (15-amp) and UNLOCK fuse (15-amp) in fuse block. Ensure all electrical connectors, circuits and grounds are good. Try second transmitter if available. If second transmitter works, replace battery in first transmitter. If still inoperable, replace first transmitter. Ensure power door locks system is operational. See appropriate POWER DOOR LOCKS article.