Owner-reported complaints naming the brake system, filed with NHTSA
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Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake. Every record below is an owner-reported complaint about the 2015 Chevrolet Silverado 1500 submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 372 reports on file name it.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
The 25 most recent of 372, in the owner's own words
I have a 2015 Chevy Silverado, when I am breaking, especially in stop-and-go traffic when I need to my use brakes a lot. My brake pedal will be get stiff and is accompanied by extended stopping distance to a point where I almost hit the vehicle in front of me.
I test drove a 2026 Silverado 1500 at Hanania Chevrolet in Saint Augustine Florida on [XXX]. Before the test drive, I advised the salesperson in the rear seat that the Service Brake Assist light was on at the instrument panel. He advised that the light needed to be reset and he would have it taken care of. I returned to the showroom to complete the required paper work and the vehicle was cleaned and returned in front of the showroom. I drove the vehicle on [XXX] after driving a short distance the "Service Brake Assist" light again came on. I notified the service department on 6/1/2026 and drove the vehicle back to the dealership. The service advisor indicated he was going to have his best Technician repair the vehicle. I arrived at12:33 and the vehicle was completed at 12:56 PM I drove the vehicle back to my home without any issues. I left my home on [XXX] and as I turned onto the Interstate Highway, the light came on once again. After researching this issue, it is not advisable to drive the vehicle as the Antilock Braking System will not operate correctly. This vehicle should NOT have been available for any prospective customer to drive on the highway until the issue is corrected. The sales person should have verified that the brake issue was properly repaired before offering anyone a road test in the vehicle. The vehicle is currently at the Dealership. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
the brake pedal goes hard and you have to slam on the brakes, to get the truck to stop. The brake assist is not working. on 10/30/2020 I took the truck in for the recall and they reprogrammed the ECM the problem stopped. Well there was second recall, but the brake system was functioning. The brake system is now not functioning, and they are telling me the recall is expired, even though I took my truck in for the first recall to have it fixed.
The contact owns a 2015 Chevrolet Silverado 1500. The contact stated that while approaching a stop sign, the brake pedal was depressed but traveled down to the floorboard, and the vehicle failed to respond as intended. The vehicle eventually came to a stop. No warning lights were illuminated. The failure was intermittent. The vehicle was taken to an independent mechanic who diagnosed that the brake vacuum pump needed to be replaced. The vehicle was not repaired due to the cost. The vehicle was then taken to the dealer, who confirmed that the vacuum pump had failed and needed to be replaced. The vehicle was not repaired. The contact stated that the failure persisted. Upon investigation, the contact related the failure to NHTSA Campaign Number: 19V645000 (SERVICE BRAKES, HYDRAULIC). However, the VIN was not included. The manufacturer was not made aware of the failure. The failure mileage was approximately 187,000.
Driving the truck, a nut fell against my foot. I pulled over and looked underneath to where this Nut could have come from. I realized that the brake pedal was very loose. I did a Google search to see what break pedal Nut could have loosened and Fallen off. I identified that there was a recall for the brake pedal pivot nut on these trucks. From that, I looked up to that section and found that the nut did indeed come from that part. I called the local Chevrolet dealership and they informed me that my VIN number was not part of that recall list. It is obvious that General Motors left the numbers off of that recall for vehicles that are still being affected by that problem. I called General Motors customer service and spoke to Brandy at customer service and she was not willing to help and only told me to contact this government agency. In order to prevent fatalities of innocent lives, I am reporting this.
Brake pedal bolt came loose and fell off. Brake pedal was difficult to use. There was a recall for this issue on 2015-2016 2500 and 3500 series trucks but not 1500 series. I have a video of the brake pedal condition but it will not let me upload it.
