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Home >> GMC >> 2016 >> Yukon Denali, 4WD >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Trailer Brake Control System >> Diagnostic Information and Procedures >> Trailer Connection Not Recognized >> Repair Instructions
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Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for chassis control module or trailer brake power control module replacement, programming and setup.