"Daddy Shark" 2017 GMC Sierra 2500 Denali, Crew Cab Short Box, 122k Miles "Big Red" 2008 Chevy Silverado 2500HD Ext Cab Long Box, 262k miles (GONE) ... 2020. Is your ABS light on steady in the instrument panel? If so, fix the ABS problem and the SERVICE TRAILER BRAKE SYSTEM message will go away. When you attach your trailer, and plug in the 7 ...The "Service Trailer Brake System" message informs you that the trailer brake system has disengaged due to wiring issues or some other problem. The brake system may be hampered if the trailer being towed doesn't have enough power. In addition to the warning, there can be further symptoms. The problem may make it difficult to stop the trailer.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.5. Your brake pads are worn. Depending on your car make, model, and year, your service brake system light may become illuminated when the brake pads need to be replaced. However, like with brake fluid contamination, your car may not alert you to the need for new brake pads with a light.Another video in our series about owning and using your car trailer. In this video, we explain the GMC trailer brake controller system in the GMC Sierra and ...May 14, 2019 ... 5 Hidden Features Chevrolet doesn't tell you. Did you know about these? · 2014 - 2018 Chevy Silverado GMC Sierra Service Trailer Brake System Fix.32 posts · Joined 2020. #1 · Mar 20, 2021. 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 ...Models. The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Some owner may comment of a Service Trailer Brake message on the DIC and the following DTC's set in the Chassis Control Module: C111B, C1112, C1113, and/or C1114. It may also be noticed, while cranking the engine, there is a slow crank.Your truck may have a separate Trailer Brake Control Module in the same area or on the frame rail. New ones require programming. In 2011 or 2012, I could be …Until then I am posting the codes here and see if anyone ran into this issue, and the fix with this additional info. C0040-04. Right front wheel speed sensor circuit-open. U0422-71. Invalid data received from body control module - invalid data. U0101-00 Lost communication with transmission control module.GMC sierra has a "service trailer brake" message. I replaced the controller and the message still comes up. ... 5/6/2017. Chevy Mechanic: ... I have a 2014 gmc 2500 duramax sierra with a service trailer brake system code on dash.Checked wiring, cleaned ground, replaced trailer brake relay, replaced trailer brake control module replaced one ...I have a 2017 Sierra 2500 HD with the ITBC and have recently installed Dexter Electric over Hydraulic Brakes. The controller works fine up to a gain setting of 3.0. After that any type of heavy braking will trigger a Service Trailer Brake System message and no further braking will occur until I turn the truck off and back on.scottl. 542 posts · Joined 2014. #6 · Mar 3, 2015. First thing to check when diagnosing trailer light problems.Is the grounds.Make sure you trailer is grounding to truck good thru the ball first.Then check trailer grounds then truck grounds.I was getting several messages on my control panel. Service Brake System, Service Stablitrak, Traction Control Off. In this video I go over the possible ca...You can use it to see if your inboard to outboard wear difference is six millimeters or more. It will also help you check the fluid level in your brakes. Contents gizle. 1 Brake pedal pulsates or feels soft. 2 Inboard to outboard wear difference of 6 mm or greater. 3 Noise from squealing brake pads.GMC Sierra/Sierra Denali is also called VIA Vtrux Truck and Chevrolet Silverado LD. ... Trailer brake: 2: Trailer battery: 3: Antilock brake system pump: 4: Instrument panel BEC 1: 5: Passenger motorized seat belt: 6: 4WD transfer case electronic control: 7: Electric park brake: 8:32 posts · Joined 2020. #1 · Mar 20, 2021. 