Pre-Programmed 2013-2014 Silverado 3500 Trailer Brake Control Module | 20850923

Tow with Total Peace of Mind

Don’t let a faulty brake controller sideline your work or ruin your trip. This module arrives pre-programmed to your truck’s VIN, ready for immediate installation. Eliminate frustrating dash warnings and restore the critical safety of your trailer braking system. Get the reliable solution you need to tow safely. Order yours today.

$244.95

+11.99 USPS Priority Shipping

Out of stock

SKU: 591-07807-7 Category:
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Restore Critical Towing Safety and Clear Annoying Dash Warnings

Seeing the dreaded “Service Trailer Brake System” message on your dash? You’re not alone. When the trailer brake control module on your GM HD truck fails, it compromises your ability to tow heavy loads safely and leaves you with a persistent, frustrating warning light. This isn’t just an inconvenience; it’s a critical safety issue. This module is the definitive solution, arriving at your door fully programmed to your truck’s specific VIN, ensuring a seamless, plug-and-play installation that gets you back on the road with confidence.

Common Symptoms & Your Solution

A failing TBCM can manifest in several ways, all pointing to a need for replacement. If you’re experiencing any of the following, this pre-programmed module is the fix you need:

  • Persistent “Service Trailer Brake System” message on the Driver Information Center (DIC).
  • “Check Trailer Wiring” message even with a known good trailer.
  • No output or intermittent output to the trailer’s electric brakes.
  • Diagnostic Trouble Codes (DTCs) such as C1512, C1522, or other related trailer brake circuit faults.

Don’t waste time and money at the dealership. Our solution restores full functionality by providing a reliable, direct-fit 2013-2014 Silverado 3500 trailer brake control module that is ready to install right out of the box.

Features & Tangible Benefits

  • ✔ Programmed to Your VIN: We flash the module with the latest GM software using your vehicle’s VIN before it ships. This eliminates the need for expensive dealer programming and ensures 100% compatibility.
  • ✔ True Plug-and-Play Installation: Simply locate your old module on the frame rail, disconnect it, and plug this one in. It’s a straightforward repair that restores your system immediately.
  • ✔ Restored Towing Confidence: Regain complete and reliable control over your trailer’s brakes, ensuring the safety of your load, your vehicle, and everyone on the road around you.
  • ✔ Eliminate Dash Clutter: Permanently clear the service warnings from your instrument cluster, restoring your dash to its normal, error-free state.
  • ✔ Direct-Fit OEM Compatibility: Engineered to be a perfect replacement for original part numbers 20850923 and 20964299, guaranteeing a perfect fit and function.
  • ✔ This unit is backed by our one-year replacement warranty.

An Expert’s Insight on TBCM Failure

As a technician, I’ve replaced hundreds of these modules. Their location on the driver-side frame rail makes them highly susceptible to the worst road conditions—water, mud, road salt, and debris. Over time, moisture inevitably finds its way into the housing or connectors, corroding the sensitive electronics inside. This is the number one cause of failure. By choosing a pre-programmed 2013-2014 Silverado 3500 trailer brake control module, you’re not just replacing a part; you’re bypassing the biggest hassle: the dealership. A dealer visit for programming alone can cost you significant time and money. This solution puts the power back in your hands, providing a faster, more cost-effective path to a safe and reliable repair.

Frequently Asked Questions

How does the VIN programming process work?

After you place your order, you will need to provide us with your vehicle’s 17-digit VIN. Our technicians use this number to load the correct, vehicle-specific software and calibrations from GM onto the module before we ship it to you. This makes it ready for immediate installation.

Is this a true plug-and-play installation?

Yes. Because we program the module to your VIN beforehand, no further steps are required after installation. Simply disconnect the old module and connect the new one. The “Service Trailer Brake System” message should clear, and your system will be fully operational.

Will this definitely fix the “Service Trailer Brake System” message?

In the vast majority of cases, this message is caused by a failed TBCM. This module is the direct solution for that failure. While other issues like wiring problems can cause similar warnings, a faulty module is the most common culprit for the 2013-2014 GM HD truck platform.

Where is this module located on my truck?

On most Silverado and Sierra pickups, the TBCM is mounted to the inside of the frame rail on the driver’s side, roughly below the driver’s door. On Suburban 2500 and Yukon XL 2500 models, it’s typically located on the driver’s side frame rail, near the middle of the vehicle. Always confirm the location on your specific vehicle before starting the repair.

What happens if I install a module that isn’t programmed?

An unprogrammed module will not communicate correctly with your truck’s other computer systems. It will not function, and you will likely still have error messages on your dash. Our pre-programming service is essential for a successful repair.

By purchasing this 2013-2014 Silverado 3500 trailer brake control module, you are choosing a reliable, hassle-free solution to a critical safety problem. Order today and tow with the confidence and peace of mind you deserve.

MPN

20850923

Year
Genuine OEM

Yes

Interchange part number

Condition

Seller refurbished

Model

Silverado 3500

Make

Year

2013 – 2014

Brand

GM

Manufacturer Part Number

,

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