Pinpoint Test AE : The HCM (Headlamp Control Module) Does Not Respond To The Diagnostic Scan Tool: Notes
WARNING: This page is about a different car, the 2018 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Module Communications Network for schematic and connector information.
Refer to Headlamps/Autolamps for schematic and connector information.
Normal Operation and Fault Conditions
The HCM communicates on the HS-CAN1.
Visual Inspection and Diagnostic Pre-checks
Verify BCM fuse 20 (5A) is OK.