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Home >> Cadillac >> 2011 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1328 (Antilock Brake System - Non-Hybrid Greater Than/Equal To 3900 Kg (8600 Lb) GVW) >> Diagnostic Information and Procedures >> DTC C0131 (Without JL4) >> Circuit/System Description (Without JL4)

Circuit/System Description (Without JL4)

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The electronic brake control module (EBCM) monitors the brake pressure sensor. The information the EBCM receives from the brake pressure sensor is sent through serial data circuits to the trailer brake control module (TBCM). The TBCM uses this information to perform trailer brake functions. The brake pressure sensor is mounted to the master cylinder.