Pinpoint Test B : The TCM (Transmission Control Module) 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 Module Communications Network for schematic and connector information.
Refer to Wiring Diagram Transmission Controls for schematic and connector information.
Normal Operation and Fault Conditions
The TCM communicates with the diagnostic scan tool through the HS-CAN1.
Possible Sources
- Fuse
- Wiring, terminals and connectors
- TCM
Visual Inspection and Diagnostic Pre-checks
Verify BJB fuses 14 (15A) and 83 (15A) are OK.