Normal Operation
WARNING: This page is about a different car, the 2012 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
- DTC U0100:00 (Lost Communication With ECM/PCM "A": No Sub Type Information) - 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:
- Wiring, terminals or connectors
- PCM
- ABS module