Pinpoint Test G : U0100:00: Notes
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
DTC U0100:00, DTC U0101:00
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 GWM. 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 the SODL and SODR when messages received from the PCM over the HS-CAN1 through the GWM are missing for 2 seconds or more. |
| U0101:00 | Lost Communication with TCM: No Sub Type Information |
Possible Causes
- Communication network concern
- GWM concern
- PCM