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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 656 (Auxiliary Brake System) >> Description And Operation >> Auxiliary Brake System - Vehicles With: Trailer Brake Control - System Operation and Component Description >> Component Description

Component Description

WARNING: This page is about a different car, the 2015 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

TBM 

The TBM is the electronic control unit for the trailer brake system. The TBM monitors all sensor inputs and all HS-CAN messages relating to trailer braking and directly controls the trailer brakes using a PWM signal. Vehicle configuration information is sent to a new TBM from the BCM when the ignition is set to ON.