Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1653 (TRAILER BRAKE CONTROL SYSTEM)REPAIR INSTRUCTIONSTRAILER BRAKE CONTROL MODULE REPLACEMENT (1500)REMOVAL PROCEDURE

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Removal Procedure

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Removal Procedure

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.

Turn the ignition switch to the OFF position.

NOTE: Do not remove the spare wheel hoist.

Remove the spare tire and wheel assembly. Refer to Spare Wheel Hoist Replacement .

Fig 1: Identifying Trailer Brake Control Module & Mounting Bolts

Courtesy of GENERAL MOTORS CORP.

Disconnect the trailer brake control module electrical connector.

NOTE: It is not necessary to completely remove the bolts.

Reach above the trailer brake control module and relay bracket and loosen, but do not remove, the trailer brake control module bolts (1).

Fig 2: Locating Trailer Brake Control Module

Courtesy of GENERAL MOTORS CORP.

Slide the trailer brake control module (1) toward the center of the vehicle and remove the trailer brake control module.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.