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 ...628 posts · Joined 2008. #1 · Sep 26, 2009. We had some rain in Atlanta this past week. Two days ago, with no trailer, I got "Service Trailer Brake System" at every start up. I opened the door, there is not corrosion or trash. I pulled the plug from the inside and likewise, no corrosion or trash. I hit it with compressed air and added ...GMC Sierra 1500 2014 - 2017 All All All All GMC Sierra 2500/3500 2015 - 2016 All All All All GMC Yukon 2015 - 2016 All All All All Supersession Statement With Ultrasonic Park Assist System (RPO UD5 or UD7) Supersession Statement This PI was superseded to update the model year, Condition, Recommendation and Parts sections. Please discard PIT5507B.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 ...I have a 08 gmc Sierra 3500 diesel. I was torching my receiver hitch to get a sleeve out and got into the trailer plug harness a little bit, all the wires still looked good just looked like the wrap melted a little. Truck now has the "service trailer brake system" message on all the time (never hooked it to a trailer).First off the factory controller is far superior to most aftermarket units in that it is driven by actually brake input. Secondly, replacing it does not fix the problem, even if the aftermarket unit "appears" to work does not mean you have good braking on the trailer. 2008 Chevy Crew Cab LT2 2500HD. Summit White. Line-X over the rail.A-Premium Trailer Brake Control Switch Compatible with Chevrolet Silverado 1500 2500/3500 HD Suburban Tahoe Cadillac Escalade GMC Sierra Yukon 2007-2014 - Replace# 15926102. dummy. Trailer Brake Control Switch Assembly 84108373 (OEM:23145874) 2015-2021 Chevy Silverado Sierra Suburban Tahoe Colorado GMC Canyon Yukon - Trailer Brake Control Switch.These repairs will be performed free of charge. The recall began on October 13, 2016. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 16007.Aug 3, 2018 · Support My Channel! Paypal - [email protected] / Cashapp - $cdarnau2014 - 2018 GMC SIERRA, CHEVROLET SILVERADO, SERVICE TRAILER BRAKE SYSTEM REPAIR. C1117 REPA...854 posts · Joined 2012. #15 · Mar 2, 2014. The brake controller switch that is on the dash by your knee. The one you use to activate trailer brake or to turn up or down the gain. Sent from AutoGuide.com Free App. 2007.5 ccsb Chevy 2500hd, white LT, 4" DE turbo back exhaust. 3" down pipe With magnaflow duals.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 ...The GMC Sierra 1500 is a great choice for anyone looking for a reliable, powerful, and stylish truck. Whether you’re looking for a workhorse or a weekend warrior, the Sierra 1500 h...2010GMC Sierra 1500. My brake lights stay fully lit without foot on the brake. They are lit regardless of whether I am in park, neutral, or drive. ... "Service Trailer Brake System" message no longer activates; Cruise control works again . Reactions: davester3500 and Chevy-SS. Save Share. Like. ... Chevy Silverado and GMC Sierra Forum. 1.4M postsThe 2017 GMC Sierra has 19 NHTSA complaints for the service brakes at 52,806 miles average. ... similar to the brake anti skid system being activated. I was able to simulate this braking problem ...2015 Denali here. I was getting the alarm on remote starts and periodic harassment on the Service Trailer Brake System. The final straw was that it wouldn't start after sitting for a week. I replaced the battery. The alarm issue is gone. It's been a week. I had one STBS message right after but haven't seen it since.Mar 31, 2018 · 2015 Denali here. I was getting the alarm on remote starts and periodic harassment on the Service Trailer Brake System. The final straw was that it wouldn't start after sitting for a week. I replaced the battery. The alarm issue is gone. It's been a week. I had one STBS message right after but haven't seen it since.'19 Yukon XL SLT 4wd '84 GMC C15 Sierra Classic 454 700R4 '97 GMC K1500 Z71. ... My '07 Lucerne was showing the same service brake assist / track control, and cruise control syndrome after I replace a failing power brake booster. Seems like one , two, and sometimes all three problems would come and go, and while diagnostics did find a couple ...