F 150 2WD V8-5.4L Flex Fuel (2008)
E3-E4
Test F: The Driver Seat Module (DSM) Does Not Respond To The Scan Tool
PINPOINT TEST F: THE DRIVER SEAT MODULE (DSM) DOES NOT RESPOND TO THE SCAN TOOL
Normal Operation
The DSM communicates with the scan tool through the UBP communication network. Circuit 1906 (VT) provides the network connection to the
DSM. The DSM shares the UBP network with the heating ventilation air conditioning (HVAC) module (if equipped), the vehicle security module
(VSM) (if equipped), and the instrument cluster (IC). Voltage for the DSM is provided by circuits 566 (DG) and 956 (OG/LG). Circuits 57 (BK) and
875 (BK/LB) provide ground.
This pinpoint is intended to diagnose the following:
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Fuses
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Wiring, terminals or connectors
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DSM
