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Home >> GMC >> 2017 >> Yukon SLE, RWD, Gas/Ethanol >> Repair and Diagnosis >> Body & Frame >> Towing Systems >> Trailer Brake Control System >> Description and Operation >> Trailer Brake Controls Description and Operation >> Trailer Brake Power Control Module
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Trailer Brake Power Control Module

The K133 Trailer Brake Power Control Module (TBPM) is a solid state power switching module that supplies power to the trailer brakes at the input command duty cycle. Diagnostic messages are sent from the TBPM to the CCM on a dedicated LIN bus.

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