Pinpoint Test G : DTC (Diagnostic Trouble Code) U0101:00 - 2.7L, 3.3L And 5.0L: Notes
WARNING: This page is about a different car, the 2020 Ford F-150. 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 IPMA communicates with the TCM on the HS-CAN1 through the GWM.
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0101:00 | Lost Communication with TCM: No Sub Type Information | A continuous memory DTC that sets in the IPMA if messages received from the TCM (integral to the PCM) over the HS-CAN1 through the GWM are missing for 0.5 seconds or more. |
Possible Causes
- Communication network concern
- TCM (integral to the PCM)
- GWM concern
- IPMA concern