Pinpoint Test D : U0140:00 - ACCM (Air Conditioning Control Module): Notes
WARNING: This page is about a different car, the 2015 Ford C-Max. However, it is still accessible from the selected car via links, so may be relevant.
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).