Pinpoint Test H: DTC (Diagnostic Trouble Code) U0140:00, DTC (Diagnostic Trouble Code) U0140:87: Notes
WARNING: This page is about a different car, the 2023 Lincoln Nautilus. However, it is still accessible from the selected car via links, so may be relevant.
DTC U0140:00, DTC U0140:87
Module Communications Network for schematic and connector information.
Normal Operation and Fault Conditions
The IPMA communicates with the BCM on the HS-CAN1 through the GWM.
Possible Causes
- Communication network concern
- GWM concern
- BCM
- IPMA concern
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0140:00 | Lost Communication With Body Control Module: No Sub Type Information | A continuous memory DTC that sets in the IPMA if messages received from the BCM over the HS-CAN1 through the GWM are missing for 10 seconds or more. |
| U0140:87 | Lost Communication With Body Control Module: Missing Message |