Pinpoint Test G : DTC (Diagnostic Trouble Code) U0100:00: Notes
WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Module Communications Network for schematic and connector information.
Normal Operation and Fault Conditions
The SODL and SODR communicate with the PCM through the BCM.
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 SODL and SODR when messages received from the PCM over the HS-CAN through the BCM are missing for 2 seconds or more. |
Possible Causes
- Communication network concern
- BCM concern
- PCM concern
- PCM