Pinpoint Test AF : The Gateway Module (GWM) Does Not Respond To The Diagnostic Scan Tool: Notes
WARNING: This page is about a different car, the 2015 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
The Gateway Module (GWM) Does Not Respond To The Diagnostic Scan Tool
Refer to Wiring Diagrams MODULE COMMUNICATIONS NETWORK for schematic and connector information.
Normal Operation and Fault Conditions
The GWM communicates with the diagnostic scan tool through the HS-CAN1 and HS-CAN2. The GWM operates as a gateway for communication between the modules on HS-CAN1, HS-CAN2, HS-CAN3 and MS-CAN.
Visual Inspection and Diagnostic Pre-checks
Verify BCM fuses 13 (7.5A) and 15 (10A) are OK.