GM Genuine Parts 84108373 Black Trailer Brake Control Switch Assembly

$ 43.51

Score By Feature

Based on 529 ratings

Easy to install

9.38

Value for money

9.28

OveReview Final Score

How Our Score Is Calculated

Product Description

By entering your model number, you can make sure that this fits.

Replacement part for the original factory component in your GM vehicle, as recommended by GM.

Quality, dependability, and durability are all hallmarks of GM OE products.

Fit, form, and function are all met to GM Original Equipment standards.

Designed in China

ABS plastic is used to make the brake controller.

Questions & Answers

What else would I need to install a brake controler on a 2019 Chevrolet Silverado 1500 Z71? Is there a wire that connects the console display to the console?

I've only swapped out the same switch, but you'll need the main controlling unit in addition to the switch.

Is this part compatible with a 2016 GMC Sierra 2500HD?

It was a perfect fit for our 2015 GMC Sierra Denali 2500HD.

Selected User Reviews For GM Genuine Parts 84108373 Black Trailer Brake Control Switch Assembly

OEM fit

5/5

On my 2014 GMC Sierra, it was a breeze to install. I received a notification about the service trailer brakes. I installed it almost six months ago, and no more annoying notifications have appeared since then. br>Update—- The year is 2020, and the date is August 9th. There are still no notifications for service trailer brakes. Easy fix.

Jaziel Berg

| Mar 11, 2021

My problem with the "Service Trailer Brake System" was resolved

5/5

After months of getting a "Service Trailer Brake System" warning while driving and taking my truck to the dealer to try to fix the problem (which they couldn't because they couldn't get the error code to trigger), I finally got it fixed. I did some internet and forum research and came across this product, which many people said could be purchased and replaced to solve the problem. AND IT WAS COMPLETELY COMPLETELY COMPLETELY COMPLETE Since replacing it, there have been no problems or warnings. It only took 5 minutes to put it together, thanks to a YouTube tutorial, and it works like new.

Michelle Cooper

| Feb 16, 2021

"Service Trailer Brakes-" is no longer a viable option

5/5

2015 Suburban "DING DING DING" For the past couple of years, my wife's 2015 suburban has displayed an obnoxious "service trailer brakes" message. I took it to the Chevy dealer, but I refused to let them attempt to repair it because the idiots clearly had no idea what was wrong when they began explaining what needed to be done. I replaced the module over the spare tire after some Googling, but it didn't make any difference. While waiting for my wife to exit a store and hearing the error message, I googled again the other day and discovered YouTube videos on how to replace this module. So I went out and bought one, replaced it myself in about 15 minutes, and it fixed the problem. I'm very pleased with this purchase.

Wayne BROOKES

| Aug 17, 2021

My brake dash alarm on my trailer was fixed! My 2014 Chevy Silverado trailer brake switch was a perfect fit

5/5

My original one gave me a lot of trouble with "service trailer brake system," so I quickly replaced it in the dash and haven't had any issues since!.

Alma Donaldson

| Feb 11, 2021

It's brand new! The product has the appearance and functionality of an OEM trailer brake

5/5

My vexing "service trailer brake system" notification is no longer displayed.

Marley Burke

| Dec 04, 2021

"Service Trailer Brake" is a problem that needs to be addressed

5/5

My "Service Trailer Brake" alerts (2015 3500 GMC Duramax) have been resolved.

Olive PARKINSON

| Jan 16, 2021

The problem has not been resolved

5/5

This was said to fix the "service trailer brake" messages in a number of reviews. On mine, it didn't, and I now have no trailer brakes at 36,100 miles (yes, 100 miles past the warranty period). I gave it five stars because it was much less expensive than the Chevy dealer, but it didn't fix my problem. I'm sure GM will issue a recall on this very common problem after I spend more money chasing down parts.

Stephen Herring

| Aug 13, 2021

Service Msg for the 2015 Suburban Trailer has been fixed

5/5

My 2015 Chevy Suburban's display displayed a message about the service trailer system. The truck came equipped with a towing package that included factory towing and trailer controls, which was replaced by this. There will be no more messages!.