Vehicle has been at dealership multiple times for the same issues and the cant figure it out. Constantly p303 codes. On highway doing 65-70 and truck starts to shutter and drop speed swerving down to about 40mph on highway in traffic. Have to pull to shoulder and restart Vehicle.

- Culpeper , VA, USA

Tailgate keeps coming down on its own while driving and parked.

- Shreveport, LA, USA

In 2024, I had the transmission replaced due it leaking transmission fluid. The transmission is sealed and there is no way to add fluid. This created an internal problem for the transmission. In January 2025, the engine made a loud pop noise and began performing horribly. My wife and I were on the interstate in a major city and surrounded by traffic. I drove it to the side of the interstate, immediately, and turned it off. I had to call someone to tow me back home(2 hours away) and my wife missed a very important doctor's appointment. Upon inspection, I found failed valve lifters, camshaft, pushrod and valve lifter tray. I managed to get everything replaced and the truck ran fine. March 2025, as I was driving on the highway, the truck stopped running. A message came on the dash screen saying, "Shift to Neutral and restart". I did and nothing happened. I had it towed to a shop. They told me it was a fuse block that was blown and the starter blew so they replaced them. It had struggled to start a couple of times and since I knew it had a new battery, a starter and fuse block made sense. I picked the truck up and in less than 24 hours, it happened again. It stopped running as I was driving and would not restart. The shop has checked GM tech forums and found where someone said to check if the motor would turn over manually. They have tried and failed. They, then, took the oil filter off and found metal shavings in the oil. Their diagnosis is that the engine bearing has seized and is causing the problems. My main issue is safety. My wife and I could have been seriously injured or killed and could have injured or killed someone else when the incident happened on the interstate. The same could've happened with just me in the vehicle or with our children. There were no warning lamps, messages or any symptoms whatsoever before January 2025 for the engine. The truck doesn't even have 100,000 miles on it and I have kept up all of the maintenance.

- Winnsboro, LA, USA

backup camera comes on when brakes are applied. Very dangerous at night time while driving as bright backup camera displayed on screen hinders your vision to see the road.

- Anderson, IN, USA

Vehicle is showing the GM "SHIFT TO PARK" error code on the dash board, when turning the engine off.

- Seaford, DE, USA

When the engine turns on the ESC light come up and start beeping. While driving the light goes off and later on while driving it appears that ESC is off after 1-2 minutes its says ESC is on again.

- Elgin, IL, USA

I noticed up on start up a warning light comes on & display says brake system failure 62 MPH then goes away. I have been reading numerous other reviews online that they are experiencing the same issue. 2nd problem is when I bought the vehicle I noticed numerous oil spots on the tailgate, I asked a GM representative & they said it was road grime, but I noticed the rear pinon is leaking, so it's been leaking since I bought the truck & the dealership either doesn't know it's a known issue or they didn't want to come out & say it.

- Anderson, CA, USA

My DIC showed a message of Shift to Park. This has prevented me from turning my truck off. I have been stranded on a couple of occasions until finally I was able to push the Stop/Start button to turn my truck off. Also has prevented me from locking my truck at times. The fact that I can't turn my truck is a real safety problem and also creates the possibility of it rolling down hill. Being stranded is the worst part and if I can't turn my truck off at some point the battery is going to go dead. There are several bulletins out on at least 5-6 GM cars with this problem - #19-NA-206 and 04-00-89-053 from engineering. I finally to feel safe I had to go to my local Chevy store and get it fixed costing me $563.24 plus tax. I need to be reimbursed for this as GM has been aware of this problem since 2018.

- Lancaster, OH, USA

I own a 2019 Chevrolet Silverado 1500 LT Trail Boss that exhibits strange and persistent issues. A recurring engine code appears P0499, clears itself, and then reappears without consistent resolution. This affects the remote starter as the engine light will be engaged. Additionally, several service warnings flash momentarily and disappear, including: -??Service Trailer Brake System -??Brake System Failure -?" Top Speed Limited to 62 or 43 MPH -??Parking Sensor Unavailable These warnings occur without warning and vanish too quickly to document fully. Despite multiple visits to the dealership, technicians have been unable to replicate or resolve the problem. This unpredictable behavior creates safety concerns, particularly regarding brake system reliability and sensor functionality. I and many others experiencing these same issues are concerned about a potential electrical or sensor issue impacting vehicle performance and safety.

- Baton Rouge, LA, USA

Wires were improperly installed during assembly, on truck and rubs on a frame which chafes, which causes the protective covering to get rubbed off causing a short circuit on my wiring harness which causes the "check engine light" to stay on constantly. This is a factory mistake yet they want to charge me for the fix. I also have come to know this is getting too common on Chevy Silverado 1500 and GMC Sierras. GM needs to correct their factory defect for free. This chafing can happen in three different areas on the trucks. These shorted wires can cause failure of the fuel pumps and leave you on the road when the engine shuts down. GM knows about these problems but has not acted on this problem. they never mentioned or noted the wiring problem on my repair summary, Oct. 23, 24, when they were replacing the torque converter. They showed it to me, but never made note of it. They are going to work on it Monday 12/9/24, I will talk of, who's going to cover the cost of this after it's repaired.

