Pinpoint Test BC : The Trailer Lighting Display Is Inoperative: Notes
WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
Normal Operation and Fault Conditions
See Trailer Lighting Display. Refer to: Message Center - System Operation and Component Description .
If the parklamp status, trailer lamp connected, trailer turn indicator status or trailer lamp out messages are missing for less than 5 seconds, the IPC defaults the display to the last displayed state based upon the last message received.
If the parklamp status, trailer lamp connected, trailer turn indicator status or trailer lamp out messages are missing for 5 seconds or longer, the IPC sets a DTC for the module in question and defaults the associated display element off or blank.
Possible Sources
- Communication concern
- BCM concern
- GWM concern
- TRM concern
- IPC