Symptom Chart

WARNING: This page is about a different car, the 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.

Symptom Chart

Condition	Possible Sources	Action
No communication with the lighting control module (LCM)	Fuse(s) Wiring, terminals or connectors LCM	REFER to DIAGNOSTIC TESTS article.
No communication with the driver door module (DDM)	Fuse(s) Wiring, terminals or connectors DDM	REFER to DIAGNOSTIC TESTS article.
The alarm system does not operate correctly	Wiring, terminals or connectors Door disarm switch Hood switch Luggage compartment lid disarm switch Keyless entry keypad Remote keyless entry (RKE) transmitter battery RKE transmitter DDM LCM	Go to Pinpoint Test A .