Service trailer brake system chevy silverado

The "Service Trailer Brake System" indicates a fault code in the TBCM (Trailer Brake Control Module) You need a compatible scan tool to read the Codes from the TBCM a generic code reader won't do this. The most common failure is the Trailer Brake Relay. Click below for location of relay and tech report and confirmed repairs

#1 · Feb 21, 2017. Been getting a random "service trailer brake system" warning while driving with no trailer. With trailer I get that code every time I start, and must dismiss it. …Service Trailer Brake Warning On. I just bought a 2008 GMC Sierra HD 4X4 with a 6.0 Gasser in it. The Service Trailer Brake Warning Text is on the dash and also the BRAKE light is on as well. I don't know much about these towing systems so just wandering where to start possibly. The truck was used as a work truck for a company before I bought it.#3 · Jun 22, 2019. Is the ABS light on your dash lit up? If so, fix your abs problem first and your SERVICE TRAILER BRAKE SYSTEM message will go away. Likely, if this message is displayed, you will have NO TRAILER BRAKING, but not a lockup of trailer brakes. A common cause of this (among many, many causes) that that the trailer brake relay is bad.In this video I have a look at a 2011 Chevy 2500HD that has a message coming across the dash that says "Service Trailer Brake System" and I find it has a cod...Brake system gm brakes silverado. Service trailer brake systemHow to replace rear brakes 2001-10 gmc sierra 2500hd Brake trailer service system silveradoService brake system message. 2007 gmc sierra 1500 brake repairGmc sierra hd using the trailer brake controller 2005 gmc sierra service brake system message. 2012 Gmc Sierra Trailer Wiring DiagramThe evening of Jan 17 my SUV was slow to start. Later required a jump start at grocery. The "Service Trailer Brake System" displayed, as well as other messages after being jumped. I clicked dismiss of the messages one by one. The morning of Jan 18 my SUV started as normal, but I still had both the battery and alternator tested at two different ...Aftermarket Brake Control Wiring For 07 13 Gm Full Size Truck With Factory Integrated Etrailer Com. Service Trailer Brake System Chevy Silverado And Gmc Sierra Forum. 99 02 Chevy Silverado Gmc Sierra Yukon Suburban Escalade. Custom Wiring Harness 4 Way Flat Output Sku 55326 For 29 89 By Curt Manufacturing. Trailer Wiring Diagrams Etrailer Com.The most common reason you might see a service trailer brake system message on your dashboard is due to a blown fuse, a bad brake light switch, or a bad …

I'm having the same issues on my 2014 Silverado 1500. The service trailer brake system comes up on the DIC and goes away, and comes on, then goes away. There are days that it doesn't come on, which makes me think something is loose. But I cannot find it. Taken to dealer once, have another apt next week. last time dealer could not duplicate the ...The 2015 Chevy Silverado 1500 is a dependable and powerful truck that can handle all your needs. Whether you’re hauling heavy loads, towing a trailer, or just running errands aroun...GM Part #: 84108373The notorious Service Trailer Brake System message was popping up on my 2016 Chevy Silverado. Wanted to make this video to show the before...If you’re looking into buying a dependable new or used truck, you’ve likely come across the 2020 Chevy Silverado in your search. The Silverado is consistently one of the most popul...Best 2011 Chevrolet Silverado Trailer Brake Controller Options review and installation instructions. Speaker 1: Today we're going to be taking a look at the best brake controllers available for the 2011 Chevrolet Silverado 1500, 2500, and 3500. Now these brake controllers have been chosen for a few different reasons. Ease of use is the most important.The 2019 Silverado will be available with Chevy's new Advanced Trailering System. Chevrolet. Once you're backed up into perfect alignment with your trailer, the last thing you want is to put your ...A service trailer brake system warning message means that your truck is equipped with a wiring harness or integrated trailer brake control (ITBC) system that can control trailer brakes, and there is a problem somewhere in those components. There can be multiple reasons for a "service trailer brake system" message or warning light, and we ...

