Service trailer brake system chevy silverado

Chevrolet Silverado 1500 (New Model) 2019 2019 Silverado 1500 2020 2021 Silverado 1500 - LTD (RPO J21, VIN Digit 5 = W / Y) 2022 2022 Silverado 1500 - New ... Service Trailer Brake System message DTC C1114 The Following failures are the result of trailer side connection issues: 5867917 1. Short on trailer side damaged the terminal- Trailer

Service trailer brake system chevy silverado. Jul 30, 2021 · If you are getting a "Service Trailer Brake System" message, that is a safety-critical defect, and in my case, a defective wire harness. Please document the...

Silverado 1500. Automatic transmission. 1,000 miles. A D V E R T I S E M E N T S. We have invoked the lemon law on this truck as the trailer brake warning light constantly comes on. The dealership ...

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 …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.How to fix the "service trailer brakes" error on a 2014 Silverado.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 ...2017 Chevrolet Silverado 1500 5.3 litre V8 1. Low speed brake failure. Problem seems more prevalent while vehichle is in reverse. 2. Had to use emergency brake to stop the vehicle. 3. Not yet but research show safety recall for 2014-2018 vehicles.25 posts · Joined 2015. #24 · Jan 4, 2015. I had this exact same problem with my 2011 Sierra. Service stabilitrack and traction control message, ABS and check engine light came on and the truck went into limp mode. Took it …854 posts · Joined 2012. #1 · Aug 23, 2012. After going to a GM dealer they determined that my trailer brake control module was bad, back on the frame by spare tire. I get home start looking at wires under dash and notice the wire plug that hooks to the brake control on dash is half way out. Plugged it back in and now the message is gone and ...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.

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...First is the wiring from the controler to the trailer plug. THe module is inside the frame, left side at the rear tire. Second is the wiring around the brake pedal. Also inspect the wiring and grounds around the controller. IF you find nothing, then you will need to scan the system and get the codes.The brake pads in your brake system may feature Brake Wear Indicators that will alert you when service is necessary. The indicators are metal tabs built into the brake pads. When the pads wear to the point that the indicators are revealed, the tabs will rub against the rotors when the brakes are applied, emitting a chirping, squealing or whistling sound.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.Buy GM Genuine Parts 20850923 Trailer Brake Control Module Assembly: ... A-Premium Trailer Brake Control Switch Assembly Compatible with Chevrolet Silverado 1500 2500/3500 HD Suburban Tahoe Avalanche & Cadillac Escalade & GMC Sierra Yukon 2007-2014 - Replace# 15926102 ... Worked as expected 08 Chevrolet 2500 Duramax to fix service trailer brake ...MarcoPolo Discussion starter. 10 posts · Joined 2013. #1 · Apr 30, 2014. I have my power wire for my amp attached to One, of two of the red wires leading to the fuse box under the hood. I accidentally touched the power wire to the ground and the wire sparked, and cause the "Service Trailer Brake System" warning on my DIC.Trailer Brake Control - Direct Fit, Sold individually. Part Number: RC54700001. 0 Reviews. Vehicle Info Required to Guarantee Fit. $34.58. 0. Add to Cart. Product Details. Warranty : 1-year Replacement unlimited-mileage warranty Quantity Sold : Sold individually Prop 65 Warning :

The problem: affected vehicles equipped with the Integrated Trailer Brake ( RPO code JL1) may have a “Service Trailer Brake” message when connecting a trailer with an electric brake...About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...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.The ‘service trailer brake system’ warning message indicates an issue with the integrated trailer brake system. Based on my observations, it occurs mainly on Chevy Silverado (2014, 2015, and 2018 models in particular) and GMC Sierra vehicles.Max Trailering Package (+$1,125 MSRP) Trailering Package. Increased towing and GCWR. Automatic locking rear differential. Handling/Trailering Suspension Package. Enhanced cooling radiator. Revised shock tuning. Heavier duty rear springs and increased RGAWR. 9.76" rear axle.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 …

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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.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.Feb 25, 2020 · The Cruise Control System will engage and adjust vehicle speeds, based on the activation of the following cruise control switches, which are located on the steering wheel: The on/off switch. The + RES switch. The - SET switch. The body control module (BCM) monitors the signal circuit of the cruise control switches. Service trailer brake system. 2007 3500 HD i have replaced every piece from controler in cab to the trailer brake - Answered by a verified Chevy Mechanic. ... I have a 2019 Chevy silverado 3500 HD with Integrated trailer brake. Just had electric over hydraulic brakes put on 5th wheel. I can push brake petal and no trailer brakes.

