U0140:00 - Heating, Ventilation, and Air Conditioning (HVAC) Control Module: Notes
WARNING: This page is about a different variant/trim than selected.
Refer to AUTOMATIC CLIMATE CONTROL SYSTEM for schematic and connector information.
DTC FAULT TRIGGER CONDITIONS
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0140:00 | Lost Communication With Body Control Module: No Sub-Type Information | This Continuous Memory Diagnostic Trouble Code (CMDTC) sets in the Heating, Ventilation, and Air Conditioning (HVAC) control module if data messages received from the Body Control Module (BCM) over the Medium Speed Controller Area Network (MS-CAN) are missing for 5 seconds or more. |