Pinpoint Test I : DTC U0140:00: 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 Four Wheel Drive Systems for schematic and connector information.
Normal Operation and Fault Conditions
DTC Fault Trigger Conditions.
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0140 | Lost Communication With Body Control Module (BCM): No Sub Type Information | Sets in continuous memory in the DCMR if data messages received from the BCM through the GWM are missing for longer than 5 seconds. |
Possible Sources
- Communication concern
- GWM concern
- BCM module
- DCMR