Trailer Module (TRM) DTC Chart

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Service Information for information regarding Ford-specific diagnostic practices.

DTC	Description	Action
B10E8:4B	Secondary Battery Relay "A": Over Temperature	GO to Pinpoint Test AK .
B1D08:11	Left Trailer Direction Indicator: Circuit Short To Ground	GO to Pinpoint Test AH .
B1D08:12	Left Trailer Direction Indicator: Circuit Short To Battery	GO to Pinpoint Test AH .
B1D09:11	Right Trailer Direction Indicator: Circuit Short To Ground	GO to Pinpoint Test AH .
B1D09:12	Right Trailer Direction Indicator: Circuit Short To Battery	GO to Pinpoint Test AH .
U0140:00	Lost Communication With Body Control Module: No Sub Type Information	GO to Pinpoint Test AL .
U1000:00	Solid State Driver Protection Actived-Driver Disabled: No Sub Type Information	The module has temporarily disabled an output because an excessive current draw exists (such as a short to ground). The Trailer Module (TRM) cannot enable the output until the cause of the short is corrected. ADDRESS all other DTCs first. After the cause of the concern is corrected, CLEAR the DTCs. REPEAT the self-test.
U2100:00	Initial Configuration Not Complete: No Sub Type Information	CHECK the vehicle service history for recent service actions related to this module. This DTC sets due to incomplete or incorrect PMI procedures. If there have been recent service actions with this module, REPEAT the PMI procedure as directed by the diagnostic scan tool. REFER to Module Configuration . If there have been no recent service actions, INSTALL a new TRM to correct the failure to retain configuration data.
U3000:49	Control Module: Internal Electronic Failure	The module has permanently disabled an output because an excessive current draw fault (such as a short to ground) has exceeded the limits that the Trailer Module (TRM) can withstand. The cause of the excessive current draw MUST be corrected before a new Trailer Module (TRM) is installed. ADDRESS all other DTCs first. After the cause of the concern is corrected, INSTALL a new Trailer Module (TRM).