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...Locate the traction control button on your dashboard. If you press it briefly, you will find that the traction control system will be deactivated, but the Stabilitrak system will remain active. However, pressing and holding it for at least 15 seconds will turn off both the traction control and the Stabilitrak systems.ITBC "Service Trailer Brake System" Resolution. After spending a lot of time looking at harnesses and checking fuses. This is what I found that resolved my issue with the ITBC System on my 2007.5 Duramax. I was driving down the road and the "Service Trailer Brake System" message popped up on the DIC. At this time I was not towing or hauling ...When the ABS light / comes on in your Sierra 1500, the anti-lock braking system is disabled. The vehicle can still be braked without ABS. But if the BRAKE light / also comes on, it indicates a malfunction in the braking system and you must stop driving due to risk of brake failure.. 1. Bad wheel speed sensor. GMC Sierra 1500 has an ABS sensor at each wheel hub which measures the speed of the ...Once all the connectors and wiring has been checked and no faults are found, it is time to hook up a bi-directional scan tool that can read the internal Chassis/BCM codes and run tests on the Integrated Trailer Brake Controller system. 2009 GMC Yukon XL SLT 5.3 K5L - 2012 GMC Sierra SLT 6.2 NHT - 2013 GMC Sierra SLT 6.2 GAT.25 posts · Joined 2021. #1 · Jan 9, 2023. Every now and then when I start my truck (2017 Silverado LTZ Z71 L83 and 8L90) I get these notices that say “Service Trailer Brake System” “Service Stabilitrak” and the ABS light turns on. Back in October I had an issue with the trans wiring and paid $1,200 for a new wiring harness to be ...The GMC Sierra is a popular choice among truck enthusiasts for its performance, durability, and stylish design. One aspect that sets the Sierra apart from other trucks on the marke...On my 2021 GMC sierra 3500 HD, I have a 2019 Kaufman trailer. Service trailer brake system message pops up and on the trailer brake controller there is no gain coming out. I also have a 2021 GMC Sierra 1500 so when I put the connection into that truck the brake controller shows output in the trailer gain while connected to my 1500 and not the 3500.J. jcalaustex Discussion starter. 18 posts · Joined 2016. #1 · Oct 8, 2018. So started truck this morning and the "Service Stabilitrak" and "Service Trailer Brake" notifications popped up. Anyone have experience with this? 2016 Duramax with 36,700 miles on it. Of course this happens right after 36,000 miles.Find trusted recommendations for your 2017 GMC Sierra 1500 at etrailer.com-your one-stop shop for trusted recommendations and top-tier ... CURT Trailer Brake Controller - 2017 GMC Sierra 1500 with factory Tow Package. Shown on 2023 GMC Sierra 1500. 1431 reviews ... Years of Quality Customer Service. Assisting our neighbors and customers, face ...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 ...Mar 8, 2017 · A-Premium Trailer Brake Control Switch Compatible with Chevrolet Silverado 1500 2500/3500 HD Suburban Tahoe Cadillac Escalade GMC Sierra Yukon 2007-2014 - Replace# 15926102. dummy. Trailer Brake Control Switch Assembly 84108373 (OEM:23145874) 2015-2021 Chevy Silverado Sierra Suburban Tahoe Colorado GMC Canyon Yukon - Trailer Brake Control Switch.Service Trailer Brake System means that the trailer braking system in the truck has a problem whereas the Check Trailer Wiring means that the truck has detected a fault in the trailer wiring and this is usually a very good indicator of where the problem is. ... 2016 GMC 3500HD SRW. ... 