Duramax Service Trailer Brake System. This system is designed to detect problems with different components associated with your trailer brakes. These components can be the brake controller, trailer wiring, or the power input to the controller. Once detected, the system then is supposed to generate codes to help pinpoint the exact …The best trailer brake controllers for your 2023 Chevrolet Silverado 1500 at a great price. Thousands of Silverado 1500 trailer brake controller reviews from Silverado 1500 owners like you. Complete expert reviews and recommendations, demonstrations, testing help make sure you get the right trailer brake controller the first time. Expert …By Peter Sessler - June 3, 2015. This article applies to the Chevrolet Silverado 1500 (2014-present). There are two kinds of recalls that can affect your Chevrolet Silverado 1500. The first type covers a safety-related defect that is determined by the National Highway Traffic Safety Administration (NHTSA). This is known as a Mandatory Recall.25 posts · Joined 2023. #1 · May 25, 2023. Hey all just purchased a 2010 GMC Sierra 1500 SLT All Terrain. Has all the extra towing capabilities with the integrated trailer brake controller. So driving it home yesterday and the Service Trailer Brake System message came on. There is power to the trailer wire plug in.service trailer brake system. Jump to Latest Follow 2K views 4 replies 3 participants last post by Welcher774 Feb 7, 2018. H ...Well, my first shot would be to replace the brake switch which is a common source of failure for our trucks. Use only an AC-Delco switch. It might fix both problems, just one or none, but it is a cheap and easy fix. 2013 Silverado 1500 LT, Z71, 5.3L, 6L80e, 4X4, HD Towing pkg. If you can't fix it with a hammer, it is an electrical problem.

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Also, if you have a 5th wheel plug, carefully check it for shorts. Same with the blunt-cut camper wiring at the front of the bed. 3-Now offcourse check all fuses with a test light just to be sure ,inside fuse box and interior fuse box. 4- Cluck on Blue link to view Trailer Connector Diagram.Q&A: Installing Trailer Brake Controller on 2019 Chevy Silverado 1500; Q&A: Can Aftermarket Brake Controller Install in 2023 Chevy Silverado 1500; Q&A: Parts Needed To Install The Draw-Tite Brake Controller On A 2022 Chevrolet Silverado 1500; Shop: Blue Ox SwayPro Weight Distribution w/ Sway Control - Clamp On - 15,000 lbs GTW, 1,500 lbs TWI replaced the master cylinder pressure sensor and still have the "service trailer brake system." I am not showing any codes and C0131 is gone as well. I will put my old ITBC module back on and see if it clears up. ... 2007-2013 Chevrolet Silverado, 2008-2014 Suburban, and Tahoe vehicles; 2008-2013 GMC Sierra and 2009-2012 Yukon vehicles; 2008 ...J. j1mm1sh Discussion starter. 9 posts · Joined 2017. #1 · Feb 21, 2017. Been getting a random "service trailer brake system" warning while driving with no trailer. With trailer I get that code every time I start, and must dismiss it. While towing, it seems as if the brakes are dragging, slowing me down, and killing mileage (7-8 with 1900# v ...Trailer Brake Controller Installation - 2012 Chevrolet Silverado review and installation instructions. Today on our 2012 Chevrolet Silverado we will be installing the Tekonsha P3 trailer brake controller, part number 90195. Now to begin our installation we will need to locate the wiring in the vehicle. It is usually found tied underneath the dash somewhere around the steering column.

Hey everyone.In this video we go through the process of verifying why there is a SERVICE TRAILER BRAKE SYSTEM message on the dash.I hope you enjoy.Pressure A... Continue Researching. Shop: Trailer Wiring; Shop: Brake Controller; Search Results: rm~690; Shop: Redarc Tow-Pro Elite Brake Controller - Dash Knob - 2 Braking Modes - 1 to 3 Axles - Proportional 1301 posts · Joined 2011. #5 · Sep 24, 2011. O.K. First off you will see no power at rear (blue ) trailer brake wire with a test light or hot wire tester on the new IBC system. You need to use a DVOM. Seems like you have a bad ground wire. check this first. 2015 SLT CCSB Summit White on Jet Black sunroof/rear slider/driver alert/ cooled ...Technical Service Bulletins (TSBs) for the 2019 Silverado 2500 are official communications between Chevrolet & their dealerships that describe processes for troubleshooting or fixing certain ...have a 2003 Silverado 1500 with 160000 miles was driving home from work, the service brake system light flashed and the truck died and ideas or suggestions? Save Share. Like. Sort by Oldest first ... Chevy Silverado and GMC Sierra Forum. 1.4M posts 183K members Since 2009 A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup ...See full list on roadsumo.com The 2019 Silverado will be available with Chevy's new Advanced Trailering System. Chevrolet. Once you're backed up into perfect alignment with your trailer, the last thing you want is to put your ...NHTSA Campaign Number: 19V889000. Chevrolet Customer Service: 1-800-222-1020. GMC Customer Service: 1-800-462-8782. Cadillac Customer Service: 1-800-333-4223. NHTSA Toll Free: 1-888-327-4236 ...@ChadG You can disable the message from popping up in your top menu button (Mine on my 2013) only temporarily, but check your fuse first before you replace any other part. Mine was the fuse in fuse box under hood. A 30 amp at front , closest to rad. I did check the relay and no signs of dirt or corrosion. Test 7 way plug and all Ok!

