Afm activated, lifter failure occurred. Engine cel blinks erratic engine behavior sudden loss of power and braking. Transmission starts shifting in and out of gears high low, severe bucking, high engine revving, cylinder misfire. Hard to stop very slow acceleration due to transmission in wrong gear and loss of power due to collapsed lifter. This is a major problem that GM is well aware of my 2007 Monte Carlo had same issue 8 years later the problem still exists. The vehicle is still under warranty and im sure they will cover the lifter all lifters should be replaced. And afm should be disabled.

- Kingston, NY, USA

The cabin of the vehicle fills with carbon monoxide. This is known because a 4 gas monitor in the vehicle read carbon monoxide levels in excess of 400 ppm. The source of the leak after being taken to the dealership was found to be a broken bolt in the exhaust manifold. The parts only estimate was $1,700 with approximately 9 labor hours. Online research found numerous complaints. Failure to correct the condition may lead to drivers fainting while driving and cause brain injury to a child or infant. A leak in the exhaust before reaching the catalytic converters also results in possibly excessive untreated emissions. The exhaust leak may or may not pose a fire hazard.

- Arlington, TX, USA

The contact owns a 2015 Chevrolet Silverado 1500. While driving 45-60 mph, the vehicle vibrated, shook, and struggled to accelerate. There were no warning indicators illuminated. The vehicle was taken to flow GM auto center of winston-salem (1400 S stratford rd, winston-salem, nc 27103, (336) 937-9049), but the failure could not be duplicated. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was 38,000.

- Jonesville, NC, USA

The contact owns a 2015 Chevrolet Silverado 1500. The contact stated that the steering wheel seized when turned and an alarm sounded. On several occasions, the steering failed and the vehicle stalled. The contact placed the gear into neutral and restared the engine immediately. The vehicle was taken to an unknown dealer where it was test driven, but the failure could not be duplicated. The manufacturer was not contacted. The failure mileage was 21,000.

- Pittston, PA, USA

The contact owns a 2015 Chevrolet Silverado 1500. The contact took the vehicle to karl tyler motors (675 N Montana St, dillon, mt 59725) to be repaired per NHTSA campaign number: 19V645000 (service brakes, hydraulic). The mechanic stated that the radiator leaked and needed replacement. The vehicle was not repaired. The manufacturer was notified of the failure and provided case number: 9-55994169837. The approximate failure mileage was 78,000.

- Dillon, MT, USA

The contact owns a 2015 Chevrolet Silverado 1500. While driving 5 mph and making a right turn, the vehicle seized and lost power without warning. When the vehicle was turned off and restarted, it resumed normal operation. The failure occurred three additional times while driving various speeds. The vehicle was taken to mark Chevrolet (33200 Michigan ave, wayne, mi 48184, (734) 307-0785) where it was diagnosed that the ECM needed to be updated. The vehicle was not repaired and the failure recurred. The manufacturer was made aware of the failure. The failure mileage was approximately 42,000.

- Belleville, MI, USA

The contact owns a 2015 Chevrolet Silverado 1500. While driving 10 mph, the steering seized and the vehicle stalled while turning into a neighborhood. Sellers Buick GMC (38000 grand river ave, farmington hills, mi 48335, (248) 579-8383) was contacted and stated that there were no recalls. The contact scheduled an appointment with the dealer to see if the vehicle could be repaired under an extended warranty. The manufacturer was not notified. The vehicle was not diagnosed or repaired. The failure mileage was 64,000.

- Garden City, MI, USA

The contact owns a 2015 Chevrolet Silverado 1500. While driving various speeds, the vehicle suddenly shut off while making a turn in either direction. The failure occurred on twelve separate occasions. The vehicle was taken to dave gill Chevrolet (4700 E. broad St, columbus, oh), but the cause of the failure was not determined. The manufacturer was notified of the failure. The VIN was not available. The failure mileage was 32,000.

- Westerville, OH, USA

The contact owns a 2015 Chevrolet Silverado 1500. The contact stated that the air conditioner was not functioning correctly. The vehicle was taken to an independent mechanic where it was diagnosed that the condenser needed to be repaired. The vehicle was not repaired. The contact was concerned for his safety if the failure were to occur during hot, inclement weather. The dealer and manufacturer were not notified. The failure mileage was 74,298.

