Possible Causes
WARNING: This page is about a different car, the 2005 Mercury Mountaineer and 2005 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
- no signal from anti-theft module
- anti-theft indicator is inoperative
- powertrain control module (PCM)
- circuit 645 (WH/LB)
- circuit 343 (DB/LG)