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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Diagnostic Information and Procedures >> DTC B3623, B3794, P0564, P0565, P0567, P0568, P056C, P0580, P0581, P0589, P0592, P0593 or P155A-P155C: Steering Wheel Controls Distance Sensing Cruise Control Gap Up/Down Signal >> Circuit/System Description >> Cruise Control Switch Secondary Circuit 2

Cruise Control Switch Secondary Circuit 2

The cruise control secondary switch 2 signal is an input to the body control module (BCM). The BCM monitors the speed increase high and speed decrease high switches via the cruise control secondary switch signal circuit in order to detect when the driver has requested to perform a cruise control function. The BCM detects a specific voltage signal on the cruise control secondary switch signal circuit when a switch is applied. The engine control module (ECM) receives the requested cruise control secondary switch function from the BCM via a serial data message.

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