Pinpoint Test AE : The Headlamp Control Module (HCM) Does Not Respond To The Diagnostic Scan Tool: Notes
WARNING: This page is about a different car, the 2015 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
The Headlamp Control Module (HCM) Does Not Respond To The Diagnostic Scan Tool
Refer to Wiring Diagrams MODULE COMMUNICATIONS NETWORK for schematic and connector information.
Refer to Wiring Diagrams HEADLAMPS/AUTOLAMPS for schematic and connector information.
Normal Operation and Fault Conditions
The Headlamp Control Module (HCM) communicates on the HS-CAN1.
Visual Inspection and Diagnostic Pre-checks
Verify BCM fuse 20 (5A) is OK.