Symptom Chart: Interior Lighting

WARNING: This page is about a different car, the 2015 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.

Condition	Possible Sources	Action
A module does not respond to the scan tool	Fuse Wiring, terminals or connectors Module	REFER to Module Communications Network
The courtesy lamps flash on and off	The BCM is not configured correctly	This symptom is present due to incomplete or improper PMI procedures. REPEAT/PERFORM the PMI procedure as directed by the scan tool. REFER to Module Configuration .
The courtesy lamps do not illuminate with a door open	Refer to the Diagnostic Routine	GO to Pinpoint Test A .
The courtesy lamps do not illuminate from the instrument panel dimmer switch	Refer to the Diagnostic Routine	GO to Pinpoint Test B .
One or more interior courtesy lamp is inoperative	Refer to the Diagnostic Routine	GO to Pinpoint Test C .
One or more puddle or scuff plate lamps are inoperative	Refer to the Diagnostic Routine	GO to Pinpoint Test D .
The luggage compartment lamp is inoperative/always on	Refer to the Diagnostic Routine	GO to Pinpoint Test E .
All the courtesy lamps stay on continuously	Refer to the Diagnostic Routine	GO to Pinpoint Test F .
The puddle and scuff plate lamps stay on continuously	Refer to the Diagnostic Routine	GO to Pinpoint Test G .
The interior courtesy lamps stay on continuously	Refer to the Diagnostic Routine	GO to Pinpoint Test H .
All the demand lamps are inoperative	Refer to the Diagnostic Routine	GO to Pinpoint Test I .
An individual demand lamp is inoperative	Refer to the Diagnostic Routine	GO to Pinpoint Test J .
The battery saver does not deactivate after time-out	Refer to the Diagnostic Routine	GO to Pinpoint Test K .
One or more of the ambient lighting LEDs are inoperative	Refer to the Diagnostic Routine	GO to Pinpoint Test L .
One or more of the ambient lighting LEDs do not cycle through all color combinations	Refer to the Diagnostic Routine	GO to Pinpoint Test M .