Symptom Chart

WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. 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 driver door module (DDM)	Fuse(s) Circuitry Connector(s) DDM	REFER to MULTIFUNCTION ELECTRONIC MODULES .
No communication with the lighting control module (LCM)	Fuse(s) Circuitry Connector(s) LCM	REFER to MULTIFUNCTION ELECTRONIC MODULES .
The door locks do not operate correctly from 1 switch.	Circuitry Door lock control switch	GO to PINPOINT TEST A .
The luggage compartment lid is inoperative - without police package	Circuitry Luggage compartment lid latch Luggage compartment lid release switch Driver door module (DDM)	GO to PINPOINT TEST B .
All door locks are inoperative	Fuse(s) Circuitry Door lock control switch Driver door module (DDM)	GO to PINPOINT TEST C .
A single/more than 1 door lock is inoperative	Circuitry Door lock control switch Door lock actuator Driver door module (DDM)	GO to PINPOINT TEST D .
The doors do not lock/unlock using remote keyless entry (RKE) keypad	Circuitry Driver door module (DDM) RKE keypad	GO to PINPOINT TEST E .
The doors do not lock/unlock using the remote keyless entry (RKE) transmitter	RKE transmitter programming RKE transmitter RKE transmitter battery Driver door module (DDM)	GO to PINPOINT TEST F .
The auto-lock does not operate correctly	Door ajar switches Communication messages Driver door module (DDM)	GO to PINPOINT TEST G .
The smart lock does not operate correctly	Key-in ignition warning system Driver door module (DDM)	GO to PINPOINT TEST H .
The luggage compartment lid is inoperative using the remote keyless entry (RKE) transmitter	RKE transmitter Driver door module (DDM)	GO to PINPOINT TEST I .
Panic feature is inoperative/does not operate correctly	Circuitry RKE transmitter Lighting control module (LCM) Driver door module (DDM)	GO to PINPOINT TEST J .
The remote keyless entry (RKE) keypad illumination is inoperative	Circuitry RKE keypad Driver door module (DDM)	GO to PINPOINT TEST K .
The auto-unlock does not operate correctly	Communication messages Door ajar switches Driver door module (DDM)	GO to PINPOINT TEST L .
The remote keyless entry (RKE) transmitter is out of synchronization	RKE transmitter RKE transmitter button pressed a substantial number of times while outside the range of the vehicle	GO to PINPOINT TEST M .
The remote keyless entry (RKE) transmitters are inoperative	Circuitry Antenna Driver door module (DDM)	GO to PINPOINT TEST N .
The remote keyless entry (RKE) transmitter has poor range performance	Aftermarket system High power devices TV/radio transmission towers RKE transmitter Driver door module (DDM)	GO to PINPOINT TEST O .
The luggage compartment lid is inoperative - with police package	Fuse Accessory delay system Circuitry Luggage compartment lid latch Luggage compartment lid release switch	GO to PINPOINT TEST P .