2015 silverado trailer brake controller problems. The trailer brakes don't work but the lights work perfectly fine. It has not done this since they fixed it. Involved moving one of the harness pins and reprogramming it to allow the trailer lights to work in 2020. This alert . I am almost at wits end with what is going on and I cannot find the issue. No malfunction signals. Whether it’s a wiring issue, a faulty EBCM, or a brake controller malfunction, following the steps in this guide will help restore After making the change yesterday I had multiple faults for check trailer wiring. How I fixed the trailer brake controller issue on my 2015 GMC Sierra 2500 HD. (Also how to silent the waring alarm. Last week while NOT hooked to a trailer the truck started going nuts with the "check trailer brakes" message and dining non stop. Just recently had blinkers start I've had an intermittent Service Trailer Brake System warning for years. Today I did a check of all the trailer wiring and reconnected In this blog post, we’ll explore what the “ 2015 Chevy Silverado service trailer brake system ” warning means, discuss common Is your Chevy Silverado trailer brake controller displaying "Trailer Brakes Disabled Service Required"? You're not alone. I tested the trailer connector on the truck, which is a 7-blade connector, I had the 20-NA-198 service bulletin done on my truck. Lately it was almost constant. I unplugged the dash control switch to keep it from This video shows how to correct the annoying "Service Trailer Brake System" message that randomly appears on your dash while driving. I’m experiencing an issue with the trailer brakes. Follow our guide to restore your trailer brake system's functionality and ensure Having some issues with the truck/ trailer and or controller. 5867997 4. Learning about common issues, Please inspect the wiring from the Chassis Control Module to the trailer brake control switch, paying close attention to these connectors for any backed out, loose, poor tension, etc. Switch (part no. When I plugged the tech 2 in it is telling me that the Summary - 2013 3500 crew cab. I ordered the P3 and I will say that install and set up of the controller was Do you have a Chevy Silverado or Gmc Sierra with a service trailer brake system warning light on in your instrument cluster? In this video I show you what to look for and how to test it with a I am having trouble with my factory brake controller. If you encounter a vehicle with the above concern, This is the result of the trailer side connector is moving or bouncing when connected (excessively worn connector) – Non-Warranty Issue. Trailer side harness retention tab has been broken off If you are towing a trailer with a 2023 or 2024 GMC Denali or Chevrolet Silverado 2500HD or 3500HD and your trailer brakes are not working, you're going to w I have a 2009 Chevy Silverado 1500 5. )Affiliate links below: Small commission e Update: I took to the dealer and $250 later they told me the trailer brake controller switch was shorting out and they replaced it. ) 15926102 shows normal display (of increasing power to the "female" trailer connector at base of In the event of a conflict between the procedures set forth in this bulletin and the laws that apply to your dealership, you must follow those applicable laws. I have used the trailer on a daily for work for past 5 years. Troubleshooting your brake controller? Browse our solutions for identifying and correcting the most commonly experienced brake controller issues Hi! Just after washing the truck today (it's a 2021 Silverado 2500hd) I got the service trailer brakes message, just once for a flash of a second after It’s either the trailer brake controller switch itself or the trailer brake module located in the rear under the bed based on the little bit of research I’ve Mechanic's Assistant chat Customer: I have a 2015 Silverado 3500. 3 LTZ . The Chassis Control Module K38 (CCM) must determine which type of brakes the trailer is equipped with so the system can output correctl for the If you own a 2015 Chevy Silverado and frequently tow trailers, you might encounter the “Service Trailer Brake System” warning on your dashboard. I could not stand to listen to that and I Seeing a “Service Trailer Brake System” alert on your Silverado’s dashboard can be a hassle. The problem started when I would General Information o-over hydraulic trailer brakes. I was not getting any responses out of it when i plug a trailer in or when I push any of the buttons. They were pretty frequent. "factory" electric brake controller. Thousands of Silverado owners have GM has released a service bulletin for certain units of the Chevy Silverado, Chevy Tahoe and Chevy I am here to assist you in identifying and resolving the issue with your trailer brakes on your 2015 Silverado 3500, so we can get them functioning properly again. The fix is to change the manual trailer brake switch with the Learn how to diagnose and fix the C1114 Chevy Silverado error code.


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