Pinpoint Test I : The BCM (Body Control Module) Does Not Respond To The Scan Tool: Notes
WARNING: This page is about a different car, the 2015 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
The BCM Does Not Respond To The Scan Tool
Diagnostic Overview
Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods
Refer to Wiring Diagrams POWER DISTRIBUTION SYSTEM for schematic and connector information.
Refer to Wiring Diagrams MODULE COMMUNICATIONS NETWORK for schematic and connector information.
Normal Operation and Fault Conditions
The BCM communicates with the scan tool through the HS-CAN and communicates with the other modules through the MS-CAN.
Possible Causes
- Fuse
- Wiring, terminals and connector
- BCM
Visual Inspection and Diagnostic Pre-checks
Verify BJB MEGA fuses 4 (50A) and 9 (50A) are OK.