2015 GMC Sierra 1500: engine failure

Filed Jan 22, 2026 · Engine · AL

The engine seized up traveling about 40MPH in the middle lane on a busy road with my child in the passenger seat. I was able to get off the busy road but part of my truck was still intruding into the lane. The truck is parked at my house. The vehicle has not been inspected by anyone and is still in the same condition as the day the engine seized. The only thing that indicted any issue was a couple popping noises right before the engine seized. It all happened while I was driving in traffic and I did not notice any indications on dash. I was more concerned about getting off the road and out of traffic before I got rear-ended or involved in a pile up.

Filed Nov 2, 2025 · Engine · FL

While driving the vehicle at approximately 40MPH the motor made a tapping sound, I was able to pull into a parking lot and have the vehicle towed to the dealer. The dealer told me that the vehicle was out of warranty and appeared that under initial inspection the would have to rebuild the motor due to a lifter failure at the estimated cost of $18,000. I had the vehicle towed to a reputable repair shop and after the did a tear down to the small block they determined a bent push rod and broken lifter, all pushrods and AFM lifters were replaced at the cost of $10,754. dollars as invoice shows. The issue occurred again on 10/25/25 causing catastrophic failure that will cost me a complete engine replacement.

Filed Mar 5, 2025 · Engine, Transmission · MA

In the fall of 2023 my 6.2L V8 with only 107,565 well maintained Miles completely seized up and shut off without any warning lights or other indications of failure. I was going up a steep hill and luckily I was able to get to the side of the road by coasting backwards to a stop and fortunately no one else behind me at the time. I did not get my truck back until late spring of 2024. I paid over $13k out of pocket to replace the engine because of this issue that is known to many other GM truck owners. Prior to catastrophic engine failure I’ve had multiple services including replacement of torque converters which would cause the truck to shake violently when shifting along with violent shifts in the 8 speed transmission and at times the feeling of being rear ended when slowing down or coming to a stop which GM claims to be “normal operation”. The engine failure was never investigated by any other parties but was looked at by the dealership service department. Both violent shifts and torque converter shutter were also confirmed by the dealer but only fixed with what I consider to be temporary remedies.

Filed Nov 24, 2021 · Steering · LA

Becomes hard to turn steering wheel at slow speeds, more often while in reverse. On one occasion, a Stabilitrak message popped up as a warning and then the engine died. Does not happen every time but has happened enough to take it to the dealership. They concluded that it could not be duplicated so they could not properly diagnose the issue. They had the truck for 3 days of testing. The engine failure is seriously concerning to me due to having my children with me most of the time.

Filed Aug 19, 2021 · Steering · LA

Lost power steering and engine died while turning into lot across oncoming lanes. Oncoming traffic luckily stopped and I placed truck in park, restarted and completed my turn. 4th time I lost power steering and truck died.

Filed Jun 28, 2021 · Electrical, Engine · CA

Power steering goes out and at time turn truck power off whenever i attempt a slow tight turn like backing into my driveway or making tight turns going into parking lots and/or spaces. Most recently, when attempting a u-turn at a busy intersection, power steering went out and engine died. I had to coast to the side to avoid moving traffic. Each time this issue happens i hear 3 dings all my dash & screen lights flash off then on with clicking noises. Dash info changes from speedometer to radio setting. If i look at screen quickly enough when this happens i would sometimes read “rear parking assist unavailable” or something like that. If air conditioning is on it would turn off then on. Doors will unlock then lock, all this happening simaltaneously while attempting to make a turn

Filed Jun 29, 2020 · 32,905 miles · CO

I bought this new on jan 3, 2016 on july 26 26, 2019 while from waco to ft. Worth texas, my AC compressor seized and blew destroyed the serpentine belt. I had to replace the AC compressor and belt. 31,000 miles but out of warranty. Last week I was driving home from work and felt the AC was again blowing hot air. I took it in and today 06/29/20 I have to replace the AC condenser as it has a leak at a weld point. I have read dozens of complaints that this is a known issue and defect. I will now be out over $2,000 for a known problem and issue. I have read the tsb, watched news reports and on-line forums. The tech at my dealership said this is a super common problem with these vehicles. That seems like it would lead to a recall.

