Pinpoint Test I : DTC (Diagnostic Trouble Code) U0100:00, DTC (Diagnostic Trouble Code) U0101:00: Notes
WARNING: This page is about a different car, the 2018 Ford Escape. 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. The TCM is contained inside the PCM and cannot be serviced separately.
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 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. |
| U0101:00 | Lost Communication with TCM: No Sub Type Information |
Possible Causes
- Communication network concern
- SODR concern
- SODL concern
- BCM concern
- PCM