38 posts · Joined 2017#PIT4842A: Trailer Brake Message C1112 And/Or C1114 (Reprogram TBCM) - keywords inop inoperative int intermittent program tow - (Apr 8, 2010) Subject: Trailer Brake Message C1112 and/or C1114 (Reprogram TBCM) Models: 2007-2008 Chevrolet Silverado 2007-2008 GMC Sierra Equipped With Intregrated Trailer Brake Control Module (RPO JL1)25 posts · Joined 2021. #1 · Jan 9, 2023. Every now and then when I start my truck (2017 Silverado LTZ Z71 L83 and 8L90) I get these notices that say “Service Trailer Brake System” “Service Stabilitrak” and the ABS light turns on. Back in October I had an issue with the trans wiring and paid $1,200 for a new wiring harness to be ...Service Trailer Brake System means that the trailer braking system in the truck has a problem whereas the Check Trailer Wiring means that the truck has detected a fault in the trailer wiring and this is usually a very good indicator of where the problem is. ... 2016 GMC 3500HD SRW. ... 38 posts · Joined 2017First of all pull the owners manual and go to the fuse section and check every fuse related to the trailer for blown. Could have popped one when you hooked the battery back up. That’s simple. 2016 White Colorado LT 2WD Ext. Cab. 3.6L V6 6 Spd. Automatic with Dipstick, Pedal Commander, BakFlip G2 Tonneau, Elite CC, Tow Mirrors, Cargo …6836 posts · Joined 2011. #2 · Aug 9, 2018. I had a sensor on the master brake cylinder go bad that caused this. 2010 Gmc 2500 Duramax 853,500 Odometer miles - sold Nov 2018. 2013 LT CCSB SRW bought with 508,000 miles, now over 703,000 miles. 2013 CrewCab and chassis with 9' Hillsboro aluminum flatbed 84,000 miles.ABS light on and service stabilitrak, traction control and trailer brakes fix on 07-13 Silverado Brake Pedal Switch takes five minutes to install and costs $...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.How to fix the GM service trailer brake system problem that affects many models of GM trucks and SUVs. This video shows you the common causes and solutions for this issue, as well as how to test ...10206716. TSB Date: December 6, 2021. Date Added to File: January 24, 2022. Failing Component: Electrical System: Integrated Trailer Brake Control. Summary: This preliminary information communication provides information to the technician about customers that may request the factory integrated trailer brake controller regular production option ...#PIT4842A: Trailer Brake Message C1112 And/Or C1114 (Reprogram TBCM) - keywords inop inoperative int intermittent program tow - (Apr 8, 2010) Subject: Trailer Brake Message C1112 and/or C1114 (Reprogram TBCM) Models: 2007-2008 Chevrolet Silverado 2007-2008 GMC Sierra Equipped With Intregrated Trailer Brake Control Module (RPO JL1)So my DIY says Service Stabilitrak, Service Traction Control, and Service Trailer Brake System. The Traction Control and ABS lights are on also. I pulled codes and it had a C0050-05 Right Rear Wheel Speed Sensor (short to power). I went ahead and replaced the wheel speed sensor but that didn't fix it. Clear the code and it comes right …Gmc sierra service trailer brake system Gmc sierra 1500 repair 2019 gmc sierra 1500 brake system failure: 6 complaints 2007 gmc sierra 1500 brake repair. Fix Workshop. Menu. ... Service Trailer Brake System 2017 Gmc Sierra. Check Details. GMC SIERRA 1500 - 03,43,53 Bodystyle (2WD) - CK1(03-43-53) BRAKE LINES.ABS light on and service stabilitrak, traction control and trailer brakes fix on 07-13 Silverado Brake Pedal Switch takes five minutes to install and costs $...The problem of the service brake soon on a 2009 silverado is a simple 20 minute fix remove the 2 15 milometer nuts from master cylinder housing to booster , you do not even have to remove brake lines tap brake pedal lightly this will push master cylinder lose replace the o ring on master cylinder housing with a slightly bigger one reattach turn truck on fixed .I have a 2014 gmc 2500 duramax sierra with a service trailer brake system code on dash.Checked wiring, cleaned ground, replaced trailer brake relay, replaced trailer brake control module replaced one blown fuse. nothing yet. Did not replace the trailer brake control switch yet. … read moreThis 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...GMC Sierra 1500 2014 - 2017 All All All All GMC Sierra 2500/3500 2015 - 2016 All All All All GMC Yukon 2015 - 2016 All All All All Supersession Statement With Ultrasonic Park Assist System (RPO UD5 or UD7) Supersession Statement This PI was superseded to update the model year, Condition, Recommendation and Parts sections. Please discard PIT5507B.