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Home >> Chevrolet >> 2016 >> Suburban 3500 HD LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 115 (Trailer Brake Control System) >> Diagnostic Information and Procedures >> Trailer Connection Not Recognized >> Circuit/System Description

Circuit/System Description

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Yukon XL, 2015 GMC Yukon, 2015 Chevrolet Tahoe, 2015 Chevrolet Suburban, and 2015 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.

The chassis control module receives inputs from the trailer brake power control module; these inputs are used to determine trailer connection and the amount of voltage supplied to the trailer brakes.

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