Grand Marquis V8-4.6L VIN V Flex Fuel (2006)
E4-E6
Normal Operation
When the luggage compartment is open and the ignition switch is in the RUN position, the lighting control module (LCM) sends the instrument cluster
a message over the SCP communication network to illuminate the trunk ajar message. A diagnostic trouble code (DTC) is set if circuit 486 (BN/WH)
is shorted to ground.
Possible Causes
-
circuit 486 (BN/WH) short to ground
-
luggage compartment lamp
-
luggage compartment lid latch
-
LCM
-
instrument cluster