I was towing a trailer going down hill and the trailer brake suddenly failed with the warning "Service Trailer Brake System". I didn't get a chance to troubleshoot much other than the trailer brake fuse which was good. Activating the system manually always shows an output of 0%. A quick search showed that GM has a recall for this for …

Apr 23, 2023 ... Comments6 ; How To Fix Chevy Service Trailer Brake System Warning. Common Problems & Failure Points Explained. Shaners Mechanic Life · 75K views.3241 posts · Joined 2021. #3 · Sep 19, 2023. My thoughts exactly! The scan tool sees vacuum at the booster. 2009 GMC Yukon XL SLT 5.3 K5L - 2012 GMC Sierra SLT 6.2 NHT - 2013 GMC Sierra SLT 6.2 GAT. "Woe unto them that call evil good, and good evil; that put darkness for light, and light for darkness; that put bitter for sweet, and sweet ...Service Trailer Brake Warning On. I just bought a 2008 GMC Sierra HD 4X4 with a 6.0 Gasser in it. The Service Trailer Brake Warning Text is on the dash and also the BRAKE light is on as well. I don't know much about these towing systems so just wandering where to start possibly. The truck was used as a work truck for a company before I bought it.2011 Silverado 2500hd 6.0 "Service trailer brake system" is…. "Service trailer brake system" is flashing across the display on dash. I pulled 3 codes with the snap on. C1116, C1117, and C1118. It has the built in trailer brake controller in the dash from. Factory.2014 silverado "service trailer brake warning" fixed2021 GMC 3500 Trailer Brake Controller. Just drove my 2021 Denali 3500 DRW 250 miles to pick up our new 2021 Alliance Paradigm fifth wheel with the disc brake option. Hooked up and ready to go--no trailer brakes and a "service trailer brakes" message in the DIC. After a few frustrating hours trying to resolve, I did some research and found out ...The message center displays the service traction control system message when any one of many traction control - disabling DTCs is set. The EBCM sends a serial data message to the IPC requesting this display. ABS Description and Operation (With JL4) This vehicle is equipped with a Bosch ABS/EBD/TCS/VSES brake system.Read expert Chevrolet Silverado 1500 brake problem guides, repair how-to's with photos and videos, and brake upgrades to help you maintain your Chevrolet truck. ... How to Install Trailer Brake Controller. Trailer brakes aid your truck's braking system while towing. These brakes increase trailer stability and decrease wear on your truck's ...

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2 Service Brakes problem. Failure Date: 09/14/2023. The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that while driving at approximately 25 mph and traveling down a 5 percent grade hill, the brake pedal depressed to the floorboard on several attempts. The vehicle failed to slow down.2006 Chevy Silverado V8 Four Wheel Drive Automatic 174k miles. the abs brake light is going on and off-mainly on-when its on theres chatter and movement in the petal and you can feel it in the steering wheel when applying the brakes, -note- both front wheel bearing housings have been replaced recently-6months-1 year.11 posts · Joined 2020. #1 · Apr 5, 2020. Looking for someone to shine some light on my service trailer brake system that comes on every time I start my 08 Sierra 1500. Little background info my cruise control wasn't working figured out it was my brake switch so I went to a wrecker grab a used one installed it and it fixed my cruise control ...42 posts · Joined 2018. #1 · Jan 18, 2022. While I have seen similar posts in older model threads, I haven't seen it in the 2020+ threads. I continue to get the Service Trailer Brake System when starting my truck and my trailer brakes obviously do not work. The dealer replaced the power module already, but say they need "DAYS" to …How to replace the Chevy Integrated trailer brake control relay (TBCR) when it's blowing the fuse immediately.New part: https://amzn.to/3tRfRGNBad Trailer Brake Control Switch: The trailer brake controller, often located under the dashboard, might be faulty. This switch allows the driver to control the speed of the towed trailer or vehicle. If it malfunctions, the warning may appear. Damaged or poorly connected wiring can also cause the service trailer brake system message to display@ChadG You can disable the message from popping up in your top menu button (Mine on my 2013) only temporarily, but check your fuse first before you replace any other part. Mine was the fuse in fuse box under hood. A 30 amp at front , closest to rad. I did check the relay and no signs of dirt or corrosion. Test 7 way plug and all Ok! About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... Aug 22, 2021 · Ask Your Own Chevy Question. 1500, haven’t towed in years. Took to my mechanic to get “service Stabilitrack” warning off by replacing steering angle sensor. That warning was solved and this came on afterwards. Chevy Mechanic: Jaybird61. Here is a technical bulletin from GM for this common issue on these trucks. Buy Replacement Trailer Brake Control Switch - Compatible with Chevy and GMC Vehicles - 2014-2020 - Colorado, Silverado 1500, Suburban, Canyon, Tahoe, Sierra 2500, Yukon - Replaces 84108373, 23145874: Brake Controls - Amazon.com FREE DELIVERY possible on eligible purchasesService Brake System No Codes or Speedometer. 2005 GMC Sierra 1500 4WD CrewCab 5.3. After in stalling a Transfer Case Encoder Motor (Successfully), the speedometer jumps around Brake, ABS lights on and DIC says Service Brake System and transmission is all over the place. I checked speed sensor on Transfer Case, seems unharmed. ….

