Pinpoint Test M : DTC: U0140: 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: U0140
Refer to Module Communications Network for schematic and connector information.
Normal Operation and Fault Conditions
The DSM and the BCM communicate using the MS-CAN.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0140 | Lost Communication With Body Control Module (GEM) | Set by the DSM whenever it has lost communication to the BCM for 15 seconds or longer while DSM input voltage is between 10 and 15 volts. |
Possible Causes
- Module communication
- DSM
- BCM