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Home >> GMC >> 2018 >> Canyon SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 61 (Trailer Brake Control System) >> Description and Operation >> Trailer Brake Controls Description and Operation >> Chassis Control Module-Auxiliary
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Chassis Control Module-Auxiliary

WARNING: This page is about a different car, the 2017 GMC Canyon and 2017 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

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.

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