Integrated Trailer Brake Control Problems of GMC Sierra 1500

The contact owns a 2020 GMC Sierra 1500. The contact stated while driving 40 mph, the vehicle failed to properly respond. There were no warning lights illuminated; however, the message esc was displayed. The contact stated that the brakes, steering, and a message to check the trailer brakes was also displayed. The contact pulled over to the side of the road and the brake pedal was depressed several times however, the brakes failed to respond, and the vehicle was difficult to control. The vehicle was towed by aaa and then towed to a dealer however, the vehicle was not yet diagnosed. The contact stated that the brakes were inoperable, and the control center was destabilized. The vehicle was not yet repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA hotline. The failure mileage was approximately 125,000.

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My truck had smoke rolling out at work when I noticed it. Tried to put it out it burnt my hands ! destroyed the inside I had it towed and insurance investigator said it was do to a brake controller for the trailer. And I took it to get estimate and the service dept said it was do to brake controller my truck was totaled my wallet toast my coat was toast my I phone my deposit my truck I drove daily to work out of and personal. General motors would not help I called the. First. Then I was frustrated called my insurance they started a claim and low balled me now I lost 2 months of work bills stacked and low ball price on what the offer was) and haven’t gotten one yet. Called gm back they said I had an active claim they woundenr help it’s there defect I lost my job my mind etc on this. Two investigators state the same thing even there service dept. A gm service dept said the same thing. No warning indicators at al I will never buy another truck. The safety issue is people driving around not knowing. The 2500 and 3500 have them. Looked it up the plant that made my truck left the parts for manufacturing outdoors they got wet. It’s on the internet people r gionbg to get hurt. Lucky I was outside when my was on fire. Please help on the matter. Thank u.

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Trailer brake system error comes on. I dont even own a trailer or have ever towed a trailer. It cuts power momentarily and is very very unsafe. Please fix before someone gets hurt.

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The contact owns a 2017 GMC sierra. The contact stated while driving 70 mph the vehicle began to brake with out depressing the brake pedal. The contact stated that the "trailer brake service" and the "service brake" warning light were illuminated. The contact pulled off the road safely and drove the vehicle to his residence. The contact had not taken the vehicle to a local dealer. The vehicle has not been diagnosed or repaired. The contact had received a recall letter from the manufacturer. The manufacturer had not been informed of the failure. The failure mileage was approximately 14,230. The VIN number was unavailable.

The contact owns a 2016 GMC Sierra 1500. The contact stated while driving at various speeds, the service trailer brake system warning light illuminated with an audible sound. The vehicle was not taken to a dealer or an independent mechanic to be diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was unknown.

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The contact owns a 2015 GMC Sierra 1500. The contact stated that while driving at various speeds, the warning message "service trailer brake system" was displayed along with an audible warning chime although no trailer was being towed. The vehicle was taken to the local dealer who was unable to duplicate the failure and no service repairs were performed; however, the failure recurred intermittently. The manufacturer was not notified of the failure. The failure mileage was 90,000.

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Tl the contact owns a 2015 GMC Sierra 1500. The contact stated that the weight of the trailer cord made the cord hang. As a result, the trailer brake became nonfunctional. The trailer could not haul heavy materials and was a hazard to the contact's safety. Also, "trailer brake fail" appeared on the instrument panel. The vehicle was driven to joe fuoco motor company (741 n 1st st, grand junction, CO 81501, (970) 701-4773), but was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was 42,000. The VIN was unknown.