Normal Operation
WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Remote locking and unlocking of the doors is accomplished by the vehicle security module (VSM) receiving a command message from the RKE transmitter. The VSM processes the command and grounds circuits 163 (RD/OG) and 118 (PK/OG), while energizing circuit 117 (PK/BK) to lock the doors, or grounds circuit 117 (PK/BK), while energizing circuits 163 (RD/OG) and 118 (PK/OG) to unlock the doors.
Possible Causes
- RKE transmitter battery
- RKE transmitter programming
- RKE transmitter
- Aftermarket systems
- High power devices
- TV/radio transmission towers
- VSM