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Pinpoint Test Ab : The SCMH (Passenger Multi-Contour Seat Module) Does Not Respond To The Diagnostic Scan Tool: Notes

WARNING: This page is about a different car, the 2015 Lincoln MKZ. 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 Memory Seats for schematic and connector information.

Normal Operation and Fault Conditions 

The SCMH communicates on the MS-CAN. Diagnostic messages are sent/received between the DLC and the diagnostic scan tool through the HS-CAN2 circuits at the DLC, and are translated through the GWM to the MS-CAN.

The multi-contour seat relay is integral to the BJB.

Possible Sources 

Visual Inspection and Diagnostic Pre-checks 

Verify BJB fuse 53 (10A) is OK.

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