May 8, 2016 · 47 posts · Joined 2015. #1 · May 8, 2016. Hey guys, My DIC recently started telling me to Service Trailer Brake System. I found a 30A J-Case fuse for Trailer Brakes blown under the hood. Replaced it, it blew again in a couple seconds (before I could even get to putting keys in the ignition). I've attached the fuse diagram, it's number 65 (Gas ... R. rocket dawg. 40 posts · Joined 2017. #17 · Feb 13, 2019. 2017 Silverado with a whooping 5200 miles on it and the "Service the trailer brake system" on the DIC. Yeah its under warranty but dropping it off and retrieving it is a pain in the arse. I'll let you know what it was when it's fixed.3.1K. 290K views 2 years ago. This video shows how to correct the annoying "Service Trailer Brake System" message that randomly appears on your dash while driving. The fix is to change the...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...i have a 2008 chevy silverado 3500hd ltz duramax.i am getting a messaage to service trailer brake system.originally the trailer brake system worked however the system is no longer activating trailer b ... I have a 1996 Chevrolet Silverado, my problem began with a tail lights, brake lights, running lights and back up lights. ...1.5K. 136K views 1 year ago. In this video we will be looking at how to repair the very common “service trailer brake system” warning for Chevy Silverado and GMC Sierra. It’s cheap,...Silverado service trailer brake system fix. Itbc "service trailer brake system" resolutionChevy brake faqs: answers for drivers in the salem, oregon area Brake gm beep dreaded silveradoBrake trailer service system permalink chevrolet gmc. To test the trailer service brakes you should:How to reset service trailer brake?Trailer Brake Controller Installation - 2016 Chevrolet Silverado 2500 review and installation instructions. Today on our 2016 Chevrolet Silverado 2500 we're going to take a look at and show you how to install the Takonsha Prodigy P3 Trailer Brake Controller. This is a proportional controller that works for one up to four axles. Part number is 90195.A Service Charging System message may be displayed on the DIC and/or a low voltage reading may be shown on the volt gauge during the first several minutes after a cold start on some 2007-2010 Silverado or Sierra models equipped with the 6.6L diesel engine (RPO LMM). Some modules may set DTC B1517, SYM 03-Battery Voltage below Threshold.

Remove the cover from the power junction box. Slide the ring terminal over one of the power studs; depending which stud you choose, you may need to remove the 8mm nut first. If both studs do not have a nut, you'll need to get a 8mm nut with a thread pitch of 1.25. Figure 9. Wire installed on power stud.

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.No matter how much, the entire fix for a service trailer brake system in a GMC Sierra will not cost a fortune. Final Words. Just like the importance of safety cannot be overemphasized, you cannot be too safety conscious about the service trailer brake system in a 2017 Silverado. Not to undermine at all, maintaining a 100 percent safety ...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 ...I have a 2011 Chevrolet Silverado 2500HD equipped with the factory integrated trailer brake control system. The trailer brakes have stopped working. Im trying to diagnose the cause. Used a tester at the truck plug in the bumper. turn signals, reverse light, and brake lights work but I have no output on the trailer brake output line.This service bulletin provides information to dealership personnel that after performing a brake inspection, brake pad replacement, or any other repair that requires the caliper piston to be reseated may be causing DTC c05b0 to falsely set. Discuss it at Forum. TSB Number: 21-NA-089. NHTSA Number: 10234108. 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 2007 Chevrolet Silverado 3500hd ltz Duramax I am looking for the pin connectors for the main fuse box under the hood for the Cassidy wiring ... Vocational, Technical or Trade Scho. 28,691 satisfied customers. Service trailer brake system. Just service trailer brake. Service trailer brake system JA: The Chevy Mechanic will know …

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HOW TO FIX SERVICE TRAILER ON SILVERADO TRUCKS 2011 2012 20132007 - 2014 Silverado Service Trailer Fix Tips 3500 2500 1500This video is intended to show wha...MarcoPolo Discussion starter. 10 posts · Joined 2013. #1 · Apr 30, 2014. I have my power wire for my amp attached to One, of two of the red wires leading to the fuse box under the hood. I accidentally touched the power wire to the ground and the wire sparked, and cause the "Service Trailer Brake System" warning on my DIC.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 ...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.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...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 ...2010 Silverado 5.3 LTZ,..... intermittent DIC message Service trailer brake system "usually" after i momentarily step on the brakes No trailer is hooked up at any time this message comes up. Already changed the controller in the dash and the BCM module underneath by the spare tire. OBD2 Scanner shows no fault codes.This will leave with spongy brakes or no brakes at all. Your Chevy Silverado brake monitoring system can detect the drastic drop in performance even if you ignore it, prompting you to service the brake system soon. You can tell the brake fluid levels by checking the reservoir under the hood. The level should be as close to the Max line as possible. ….

