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Home >> Chevrolet >> 2013 >> Silverado 1500 XFE >> Repair and Diagnosis >> External Pages >> Different car >> Section 2859 (Trailer Brake Control System) >> Description and Operation >> Trailer Brake Controls Description and Operation >> Chassis Control Module-Auxiliary

Chassis Control Module-Auxiliary

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The K38A Chassis Control Module-Auxiliary 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.