Filed Nov 13, 2019 · Electrical, Engine · 25,000 miles · FL

Tl* the contact owns a 2015 gmc sierra 1500. While driving and turning into a shopping center, the entire vehicle shut off, including the engine, electrical system, and instrument panel. The steering wheel also seized along with the windows. When the contact stopped and restarted the vehicle, the control panel and odometer display delayed to show the correct reading and the clock had to be reset. The display instructed the contact to roll the window down and back up. The contact had to wait several minutes to get power to restart the vehicle. The failure had occurred three times every three months. The contact was able to restart the vehicle and drive home. The vehicle was taken to regal gmc (2615 lakeland hills blvd, bldg 3, lakeland, fl 33805, (863) 262-4222) for a recall repair. The dealer was unable to locate any failure codes. The contact was informed to schedule another appointment. The manufacturer assigned a case number to the contact and stated that an urgent senior representative would call the contact back. The failure mileage was 25,000. The VIN was unknown.

Filed Oct 10, 2019 · Steering · 50,000 miles · NY

Tl* the contact owns a 2015 gmc sierra 1500. While driving 35 MPH, the steering wheel seized for approximately four seconds and then returned to normal as the electronic power steering warning indicator illuminated. The vehicle was taken to king o'rourke cadillac (756 smithtown bypass #101, smithtown, ny 11787) where it was diagnosed that the rack and pinion needed to be replaced. The vehicle was not repaired and the failure recurred three additional times. The manufacturer was notified of the failures and provided the contact with case number: 9-5531623116. The vehicle was currently being investigated by the manufacturer. The failure mileage was 50,000.

Filed May 20, 2019 · Brakes · 75,000 miles · MA

Low speed brakes hard and takes time to slow and stop. Brakes seized backing down driveway 2xs. Got notification from gmc that they are aware the vacuum /power my be defective and if you experience this problem the dealership would fix it at no cost but ot had to have less then 72,00 miles. Drop it off at our dealership and they claim no problems found. They had for 3 days and just drove it around with a computer hooked up to it. Said no codes came up so they are not bothering with it. Pick it and still the same. Husband went back. They don't want to bother cuz the milage is over 72,000. We have 75,000. I am afraid to drive it. They need to be recalled for the vacuum /power brake issue. Our truck is only 4 yrs old and we paid big money for it. We live chevy/gmc. We would never own anything else. Recalk is needed.

Filed May 20, 2019 · 32,000 miles · TX

Takata recall 2015 gmc sierra 1500 bought it new. Started haveing may a 2016 the AC went out and I was traveling and 3 of the pistons stop working so I took it to a near gmc dealership they got repaired a trip made it back home for months later my engien stop working they said they needed to get the computer tested in case I damaged the engine and was proving that I didnt couse no damage engine they replaced the engine a year later in 2017 around december the transmission and gmc replaced that god it was still under warranty and now again in 2018 and november my AC went out again I'm haveing attained to fix it because of what they charge to replace it a new vehicle am still paying and so many problems what am I really paying for junck. I have had a 2013 with no problem that's y I upgraded. Believe me I dont think.of up grading any more my truck is at 90.000 miles not am suck fixing a $50.000 truck it's sad.

Filed Dec 3, 2018 · Brakes · 49,000 miles · PA

Tl* the contact owns a 2015 gmc sierra 1500. While driving 5 MPH, the brakes seized. While driving over 5 MPH, the brakes performed normally. The vehicle was taken to baglier buick gmc (248 pittsburg rd, butler, pa 16001, 742‑602‑4676) where it was diagnosed that the vacuum pump fractured. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 49,000. The VIN was unknown.