- Nanticoke, PA, USA

Bad lifter causes engine failure at 100,006 miles. Engine had to be replaced. Transmission has extremely hard shifts from park to reverse, and slips between 5th and 6th. Doesn't throw any codes so dealer says it's fine.but it's obviously ruining itself. Reading all these transmissions complaints I can't believe it's not recalled

- Evergreen, CO, USA

My truck engine started shaking really bad out of nowhere as I was driving on the freeway I immediately exit the freeway because the truck felt like it was force to drive and the shaking never went away. The light for the engine on the dash board starting turning on and off as I drove the truck slowy out of the freeway. The engine light had never turn on before this incident. I took my truck immediately to Firestone, that's where I do all my truck services. They run some test to see what could be the problem and determine what they needed to do to fix it. After inspecting my truck they found that my engine had a issues an it need it to be either fix or replace. They ask to to take it to the dealership where I purchase my new truck at the time that I bought it and to explain to them that the engine was bad and they need it to check the problem because their is a tbs in this particular engine and it could be one of the defective engines that were made dtc P050D and P0300 are the codes. Reference #pip5498K. But if though I had that information to the. Dealership service technician he ignored that an told me that I order for them to look at my truck for that problem that I needed to pay for the services that was $2500. I explain to him that it could be a defective engine from them but he did not care about that because I was over my warranty coverage so in order for them to inspect it I had to pay. And didn't want to help me.

- Van Nuys, CA, USA

The contact owns a 2015 Chevrolet Silverado 1500. The contact stated that the vehicle shook and shimmied extensively. Also, the check engine indicator flashed while the vehicle was being driven. The vehicle was quickly maneuvered off the road. The vehicle was turned off and restarted. An independent mechanic diagnosed the vehicle and found two unknown diagnostic trouble codes. The contact was informed to check with the dealer. Keyes Chevrolet (5949 van nuys blvd, sherman oaks, ca 91401, (818) 933-3000) indicated that the vehicle was not under warranty or included in a recall. The dealer stated that the engine would need to be taken apart for further extensive diagnostic testing. The vehicle was not repaired. The vehicle was not included in NHTSA campaign number: 14V007000 (engine and engine cooling). The manufacturer was notified of the failure. The failure mileage was not available.

- Van Nuys, CA, USA

The weld on the air conditioning condeser has broken on the drivers side. This is causing the freon to leak out of the vehicle. This causes extremely high temperatures in the vehicle, and also causes the windows to fog up.

- Barnesville, MN, USA

My truck is 3 years old I was driving my vehicle in Florida and my air conditioner went out. The dealership stated the part was made poorly and my children that are 2 and 6 months had to drive in the heat with no air due to it going out and them not being able to fix in 48 hours.

- St Johns, FL, USA

My truck has a stuck lifter

- Vero Beach, FL, USA

While driving slow and making a hard left turn everything flashes off 0N dash, then on, on dash, but engine shuts off causing steering and braking safety concerns, this has happened three times in last two week took it to dealership they couldn't

- Tulare, CA, USA

Transmission experiences a shudder that cycles every 3 seconds. The torque converter had been replaced but after 45000 miles it has returned. Dealer has recommended a new type of transmission fluid replacement. Also had a afm lifter that collapsed and was replaced.

- Katy, TX, USA

So many problems with it. Chevy went from offering to lemon law it out to sitting back waiting on an intel to finish killing me. They sabotaged truck or its a horrible problem. Air bags did not deploy at 45 mpg fron tend collission. I could have died. They dont care. 1 year later, no one came to look at it. They delay me day ater day

- Live Oak, CA, USA

Hello just wanted share this about my 2015 Chevrolet Silverado my started making a strange knock sound sqealing noise on engine so took it to Chevrolet dealer to have it ckecked out they called me and told that it had exhaust manifold bolts broke off in engine block it will cost $4000 dollars to repair I feel that is a GM manufacture issue even my extended warranty will not cover this problem I feel that shouldn't pay someone needs to investigate why these bolts broke off

- East Bernard, TX, USA

Was driving on freeway, was changing lanes so I stepped on the gas to switch lanes and then check engine started flashing and stabilitrak active light came on. Slowed down and felt the truck with some unusual shaking, when I got off the freeway and into the street as soon as I stopped it felt like the engine wanted to shut off but it did not, truck was shaking at every stop I made. Check engine light is still on and stabilitrak active light

- Arleta, CA, USA