Ron, 2013 chev 2500HD DASH is saying service trailer brake system, every thing works when u hook up a trailer? ... 2007-2013 Chevrolet Silverado, 2008-2014 Suburban, and Tahoe vehicles; 2008-2013 GMC Sierra and 2009-2012 Yukon vehicles; 2008-2009 GMC Canyon vehicles; 2009-2010 HUMMER H2, H3 and H3T vehicles; and 2008-2009 Saturn VUE and 2009 ...The service trailer brake message is coming on when - Answered by a verified Chevy Mechanic ... Chevrolet Silverado 1500 Classic Hybrid: I have a 2013 Chevy. I have a 2013 Chevy 3500 and I pull a trailer with electric over hydraulic brakes, ... The driver information center (DIC) is displaying "Service Trailer Brake System.The Service Trailer Brake System warning, from what I have been able to learn, is associated with the truck, not the trailer. I've got a new Pollak plug with pigtail on the way. 2022 Silverado 3500 with an Arctic Fox and a 2018 Jeep Wrangler JLUR in tow.appears, stop as soon as possible and turn off the. vehicle. Restart the vehicle and check for the message. on the DIC display. If the message is still displayed. or appears again when you begin driving, the brake. system needs service. See your GM dealer. 2006 Chevrolet Silverado 2500HD LT.The best trailer brake controllers for your 2023 Chevrolet Silverado 1500 at a great price. Thousands of Silverado 1500 trailer brake controller reviews from Silverado 1500 owners like you. Complete expert reviews and recommendations, demonstrations, testing help make sure you get the right trailer brake controller the first time. Expert …I replaced the master cylinder pressure sensor and still have the "service trailer brake system." I am not showing any codes and C0131 is gone as well. I will put my old ITBC module back on and see if it clears up. ... 2007-2013 Chevrolet Silverado, 2008-2014 Suburban, and Tahoe vehicles; 2008-2013 GMC Sierra and 2009-2012 Yukon vehicles; 2008 ...Then two days ago the Service Trailer Brake system message popped up on my DIC. It did not come back on when I restarted my truck later. ... 2020 Chevy Silverado 1500 LTZ CCSB LM2 2015 Chevy Silverado 3500HD SRW CCSB 4X4 LTZ Z71 (sold) ... last weekend, I got the "Service Trailer Braking System" with the DING DING DING while I was sitting at a ...2010 Chevrolet Silverado Integrated Trailer Brake Control Technical Service Bulletins. TSB Number: PIT4508C. NHTSA Number: 10112452. TSB Date: October 5, 2012. Date Added to File: August 15, 2017.This Trailer Brake Controller signals to your trailer brake system when to brake and how much pressure to apply while towing. Designed to operate with 2 to 8 brakes (1 to 4 axles), this Brake Controller allows you to control all brakes settings with an easy-to-use push-button rotary knob. Service trailer brake system chevy silverado, @ChadG You can disable the message from popping up in your top menu button (Mine on my 2013) only temporarily, but check your fuse first before you replace any other part. Mine was the fuse in fuse box under hood. A 30 amp at front , closest to rad. I did check the relay and no signs of dirt or corrosion. Test 7 way plug and all Ok!, Flat ground brake test with controller set at 10 manually activated it will slow the rig down but NEVER stop it. My old truck with the P3 controller would smoke the tires during this test. The truck idiling in gear will still overpower the controlled manually applied set on 10. I need to disable it and bypass to install my P3 controller., It's right there in the manual: The Camry may not see pedestrians who are too tall or too short or too close together or those wearing white who "look extremely bright." Automakers..., When LCI’s Sway Command® is functioning on a trailer, the subject GM truck will display “Service Trailer Brake System” in the vehicle message center, the …, 29 Electrical System problem. Failure Date: 04/05/2022. 2015 chevy Silverado 1500 lt/ltz double cab 5. 