DTC P0309 Lincoln
Lost Communication With Auto Highbeam Headlamp Control Module
Lost Communication With Auto Highbeam Headlamp Control Module
Description
The Body Control Module (BCM) does not receive LIN Bus messages from the Auto High Beam Module (AHBM) for greater than 110 milliseconds.
Cause and Solution
RUN RELAY CONTROL CIRCUIT OPEN OR SHORTED TO GROUNDGROUND CIRCUIT OPENLIN BUS CIRCUIT OPENAUTO HIGH BEAM MODULE (INSIDE REARVIEW MIRROR)
Video Guide
Diagnostic Info
- DTC Code: P0309
- Brand: Lincoln