Pinpoint Test O : The Body Control Module (BCM) Does Not Respond To The Diagnostic Scan Tool: Notes
WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Wiring Diagram Power Distribution for schematic and connector information.
Refer to Wiring Diagram Module Communications Network for schematic and connector information.
Normal Operation and Fault Conditions
The BCM communicates with the diagnostic scan tool through the HS-CAN1.
Possible Causes
- Fuse
- Wiring, terminals and connector
- BCM
Visual Inspection and Diagnostic Pre-checks
Verify high current BJB Mega fuse (125A) is OK.