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.The 2020 GMC Sierra 1500 has 28 NHTSA complaints for the service brakes at 5,836 miles average. (Page 1 of 2) ... Brake pad monitoring system alert came on driver information center warning screen ...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 .Hayes Trailer Brake Controller with Adapter - 2017 GMC Sierra 2500with factory Tow Package. 90 reviews. Code: HA81760-HA81798-HBC. Retail: $137.92.2017 Silverado 3500- Service Trailer Brake System" message **AFTER** upgrading RV to hydraulic disc brakes. ... The 2017 to 2019 will not apply trailer brakes while sitting still except through the manual squeeze switch. ... Hence the need for a "fooler" to allow the factory controller to work with EOH systems in every GM prior to '15.Hey guys! Welcome back to the channel. Today we take a look at a 2013 Chevrolet Silverado 2500HD w/ a 6.0l V8 engine. The customer recently purchased this tr...In the Engine compartment on the driver's side, there is a fuse block. In the #1 location there is a micro J-case fuse for the Trailer Brake. There is not a relay for this on your 2015 GMC Sierra 3500. Your owners manual does have a relay on the driver's side of the vehicle, next to the under hood electrical container that is used to supply ...Technical Service Bulletins for the 2017 GMC SIERRA 1500. Manufacturer technical service bulletins received by the National Highway Traffic Safety Administration to date. Call the Vehicle Safety Hotline toll free at (888) 327-4236 to report safety defects or to obtain information on cars, trucks, child restraints, highway or traffic safety.In summary, that "Service Trailer Brake System" warning shouldn't induce panic in owners of Chevy and GMC trucks. It's simply an important heads up about a common, routine issue with the electric brake system. Nine times out of ten, the cause will be minor dirty connections or a tired module. Taking some basic troubleshooting steps ...Mar 19, 2018 · 2015 2500HD "check trailer wiring" and "service trailer brake system" i have a 2015 2500HD 6.0. it has the factory trailer brake controller and i have been getting "service trailer brake system" and "check trailer wiring" it has been to the dealer twice for this and the first time the service trailer brake system light would not go out even if it didnt have a trailer hooked to it. the first ...2024 Sierra 2500HD/3500HD; 2024 HUMMER EV; Service Trailer Brake System - What Owners Can Do. If you find yourself facing this issue, the first step is to replace the Trailer Brake Control Module. GM has released an updated part to address this problem.The brake controller install port on your 2017 GMC Sierra for installing your Primus IQ part # TK90160 is located under the dash under the junction box lid you see in the picture I attached. I also attached an install video below that details how this is done. The install harness you need is # 3016 . expert reply by: Jameson C. click to enlarge.Trailer brakes lock up when connected to 2014 gmc sierra 2500hd with oem brake controllerBrake sierra trailer 1500 gmc controller integrated features sle available Service trailer brake system fix on a 2016 chevy silveradoService brake trailer system gm trucks.2008 Gmc Sierra 2500hd Service Trailer Brake System. Check Details. SERVICE TRAILER BRAKE SYSTEM - 2014 / 2015 / 2016 Silverado & Sierra. Check Details. 2012 Gmc Sierra Trailer Wiring Diagram. Check Details. The dreaded... Service Trailer Brake System Beep Beep - 2015-2019. Check Details. Service Trailer Brake System - Chevy and GMC Duramax ...GMC Sierra HD Using the Trailer Brake Controller - YouTube. Check Details. SilveradoSierra.com • Service Trailer Brake System : Electrical. Check Details. 