Normal Operation
WARNING: This page is about a different car, the 2012 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
- DTC U0100 (Lost Communication With ECM/PCM) - this DTC sets in continuous memory if the brake pedal position switch, and traction control messages that should be received from the ECM/PCM are missing for 5 seconds or longer.
This pinpoint test is intended to diagnose the following:
- PCM
- ABS module