Stop Guessing and Start Towing Safely Again
Seeing the dreaded “Service Trailer Brake System” message on your dash is more than an annoyance—it’s a critical safety warning. When you’re hauling heavy equipment, a boat, or a camper, you need absolute certainty that your trailer brakes will respond instantly and correctly. This Trailer Brake Control Module is the definitive solution for your 2011-2012 GM HD truck or SUV, arriving at your door fully programmed and ready for a straightforward installation.
Common Symptoms & Your Direct-Fit Solution
If you’re experiencing any of the following issues, a failing TBCM is the most likely culprit. This module is engineered to resolve them permanently:
- Persistent “Service Trailer Brake System” warning light
- Trailer brakes failing to engage or engaging erratically
- “Trailer Connected” / “Trailer Disconnected” messages cycling on the display
- Diagnostic Trouble Codes (DTCs) related to the trailer brake control circuit
Don’t waste time and money at the dealership on diagnostics. This Programmed 2011-2012 GM Trailer Brake Control Module is the direct-fit, pre-flashed component you need to restore full functionality and peace of mind.
Features & Benefits
- âś” VIN-Specific Programming: We flash the module with the latest GM software using your vehicle’s VIN. This ensures perfect communication with your truck’s other systems, just like the original part.
- âś” True Plug-and-Play Installation: Because it’s pre-programmed, you can install it yourself and get back on the road. No expensive trip to the dealership for programming is required.
- âś” Restored Towing Safety: Regain precise, reliable control over your trailer’s brakes for safer stops and better handling under load.
- âś” Eliminate Annoying Warnings: Clear the dash warnings and error messages for good.
- âś” Direct-Fit Guarantee: Designed to mount in the factory location (LH frame rail) and connect to the original wiring harness without any modifications.
- âś” Peace of Mind Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Importance of VIN Programming
From a technician’s perspective, one of the biggest headaches with modern vehicle electronics is component programming. A Trailer Brake Control Module isn’t a simple relay; it’s a computer that has to talk to your truck’s main ECU, ABS module, and body control module. Simply installing a used or new-out-of-the-box module won’t work—the truck won’t recognize it. Our service handles the most difficult part for you. By programming the module to your specific VIN before we ship, we transform a complex, dealer-only repair into a simple bolt-in job you can do in your own driveway. This saves you hundreds in potential labor costs and days of vehicle downtime.
Take control of your repair and your safety. By ordering this Programmed 2011-2012 GM Trailer Brake Control Module, you’re not just buying a part; you’re buying a complete, ready-to-install solution that gets the job done right the first time.
Frequently Asked Questions
Do I need to take this part to a dealer for installation or programming?
Absolutely not. The main benefit of our service is that we program the module to your vehicle’s specific VIN before it ships. This makes it a true plug-and-play part. All you need to do is install it, and you’re ready to go.
How do I provide my VIN number?
After you complete your purchase, simply send us a message with your 17-digit Vehicle Identification Number (VIN). We cannot ship your part until we receive the VIN, as the programming is a critical step in the process.
Where is this module located on my vehicle?
For Silverado and Sierra pickups, the module is typically located on the driver’s side frame rail, towards the rear of the truck near the spare tire. For Suburban 2500 and Yukon XL 2500 models, it’s usually found on the driver’s side frame rail, around the middle of the vehicle.
What if this doesn’t fix my trailer brake problem?
This module is the most common cause of electronic trailer brake faults on these vehicles. However, if issues persist after installation, you should inspect the 7-pin trailer connector for corrosion or damage, and check the wiring on both the truck and the trailer itself for any breaks or shorts.
Is this a genuine OEM part?
This is a high-quality, direct-replacement part that is functionally identical to the original. We program it using official GM software updates to ensure it performs exactly as intended for your specific truck.