Here's how to remedy that pesky "Service Trailer Brake System" message that seems to pop up on GM vehicles over time. Thank you for watching! \m/Want me to r... Universal Prodigy™ Electronic Proportional Brake Control by Tekonsha®. Unlike timed brake controls that deliver the same power under all braking conditions, Brake Controls use Proportional Technology that senses the type of braking... Applies trailer brakes Shortens stopping resistance. $135.10 - $231.64.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 …Troubleshooting Brake Controller on 2010 Chevy Silverado 2500 Customer Service My Orders. Towing; Sports & Rec; Trailer; Vehicle; RV & Camper ... 2010 Silverado 2500, trailer brakes worked fine till the last time I hooked up and no brakes. Readout shows hash marks all the way across, like you are applying full brake. ... You'll need to do a ...Silverado LTZ 5.3L. After they fixed my 1st issue, they eventually worked on this nice warning "Service Trailer brake". They replaced the module for trailer brake and 2 days later they called and ...SERVICE TRAILER BRAKE SYSTEM means that your trailer brakes will not work. Not a good thing when you are pulling your camper, or your stock trailer either. Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck may be a little (or a lot) different. 2008 Silverado LT, Crew Cab, 2WD,LB.If you have a fault in the brake system, the trailer brakes are disabled too. This is what i hate on the built in trailer brakes. You should get the code checked that is set, otherwise you don't have any direction where to start. 2013 Silverado LTZ Crew Cab 5.3, greystone metallic, black GFX runningboards, HD mudflaps, trifold box cover and ...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 - ProportionalThe Service StabiliTrak message (also called Service Stabilitrak Light or Stability Track Light) is a warning signal that appears when something is up with your GMC/Chevy’s StabiliTrak System. It can appear when the car is in motion or idle. While the service stabilitrak dash light is supposed to appear during wet or slippery road conditions ...@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! Service trailer brake system chevy silverado, 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., 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 ..., Service trailer brake system I have been getting the light for a while. I thought it was because the trailer connection (Female) on the truck was bad or getting corroded. ... 2017 Chevrolet Silverado 3500HD SRW High Country CCSB L5P Duramax Cognito UCA kit, Truxedo soft tunnel cover, 18" Novakane's death metal wrapped in LT275/70R18 Nitto Ridge ..., Go to etrailer.com and look at the diagram for the 7 way connector and it will show you the correct circuits for turn signal, brakes, aux and park/running lights. Get a cheap voltmeter and go test the circuits. It does it both ways, Always stays on> With and without the trailer on., Max Trailering Package (+$1,125 MSRP) Trailering Package. Increased towing and GCWR. Automatic locking rear differential. Handling/Trailering Suspension Package. Enhanced cooling radiator. Revised shock tuning. Heavier duty rear springs and increased RGAWR. 9.76" rear axle., I just installed the Edge CTS Race in a 2008 Sierra as soon as I started the truck service trailer brake system came across the screen. Any ideas as to what I can do to correct this? ... 99' Silverado 1500 ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing ..., 24 Silverado trailer brakes. ... If either the CHECK TRAILER WIRING, TRAILER BRAKES DISABLED SERVICE REQUIRED, SERVICE TRAILER BRAKES, HOLD LAST KNOWN GAIN, or REDUCED TRAILER BRAKING message displays while driving, the ITBC system may not be fully functional or may not function at all. ... My …, Pushed on the brakes and got a service trailer brake system. Shut the truck off and checked the connector it was good. The rv tech checked the trailer with a tool they had. ... 2005 chevy silverado 2500 hd duramax stock ! Censored. Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions. M. Mikey52., JFM-jr. 363 posts · Joined 2013. #9 · Oct 24, 2015. OK I just fixed my issue ten minutes ago no more service trailer brake message. It was fuse position number 58! Easy way to test is check with a meter for 12 volts on the post I …, 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..., I am planning on hauling a 3-4 horse trailer and have come across a 2003, Chevy Silverado 2500 LT, HD 2x4 with 8.1L gas engine. It has the Allison transmission and towing package, brake, etc. Has 109, … read more, The contact owns a 2019 Chevrolet Silverado 1500. The contact stated while driving 60 MPH, the vehicle lost motive power with the engine misfiring. The messages "Service Parking Brake" and "Service ESC" were displayed. ... Service Trailer Brake System - warning code is displayed every time the vehicle is started and must be dismissed. This does ..., 2012 LML Started it this morning and had this message Service Trailer Brake System no trailer was hooked up at the time of message. 