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Problem with GM ITBC trailer brake controller please help

Question: - Problem with ITBC trailer brake controller
On my 2014 GMC Sierra 2500 I am having trouble with the integrated trailer brake controller (ITBC). The truck is not throwing any codes, simply the trailer brakes are not putting out anything. As if the trailer is not connected. With the wiring connected, whether stepping on the brake Integrated Trailer Brake Controller Will Not Work With NewDIC "Service Trailer Brakes" questionDually needs rear brakes.!Service Trailer Brake System on DIC WTF??See more results
GM integrated trailer brake controller problem | NC4x4
The facts. My dic started showing "service trailer brake system" a couple of weeks ago and it will lose trailer brakes at the same time. Key off and then back will clear it for awhile but it always comes back. Scanned it and have replaced the brake light switch and harness, controller relay and m/c pressure switch. Still not fixed.Enclosed trailer tire and axle thoughts..Dana 489 Bolt In Axle AssembliesFactory trailer brake control issueHaving issues installing ball joint on dana 44 axleSee more results
Troubleshooting the Electric Trailer Brake Controller on
For your 2011 Chevy Silverado 2500 with integrated brake controller, the brake output wire will run directly from your controller to the 7-way. You can test the 5 o'clock pin of your connector for braking function using an incandescent tester like # PTW2993.
factory trailer brake controller problem | Chevy and GMC
My brake controler would come up with errors if I had a trailer connected with brakes on it. No trailer brakes, no problem. Dealer swore it was my trailer brakes so rewired them (need to be done anyway) with no lick. Dealer finally found bad ground from brake controller Service Trailer Brake System | Chevy and GMC DuramaxBrake Controller Problems | Chevy and GMC Duramax Diesel ForumNo Output from Integrated Trailer Brake Controller | Chevy2008 Chevy 2500HD Brake Controller Issue | Chevy and GMCSee more results
Problems with integrated brake control - GM-Trucks
VERY thin wires in the harness. Could be the issue although he said this GMC would throw a message in the display, "Service Trailer Brake System" every time truck was started. He said the controller is located at rear under the spare tire. PS - GM will not allow them to replace the harness, must repair. Edited July 14, 2018 by elcaminoMy 2017 Silverado has the trailer equipment package and factory integrated brake control. I just bought a travel trailer and assumed once I plugged..It should be controlled on the left side if it's like mine. I'm not an expert, but I did mess with it and just hit + or - and the gain popped up. I..On vehicles with the Integrated Trailer Brake Control (ITBC) system, turn the trip odometer reset stem until TRAILER GAIN and TRAILER OUTPUT displa..I have a service appointment Monday morning. I have the intergraded switch and rpo code in glove box. Even when I press the + or- the gain screen w..On my truck, a 2017 Sierra Denali you have to be in tow haul mode. My 2015 was the same, engage tow haul mode (and trailer connected) and that the..I tried that as well. Sucks cause i just bought a travel trailer yesterday to take out of town now i have to take it to my buddies for a week till..Does it work though? I mean can you stop the trailer with the dash controls? On the Denali when Tow Haul Mode is selected the dash display changes..No. Even when manually activating brakes on dash with IBC it does not apply brakes. All my lights work. Just no brake control options pop up and th..Friend is a tech and he just told me they have seen an increasing number of these with broken wires in the harness, new trucks with low miles. Said..I posted this issue on Facebook and a friend commented he had the same issue. No controller function at all. There was a connection behind the spar..People also askHow do I know if my brake controller is receiving power?How do I know if my brake controller is receiving power?To determine if the controller is receiving power, you can use a circuit tester like part # 40376 on the black wire that feeds the controller to ensure power is reaching the controller. Next, check the red brake controller wire with the tester. This wire should show current when the brake pedal is pressed.Troubleshooting Electric Trailer Brake System on TrailerSee all results for this questionWhy is my CHMSL brake not working?Why is my CHMSL brake not working?Once again, have a helper activate the manual brake lever while testing. There are some other issues that might be causing your problem. If the trailer brakes will operate with the manual switch, but not when the truck brakes are applied, check the CHMSL fuse in the fuse box under the hood.Troubleshooting Electric Trailer Brake System on TrailerSee all results for this questionWhere is the blue wire on a brake controller?Where is the blue wire on a brake controller?If you do not show any power at this pin, then there is a break somewhere in the wire between the brake controller and the trailer connector. Check that the blue wire is securely attached at the rear of the connector. You can trace the blue wire back toward the front of the vehicle, looking for breaks in the wire.Troubleshooting Electric Trailer Brake System on TrailerSee all results for this questionFeedback
Trailer Brakes Not Working - GM-Trucks
SouthpawHD, my travel trailer had a Bargman molded 7 plug and it was not a tight connection on my 2015, but was on my 2009. I have replaced it with the Pollak 12-706 7 plug that GM recommends in a TSB (I can't find the TSB number at the moment, as soon as I find it , I will post it).Picked up my TT with my new truck for its first tow and the trailer brakes aren't working. The DIC says "SERVICE TRAILER BRAKE SYSTEM". The manual..Check you fuse under the hoodI wound up replacing the trailer electrical cord. Do all of the lights operate as they should, turn signals and all?All the lights work as they should. I will check fuse tonight when I get home. It's raining now, so it'll have to wait. I think I am going to call..Took my truck to my local RV dealer, and per their test machine, everything is operating per normal on the truck, including the brakes. We were abl..SouthpawHD, my travel trailer had a Bargman molded 7 plug and it was not a tight connection on my 2015, but was on my 2009. I have replaced it with..That's great info, thanks!!! I will order one right away as that's still cheaper than taking my trailer in for a check. Edit: on second thought, si..had same problem, make sure plug is all the way in with the cover latching bottom of plug. Otherwise plug is loose causing service trailerWe get this with built in brake controls and high end aftermarket systems. 99% of the time there is a cooked magnet or shorted wire inside one of t..SouthpawHD, towed my travel trailer about 150 miles to campground yesterday and had zero issues.
Problems with factory brake controller - Chevy Truck Forum
Z15, i wasnt really expecting anything. It was my first shot at a factory chevy brake controller. I had no idea what it would do. And it is not the trailer it got hooked up to a truck with a prodigy controller and worked fine. Eli you are correct that the dashes are not the readout.
Integrated Trailer Brake Control Problems of Chevrolet
Chevrolet Silverado 2500 owners have reported 2 problems related to integrated trailer brake control (under the electrical system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Chevrolet Silverado 2500 based on all problems reported for the Silverado 2500.
Troubleshooting Electric Trailer Brake System on Trailer
If the connectors are in good condition, have a helper activate the manual brake switch on the controller, while you use the circuit tester on the brake output pin on the trailer connector. The pin in the 5:00 position is the brake output.
How to Check a Brake Controller Without a Trailer | It
Electric trailer brakes must be controlled by a brake controller mounted in the towing vehicle within easy reach of the driver. This allows quick and easy adjustments to the controller to provide for different levels of brake application for varying trailer loads. This adjustment regulates the voltage available for
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