I am the original owner of a 2015 chevrolet silverado 1500. The vehicle's brake vacuum pump has failed, resulting in a sudden, significant loss of power braking assist. This requires excessive pedal force to stop the vehicle, creating an immediate safety hazard and increasing the risk of a crash. General Motors previously issued special coverage adjustment N192210240 ( or N182202780 ) to address this specific component failure, extending warranty coverage to 10 years or 150,000 miles. I never received notification of this coverage or the potential safety defect. The dealership has confirmed the vacuum pump failure but denied coverage because the 10- year window has recently expired. I contacted GM Corporate on 12/16/2025 and 12/17/ 2025 they declined GoodWill Assistance. I believe it is unreasonable to deny coverage for a know safety defect on a vehicle owned by the original purchaser who was never properly notified of the extension on N182202780.
I pulled into a parking lot, and into a parking spot. I put the truck in reverse to back up and straighten the truck, when I started to pull back in the brake pedal became hard to press. I had to stand up on the brake pedal to keep from hitting the car parked in front of me. It also happened another time while backing out of a parking spot when someone walked behind the vehicle, and I had to stand on the pedal.
Vacuum pump for brakes . My brake pedal get hard
Vacuum pump failed causing an anti-lock brake failure and destroyed all my brake pads and rotors. General motors and the dealership are only covering the vacuum pump, but require me the customer to pay for the brake pads, rotors, and installation fees. GM had the dealership perform 3 days of testing to verify that it was the vacuum pump. I was hauling a camper with my truck when it failed with my 2 young children inside and the truck ground to a halt while shaking violently scaring my children. I had to have the vehicle towed due to how dangerous the issue was.
Unknown : vehicle vacuum pump for Braking assistance causing the vehicle to not be able to stop possibly crashing.
The contact owns a 2015 Chevrolet 1500. The contact stated that while in the driveway and reversing at a very slow speed, the brake pedal became extremely firm while depressed, and the vehicle failed to stop before striking another parked vehicle. During the failure the contact was depressing the brake pedal with added force, but the vehicle failed to stop. The parked vehicle sustained damages to the front bumper. The contact stated the brake failure had also occurred while driving and while reversing at slow speeds. The cause of the failures were not yet determined. The manufacturer and local dealer were not contacted. The failure mileage was 197,000.
GMC knows there is a problem with the Vacuum Pump Assembly/Belt Kit and are refusing to recall it. The breaks are harder to press (see attachments) and the alarms are constantly dinging. My truck has less than one hundred and fifty miles and I bought it 12/07/2015, they have a special warrant on these vehicles but will not honor it. This is dangerous not to have the proper breaking power.
-Vacuum pump malfunction. Not available, has already been repaired. Found out after the fact there had been a recall on 2014-2018 vacuum pumps. Mine had not been included in the recall, yet here we are. -While pulling into a parking spot, as I was slowing down/braking the pedal went to the floor, truck accelerated went over a parking barrier, sidewalk and hit a tree. If I had not hit the tree, I would have driven into the side of the building into people doing cardio or if someone had been walking in front of me, I would have hit them. Seeing an orthopedist on June 10 for right hip and knee pain as leg was fully extended on impact. -Quality GMC Collision/Service tested/drove the car and it didn't happen. Service ran diagnostics and it happened then. Highlighted in yellow on repair invoice. -Quality GMC Collision/Service. don't know if an adjuster looked at it or not. Quality did file a claim for it though. - There was no warning, indication, message, problem before this happened. My brakes were were working and then they weren't.
The contact owns a 2015 Chevrolet Silverado 1500. The contact stated while driving in traffic on a main road at approximately 3 MPH, while attempting to slow down, the brake pedal was depressed; however, the vehicle failed to respond as needed. The contact pumped the brake pedal and the vehicle responded as needed. There was no warning light illuminated. The vehicle was taken to a local dealer where the vehicle was diagnosed, and the contact was informed that the brake booster was faulty and needed to be replaced. The vehicle was not repaired. The contact referenced NHTSA Campaign Number: 19V645000 (SERVICE BRAKES, HYDRAULIC); as a possible cause for the failure. The manufacturer was notified of the failure. The approximate failure mileage was 71,000.