3 liter v8. Electrical short to power in underhood fuse block part number 84303175. Passenger side brake/tail light stay on constantly even when vehicle is shut off and key is out of ignition. Driver side brake/tail light works fine, customer ..., I also learned that the entire braking system is tied in with the ABS and traction control, Frayed ABS sensor wire or bad connections can also trigger the codes. The brake controller itself is controlled from a switch that senses pressure on the brake line. It's in different locations, so you will have to trace the line to find the switch., After 2 weeks at the dealer, it's fixed. thought I would post what the tech wrote up. U1556 DTC stored in the chassis control module. Found fuse blown, checker trailer brake controller connector for water intrusion and found water had entered connector. Cleaned out connector and replaced fuse. New fuse blew indicating the module has shorted ..., I have a 2016 Silverado showing U1556 code and Service trailer brake No communications with chassis control module I have checked fuses and would like to know if chassis control or trailer brake power module could be in trouble. Answered in 2 minutes by: Chevy Mechanic: TIM MOHR. Category: Chevy. Satisfied Customers: 18,144. Experience: Verified., Colan, I got one last month coming back from Idaho. First time ever. It was tied to the Stabilitrack display / sensor. Dashboard would change from that to "check trailer brakes" even when I disconnected the plug., Ron, 2013 chev 2500HD DASH is saying service trailer brake system, every thing works when u hook up a trailer? ... 2007-2013 Chevrolet Silverado, 2008-2014 Suburban, and Tahoe vehicles; 2008-2013 GMC Sierra and 2009-2012 Yukon vehicles; 2008-2009 GMC Canyon vehicles; 2009-2010 HUMMER H2, H3 and H3T vehicles; and 2008-2009 Saturn VUE and 2009 ..., Feb 14, 2024 · At 19,000 miles I got three warning lights (Brake System Failure would not let me go over 42 MPH, Service ESC, Trailer Brakes Disabled). I took it to the dealership. They have attempted to fix the problem now 5 times. They have replaced the brake module, performed a brake flush, performed software updates and replaced a sensor and wiring harness. , This Chevrolet Silverado has no communication with the Trailer Brake Control Module stored in the ABS controller. Problem is a corroded power feed wire to pi..., The weight of a Chevy Silverado varies based on the model, cab type, bed size and engine type. For example the 2015 Chevy Silverado 1500 with a regular cab and long box weighs 4,68..., Service Trailer Brake System. Jump to Latest Follow ... 2020 Chevy Silverado 2020 LT Texas Edition CCSB, 5.3L, Shadow Gray Traded 2015 Canyon SLT, Copper Red, 2WD, CC, SB, V6, Tow, blk leather, factory spray liner, safety pkg, generic roll up bed cover, Tekonsha P3 Brake Controller, Replaced OEM at 70k with Michelin LTX …, 471. 96K views 4 years ago. Are you getting a Service Trailer Brake System warning on your 14-18’ Silverado or Sierra? I believe this is the fix and here’s exactly what I did., Jun 6, 2021 ... The Service Trailer Brake System message came back after we changed the brake control module in the last video. This time we clean the ..., Service Trailer Brake System. Jump to Latest Follow ... 2020 Chevy Silverado 2020 LT Texas Edition CCSB, 5.3L, Shadow Gray Traded 2015 Canyon SLT, Copper Red, 2WD, CC, SB, V6, Tow, blk leather, factory spray liner, safety pkg, generic roll up bed cover, Tekonsha P3 Brake Controller, Replaced OEM at 70k with Michelin LTX …, 2014 Silverado 2500hd lml. A couple of days ago started displaying "service trailer brake system" on the DIC. When hooked up to a trailer all lights and turn signals work. Just no power to the trailer brakes. I've replaced the trailer brake control relay above the spare tire. I've replaced the 30a stud 2 square fuse (slot 58) as well as the 20a ..., Some customers may comment that when they have a trailer connected to the vehicle, they get a "Check Trailer Wiring" or "Service Trailer Brake System" message on the DIC. DTC C1114 could be set in the Chassis Control Module (CCM). Diagnosing these concerns can be difficult because the issue could either be