Pinpoint Test D : U0140:00 - ACCM (Air Conditioning Control Module): Notes
Refer to Automatic Climate Control System for schematic and connector information.
Normal Operation and Fault Conditions
Control System Logic REFER to: Climate Control System - System Operation and Component Description .
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 ACCM if data messages received from the BCM over the High Speed Controller Area Network (HS-CAN) are missing for 5 seconds or more. |
Possible Sources
- Wiring, terminals or connectors
- BCM
- ACCM (part of A/C electric compressor).