Pinpoint Test I: DTC (Diagnostic Trouble Code) U0140:00: Notes
Refer to MODULE COMMUNICATIONS NETWORK for schematic and connector information.
Normal Operation and Fault Conditions
The PAM is integral to the BCM, but the modules communicate as separate nodes on the HS-CAN1.
DTC Fault Trigger Conditions
| 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 PAM when the PAM is unable to communicate with the BCM for 5 seconds or more. |
Possible Sources
- Communication network concern
- BCM
- PAM (integral to the BCM)