Pinpoint Test B : U0101:87: 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.
Normal Operation and Fault Conditions
REFER to: Communications Network .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0101:87 | Lost Communication with TCM: Missing Message | Sets in the BCM if transmission data messages from the TCM are missing. |
Possible Sources
- Communication network concern
- Battery voltage concern
- TCM
- BCM