Pinpoint Test F : DTC (Diagnostic Trouble Code) U0101:00: Notes
WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Wiring Diagram Module Communications Network for schematic and connector information.
Normal Operation and Fault Conditions
The IPMA communicates with the TCM through the HS-CAN2, GWM and HS-CAN1.
| 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 are missing. |
Possible Causes
- Communication network concern
- TCM (integral to the PCM)
- GWM concern
- IPMA concern