Pinpoint Test Q : The Transmission Control Module (TCM) 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.
Refer to MODULE COMMUNICATIONS NETWORK for schematic and connector information.
Refer to TRANSMISSION CONTROLS for schematic and connector information.
Normal Operation and Fault Conditions
The TCM communicates with the scan tool through the Electric Vehicle (EV) High Speed Controller Area Network (HS-CAN).
Possible Sources
- Fuse
- Wiring, terminals and connector
- TCM
Visual Inspection and Diagnostic Pre-checks
Verify Battery Junction Box (BJB) fuse 30 (5A) is OK.