Pinpoint Test B : DTC (Diagnostic Trouble Code) U0100:00: Notes
WARNING: This page is about a different car, the 2015 Ford C-Max. However, it is still accessible from the selected car via links, so may be relevant.
Normal Operation and Fault Conditions
The BCM communicates with the PCM through the GWM. REFER to: Communications Network - System Operation and Component Description .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0100:00 | Lost Communication With ECM/PCM "A": No Sub Type Information | A continuous memory DTC that sets in the BCM if powertrain data messages received from the PCM over the HEV HS-CAN through the GWM are missing. |
Possible Sources
- Communication network concern
- GWM concern
- PCM
- BCM