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Home >> GMC >> 2016 >> Canyon SL >> Repair and Diagnosis (Single Page) >> Body & Frame >> Towing Systems >> Trailer Brake Control System >> Description and Operation >> Trailer Brake Controls Description and Operation >> Chassis Control Module

Chassis Control Module

The K38 Chassis Control Module (CCM) is a serviceable GMLAN module. The chassis control module sends the low power commanded duty cycle signal to the trailer brake power control module. The trailer brake power control module amplifies the signal and provides an output that is required to drive the trailer brakes.