related to the truck or the trailer., Trailer Brake Service message comes up on my 2017 Silverado 1500.I had it in a repair shop today.Checked fuses, tried a new controller mod and a new in dash controller. Problem not solved. Plug into computer to get codes and get a "not connecting" read. I hooked up to a trailer and the trailer brakes did work., Troubleshooting Service Trailer Brake System on 2012 Silverado. Customer Service My Orders. Towing; Sports & Rec; Trailer; Vehicle; RV & Camper; Marine; Brands; Deals; Customer Service ... Troubleshooting Service Trailer Brake System on 2012 Silverado . Question: My trailer brakes do not work. I get a computer read out when starting the engine ..., Some customers may comment that when they have a trailer connected to the vehicle, they get a "Check Trailer Wiring" or "Service Trailer Brake System" message on the DIC. DTC C1114 could be set in the Chassis Control Module (CCM). Diagnosing these concerns can be difficult because the issue could either be related to the truck or the trailer., 2018 1500 silverado trailer brake service notice. Replaced controller, module and fuse. Still get warning on start up. ... Message on dash SERVICE TRAILER BRAKE SYSTEM. I ordered a new control switch for the dash and module for rear of the truck and the 30A fuse in uner-hood fuse panel. ... I have a 2019 Chevy Silverado 4x4 LTZ. My trailer ..., This should reset the light. 2. Check the service brake fluid level. Another way to reset the light is by checking the brake fluid level and adding more fluid if necessary. To do this, locate the brake fluid reservoir under the hood of the truck and remove the cap. Check the level of the fluid and add more if necessary., January 2018. DRL LED Headlights Bumper Turn Signal Side Marker Lamp For Chevy Silverado 03-06. For 14-18 Chevy Silverado 1500 2500 3500 LED Tail Lights Sequential Turn Signals. For 2003-2004 Chevrolet Silverado 2500 Turn Signal Switch SMP 16979NMFS. 2007-2015 CHEVY SILVERADO 1500 Front Lamp Fog-DrivingLH., If you’re looking into buying a dependable new or used truck, you’ve likely come across the 2020 Chevy Silverado in your search. The Silverado is consistently one of the most popul..., Sounds like you need the abs system reset. I know the ABS and ITBC work together, and most problems are either a shorting wire or abs related. 2008 Silverado K3500HD dually CCLB (LMM) 2005 Silverado K2500HD ECLB LT (LLY) (SOLD) 2003 Silverado 2500HD ECSB 6.0l/4L80e. 2000 Pontiac Grand Am GT. Member #1063 3500 Dually Club:thumb: Like. T., Learn what the service trailer brake system error message means and how to fix it. Find out how to unplug or cut the brake controller, or reset the trailer brakes with a screwdriver., Feb 21, 2019 · 2020 Chevy Silverado 2020 LT Texas Edition CCSB, 5.3L, Shadow Gray. Traded 2015 Canyon SLT, Copper Red, 2WD, CC, SB, V6, Tow, blk leather, factory spray liner, safety pkg, generic roll up bed cover, Tekonsha P3 Brake Controller, Replaced OEM at 70k with Michelin LTX Defender. , A. There are two boxes for the trailer brake system on GMT900 and K2XX trucks. One is the trailer brake control module and one is the trailer brake relay. B. Usually, it’s the trailer that’s the issue, not the truck. C. If it IS the truck, I’ve fixed quite a few without replacing either box., Duwillia1 Discussion starter. 32 posts · Joined 2011. #1 · Sep 26, 2011. I have been getting a service brake system message showing up on my instrument cluster this week. I have done some searching around this forum and some other web searches, but I never found the resolution. This primarily happens when I have to really press the brake ..., Nov 15, 2017 ... ... trailer braking system ... Chevy Silverado GMC Sierra - Service Trailer Brake System - EASY & CHEAP FIX., 2015 silverado 1500 "Service Trailer Brake System" keeps popping up on the message center. ... we are hauling a 3 Horse living quarters Horse trailer with our 2015 Chevrolet Silverado Dually Dieselpickup. We are currently in transit to the Quarter Horse World Show.