The contact owns a 2015 Chevrolet Silverado 1500. The contact stated that the vehicle was taken to the dealer for an air bag recall, the contact was asked to move the vehicle forward and stop at a certain spot; however, the vehicle failed to stop immediately when the brake pedal was pressed. The contact had to apply an excessive amount of force on the brake pedal for the vehicle to roll to a stop. The dealer informed the contact that the failure was related to NHTSA Campaign Number: 19V645000 (Service Brakes, Hydraulic); however, the VIN was not included in the recall. The contact was informed that the brake booster had failed and needed to be replaced. The vehicle was not diagnosed or repaired. The failure persisted and had occurred several times. The failure was most persistent when on an incline, in reverse, and during colder weather. The manufacturer was not made aware of the failure. The failure mileage was approximately 70,000.
The contact called on behalf of his son who owns a 2015 Chevrolet Silverado 1500. The contact stated that while his son was driving 20 MPH, while depressing the brake pedal the brake pedal was very stiff. There was no warning light illuminated. The contact’s son was able to continue safely driving to the residence. The local dealer was not contacted, and the vehicle was not diagnosed. The contact who is a mechanic diagnosed the vehicle with vacuum pump failure. The contact repaired the vehicle. The contact referenced NHTSA Campaign Number: 19V645000 (SERVICE BRAKES, HYDRAULIC); as possible cause for the failure. The manufacturer was not notified of the failure. The approximate failure mileage was 180,000.
Pulling forward in my driveway and my breaks went stiff
I received the recall notice and then the special warranty notice, fall of 2019. I took my vehicle, which was experiencing the braking issues described in both notices, to Nereson Automotive in Detroit Lakes, MN. I did call ahead & had an appointment and informed them of the letters and the problems both on the phone and in person when dropping the vehicle off for repairs. After they called me and told me they made all the repairs and had the vehicle in good working order again, I picked up my 2015 Chevy Silverado High Country (approximately 107,000 miles) and while still on the lot I experienced the same braking issues. At that point I just figured it was something that I would have to deal with. After almost 5 years of dealing with the intermittent annoyance, I started doing some research on how to fix it myself and came across a mechanics instruction on how the recall and special warranty was supposed to be performed. I called them back and scheduled another appointment pointing out they were supposed to replace the vacuum pump in 2019 and I informed them (Ty) the radio and DIC on my truck would randomly change menus and stations and wanted them to reflash the computer system (which they did not do, and also charged me over $150 for a bogus diagnostic fee afterward). After I dropped my truck off for repair (again) (approximately 158,000 miles) I received a call and they said the special warranty is expired because I was approximately 8,000 miles over the extension. I informed them I had brought them the truck in 2019 to have the issue fixed and they did not fix it under warranty at that point. They said there was nothing they could do to help fix this important SAFETY RECALL. Now, I have complete brake assist failure and a dealer that seems to be ignoring the recalls and cutting corners. I called GM Customer Service and they said I have to work it out with the independently owned dealer. I called back yesterday (XXX) and they still refuse to fix the recall. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INF
Low speed brake failure sometimes
Vehicle shuts off when stopping. Everything goes dead. It will eventually start again, but very annoying. What happens when it shuts off going down the highway? No power steering or power brakes, that's what!
The trailer braking system keeps chiming and going on and off ever 1-2 sec. Detracting and over rides all other information on screen. Including speed. Has been happening for months and now consistently.
the brake booster stop working or shortated out and broke the belt now the brakes are hard to push while i was driving
The contact owns a 2015 Chevrolet Silverado 1500. The contact stated that on several occasions when the vehicle was started, the ABS warning light illuminated intermittently. The vehicle was taken to a dealer however, the failure was not duplicated. The manufacturer was not notified of the failure. The failure mileage was approximately 145,000.
At 10mph to 30mph every other week I will get a sudden brake lock up and release for a split second. There are no codes that get thrown, it is very dangerous... being a disabled veteran, I did check is it says all my recalls have been done but I don't think they were done right.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Categories with enough reports to have a page of their own
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