Pinpoint Test U : U0140:00: Notes
WARNING: This page is about a different car, the 2016 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Overview
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0140:00 | Lost Communication With Body Control Module: No Sub-Type Information | This CMDTC sets in the HVAC control module if data messages received from the BCM over the HS-CAN are missing for 5 seconds or more. For a complete list of all network messages, refer to COMMUNICATIONS NETWORK . |
Possible Sources
- BCM
- HVAC control module
Visual Inspection and Diagnostic Pre-checks
- Inspect loose or corroded PCM and A/C compressor connections.