Normal Operation

WARNING: This page is about a different car, the 2014 Lincoln MKX and 2014 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

The Liftgate/Trunk Module (LTM) monitors the sector gear switches to determine the position of the sector gear inside the liftgate latch during cinching and releasing.

DTC B117C (Latch Centering Switch Invalid) - an on-demand DTC that sets when the LTM detects the sector gear open/close switch(es) are not in the correct state at the beginning of self-test, or no sector gear switch transition during releasing/cinching.

This pinpoint test is intended to diagnose the following:

Wiring, terminals or connectors
Power liftgate latch
LTM