Pinpoint Test L : DTC U0140: Notes
DTC U0140
Refer to Module Communications Network for schematic and connector information.
Normal Operation and Fault Conditions
The BCM, GSM and TRCM use information contained in messages on the HS-CAN.
NOTE:
If a GSM self-test is to be performed, make sure the drivers door is closed and locked.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0140 | Lost Communication With Body Control Module | This DTC sets if the TRCM and/or the GSM does not receive some or all of an expected message from the BCM. |
Possible Sources
- Connectors damaged or pushed-out terminals, circuitry open, shorted to power or shorted to ground
- High Current BJB Mega Fuse-fuse 2 (125A)
- BCM