2008 Gmc Sierra 2500hd Service Trailer Brake System. Check Details. 2010 GMC Sierra Tekonsha Prodigy P2 Trailer Brake Controller - 1 to 4. Check Details. 2012 GMC Sierra Trailer Brake ...I'm going to show you how to fix a service trailer brake system message in your DIC for your chevrolet and gmc 2006-2018 pickup and SUV 1500 2500 3500 gas an...I've been fighting this on my 2017 1500 for 2 years. Dealer says they "can't replicate the problem". Yet, at start up I get on the D.I.C. "Service Trailer Brake System Warning". I can clear it via the reset …2008 Gmc Sierra 2500hd Service Trailer Brake System. Check Details. SERVICE TRAILER BRAKE SYSTEM - 2014 / 2015 / 2016 Silverado & Sierra. Check Details. 2012 Gmc Sierra Trailer Wiring Diagram. Check Details. The dreaded... Service Trailer Brake System Beep Beep - 2015-2019. Check Details. Service Trailer Brake System - Chevy and GMC Duramax ...Part # 51452. SKU # 1277229. Check if this fits your 2017 GMC Sierra 1500. Notes: USA region. Finish - XA. Installation time - 5. Trailer brake controller harness, select Cadillac, Chevrolet, GMC (packaged). Installation location: BH3, BH1. CURT 51452 quick plug electric trailer brake controller wiring harness, select Chevrolet Silverado ...I cannot verify the 2016 info, but the previous years had two posts under the hood fuse box- one was for the brake power, and the other was for trailer power for lights and charge trailer battery. The post Maxi fuses were marked and in with the other fuses. Check the underside of the fuse box cover.Buy a 2017 GMC Sierra 1500 Trailer Brake Control Harness at discount prices. Choose top quality brands Hopkins, Tekonsha. ... Online Catalog; Brands; Shop By Make; Customer Service; Retrieve Quote; Track Order; View Cart; Checkout; Search. Go. Search. Make/Model. Checkout. Call To Order: 1-800-541-9352. ... Trailer Brake System Connector ...10786 posts · Joined 2009. #3 · Mar 18, 2022. If your ABS light is on there should be a fault (DTC) at the same time. If you have an ABS light on in the dash, the service trailer brakes, Stabilitrak, and the traction control light will automatically display just because the ABS is not functioning, so fixing the ABS problem automatically takes ...Summary: This preliminary information communicates a diagnostic tip for a service trailer brake message with DTC c111b C1112 C1113 c1114 advising to address any battery issues first before any in depth diagnostics are done. View This TSB. TSB Number: PIT5241E. NHTSA Number: 10157010. TSB Date: September 15, 2017.3 Step by Step Guide How to Turn Off the Trailer Brake System. 3.1 1. Start Your GMC Sierra. 3.2 2. Access the Dashboard Controls. 3.3 3. Locate the Trailer Brake System Settings. 3.4 4. Select the Option to Turn Off.. Chevrolet Silverado 2017 Oct 18, 2016* Oct 21, 2016* All 2017 Silverado 3500- Service Trailer Brake System" message **A Silverado sierra "service trailer brake system" easy and cheap fixTrailer brake control for 03-07 gmc sierra 1500 2500 3500 Titan wiring controller sierra needatrailerGmc sierra hd using the trailer brake controller. Gmc brakes replace 2500hdGmc 2500hd brake brakes etrailer controller 2012 gmc sierra trailer wiring diagram2014-2017 gmc sierra ...Sierra 2500 Denali 6.0L. Automatic transmission. 775 miles. ABS warning light, Stabilitrak warning light with service message and trailer brake system service message all at once. No trailer ... The truck is a 2022 3500 duramax. It's brand s 25 posts · Joined 2021. #1 · Jan 9, 2023. Every now and then when I start my truck (2017 Silverado LTZ Z71 L83 and 8L90) I get these notices that say "Service Trailer Brake System" "Service Stabilitrak" and the ABS light turns on. Back in October I had an issue with the trans wiring and paid $1,200 for a new wiring harness to be ... Now with the trailer connected to the 7-pin plug, I am n...
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