Normal Operation
WARNING: This page is about a different car, the 2014 Ford F-150. 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 in the TCCM if data messages received from the PCM over the HS-CAN are missing for 5 seconds or longer with ignition in RUN and battery voltage in range. For a complete list of all network messages, refer to MODULE COMMUNICATIONS NETWORK .
This pinpoint test is intended to diagnose the following:
- PCM
- TCCM