Pinpoint Test G : DTC (Diagnostic Trouble Code) U0181:00: Notes
Normal Operation and Fault Conditions
The BCM communicates with the Headlamp Control Module (HCM) over the HS-CAN. Refer to: Communications Network - System Operation and Component Description .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0181:00 | Lost Communication With Headlamp Leveling Control Module: No Sub Type Information | A continuous memory DTC that sets in the BCM if messages received from the Headlamp Control Module (HCM) over the HS-CAN are missing. |
Possible Sources
- Communication network concern
- Battery voltage concern
- Headlamp Control Module (HCM)
- BCM