Pinpoint Test Aa : The Head Up Display (HUD) 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.

Normal Operation and Fault Conditions

The HUD module communicates with the diagnostic scan tool through the HS-CAN2.

Possible Sources

Fuse
Wiring, terminals and connector
HUD module

Visual Inspection and Diagnostic Pre-checks

For vehicles without stop/start, verify BJB fuse 42 (10A) is OK. For vehicles with stop/start, verify high current BJB fuse 9 (50A).