Pinpoint Test M : U0140: Notes
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Normal Operation and Fault Conditions
The LTM and the BCM communicate using the MS-CAN. Messages are exchanged between the modules on the MS-CAN for the purposes of determining what functions are being carried out.
LTM DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0140 | Lost Communication With Body Control Module (GEM) | Sets by the LTM if data messages received from the BCM over the MS-CAN are missing. |
Possible Causes
- Network communication concern
- LTM
- BCM