2012 GMC Sierra 2500HD Diesel 2wd Crew Cab. Stock. ... 2015 Chevy Silverado 3500HD SRW CCSB 4X4 LTZ Z71 (sold) Save Share. Like. N. nashguy207 Discussion starter, Universal Prodigy™ Electronic Proportional Brake Control by Tekonsha®. Unlike timed brake controls that deliver the same power under all braking conditions, Brake Controls use Proportional Technology that senses the type of braking... Applies trailer brakes Shortens stopping resistance. $135.10 - $231.64., Trailer Brake Controller Harness (03-06 Silverado 1500) $21.99. Apr 24 - Apr 26. US Only, No APO. (13) Smittybilt 2-Inch Receiver Hitch Adjustable Ball Mount with 1-7/8-Inch and 2-Inch Balls; 6-Inch Drop (Universal; Some Adaptation May Be Required) $145.99. Touring Tech Rear Air Bag Tow Assist Kit with Controller Kit (07-18 Silverado 1500) $378.00., 2016 Yukon Denali. Vehicle got stuck in the snow. A ball was used in the hitch to pull it out. Next day the battery was dead. After jumping, it had the Service Trailer Brake System message. Didnt think anything of it except now the battery won't hold a charge. It will jump and run fine but left..., 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., 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., Article: Trailer Wiring Diagrams; Article: Installing an Electric Brake Controller on 2007-2013 GM Full-Size Truck or 2007-Present GM SUV; Article: Brake Controller Installation for 2007 (New Body Style) - 2013 GMC Sierra and Chevy Silverado; Q&A: Removing the 7-Way Trailer Wiring Plug from the Housing, 2010 Chevy Silverado with Factory 7-Way, 14 posts · Joined 2017. #1 · Oct 25, 2017. In the past couple a months, I have noticed that on occasion, I will get the "Service Brake System" message in the Info Center, as well as the ABS light and BRAKE light coming on. This only seems to happen once in a while and it's random. There is no real consistency to when it seems to happen., Brake silverado serviceQ&a: 2013 chevy silverado 1500 brakes, trailer brake controller & 7 pin Welcome to rj tire and service: working on the braking system of chevyTrailer brake silverado service system troubleshooting etrailer enlarge click., Feb 25, 2020 · The Cruise Control System will engage and adjust vehicle speeds, based on the activation of the following cruise control switches, which are located on the steering wheel: The on/off switch. The + RES switch. The - SET switch. The body control module (BCM) monitors the signal circuit of the cruise control switches. , Brake System Failure, Service ESC, Trailer Brakes Disabled. I have a 2023 GMC Sierra Denali Ultimate with the 6.2 V8. As soon as I bought the truck (@400 miles) I had a local shop, 5RTrucks out of Golden, CO, install a 4 inch BDS lift and install 35 inch tires. At 19,000 miles I got three warning lights (Brake System Failure would not let me go ..., #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., Trailer brake contrl for 99-02 silverado suburban 1500 2500 3500 wiring drawtiteI have a chevy silverado 2006 1500. i installed a trailer brake controller and it doesn’t work 2008 chevy silverado 2500 service trailer brake systemChevy 2010 service trailer brake system., Oct 22, 2023 ... The 2024 Chevy Silverado New Tech Makes Towing So Much Better!!! Check It Out! JB Reviews · 13K views ; Chevy Silverado GMC Sierra - Service ..., How To Video: Operating trailer brake on 2017 Chevy Silverado. How To Video: Operating trailer brake on 2017 Chevy Silverado., 47 posts · Joined 2015. #1 · May 8, 2016. Hey guys, My DIC recently started telling me to Service Trailer Brake System. I found a 30A J-Case fuse for Trailer Brakes blown under the hood. Replaced it, it blew again in a couple seconds (before I could even get to putting keys in the ignition). I've attached the fuse diagram, it's number 65 (Gas ..., Jan 22, 2021 ... Comments42 ; How To Fix Chevy Service Trailer Brake System Warning. Common Problems & Failure Points Explained. Shaners Mechanic Life · 76K views., Subject: Diagnostic Tip - Check and/or Service Trailer Brake System message DTC C1114 Models: 2014 Chevrolet Silverado 1500 2015-2017 Chevrolet Silverado, Suburban, Tahoe 2014 GMC Sierra 1500 2015-2017 GMC Sierra and Yukon Models With Integrated Trailer Brake Control (ITBC) system RPO JL1, Service trailer brake system keeps coming on 2016 chevy Silverado 2500. Where is trailer brake relay on my 2016 chevy Silverado 2500 ,found trailer brake module , did they do away with it, hauling trailer service trailer brake system keeps coming on, also check trailer wiring popos up also figured Id change relay first any help would be greatly appreciated thanks, 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., Certain vehicles may have a condition where the instrument panel cluster displays that a trailer is connected or disconnected when there is no trailer attached to the vehicle. Dealers are to reprogram the tra . Discuss it at Forum View This TSB. More Chevrolet Silverado 1500 Integrated Trailer Brake Control Service Bulletins of Other Model Years