- Chippewa Lake, OH, USA

Twice the vehicle has malfunction at high rates of speed no brakes no steering and almost caused serious injury to myself and young son the second occurrence I record the last 15 seconds safely to have proof of exactly the speed of disengaged control. For this very reason. Vehicle has been at dealership since 10/28 I-??ve had to rent a car $1700 and more than 30+ days no diagnostic or response to purchase this defective vehicle with number of same occurrence of brake electric emissions and transmission malfunction.

- Sebring , FL, USA

Transmission problems in 8l90. Needs valve body. Torque convert and few others. Lost communication with power steering control module. Most control to body co trol module. Rear right and left speed sensor correlation.

- Columbus, OH, USA

The contact owns a 2019 Chevrolet Silverado 1500. The contact stated while at a complete stop, the Auto START/STOP function engaged, and the engine shut off as needed. The contact stated that while depressing the accelerator pedal to resume driving, the vehicle started rolling backward. The contact shifted to park(P), turned off and restarted the vehicle. The contact stated upon shifting to drive(D), the failure persisted. The check engine warning light was illuminated. The vehicle was towed to the residence. The contact stated while starting the vehicle the following day, the steering wheel seized. The check engine warning light, the traction control warning light, the parking warning light, and other unknown warning lights were illuminated. The messages "Battery Saver Mode", "Service Charging System" and other unknown messages were displayed. The dealer was notified of the failure and advised the contact to tow the vehicle to their location for diagnostic testing. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 84,000.

- Charlotte, NC, USA

The contact owns a 2019 Chevrolet Silverado 1500. The contact stated that the tailgate emergency release button located inside the cabin was inoperable. Additionally, the contact stated that while pressing the button on the tailgate to open or close the tailgate, the tailgate would slightly open or be closed. The contact stated that the tailgate required to be pushed manually to open as needed or to be closed securely. The vehicle was taken to the dealer, where the tailgate motor was replaced; however, the failure recurred. The vehicle was taken back to the dealer where the contact was informed that the tailgate motor needed to be lubricated. The motor was lubricated; however, the failure persisted. The vehicle was not repaired. The contact related the failure to an unknown recall. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 10,000.

- Howell, MI, USA

The electrical system: truck will make clicking noises after I turn it off and the keys are out of ignition. Radio won-??t go off when it-??s supposed to. I have fan on in my truck for the heat/ac and it blows out of the wrong vent or if I have dial on high there is nothing coming out. When I-??m walking away from the truck it will start making noises. Head lights are dim inside lights are dim. I can smell gas in my truck. Transmission jerks no power at all driving up a hill. I had a 2006 Chevy Silverado. I fell in love with it the first time I seen it. She had a v8 vortex motor in it. I don-??t know why a person would put come up with a v6 to pull an 8000 lb truck!!! It takes forever to speed up! I was told to save gas, I seriously don-??t think so!!! I put transmissions and engines together for 15 years at Toyota. I have a lot of respect for the Japanese people because they care about what they build. Chevy needs to hire some people from Toyota to help straighten them out. Can-??t really give dates to many!

- Cross Lanes , WV, USA

I was driving in Highway 85 going south 65 mph I had my grandkids in the backseat and my truck automatically baked by itself and that electrical system control light came on break tire minor needs service and my engine started knocking. I almost had an accident in the highway I had to disconnect my battery for my brakes to release.

- Fort Lupton, , CO, USA

The contact owns a 2019 Chevrolet Silverado 1500. The contact stated that while driving at an undisclosed speed and attempting to make a left turn, the vehicle stalled. The vehicle was able to be restarted and taken to a dealer. The dealer diagnosed the vehicle and determined that the ground wire, positive wire, and electrical connection box had low resistance causing the battery to drain and lose voltage. The manufacturer was not made aware of the failure. The vehicle was repaired. The failure mileage was approximately 50,000.

- Knoxville, TN, USA

Because of faulty ground strap, lost power steering and several other fault codes. Authorized GM dealer reported ground strap completely broke. My vehicle has a little over 26000 miles on odometer.

- Hamburg, NY, USA

Hello, I purchased a 2019 Chevrolet Trailboss LT from a Chevrolet dealership on April 23 2024. I noticed a few days later and after the first rain, the back window was leaking water inside. There is a service bulletin regarding this issue, I called General Motors and was told that they recommend me getting this repaired at my expense. Ironically my mother whom was with me at the time of purchase was coughing on our way home from the dealership and said she-??s very sensitive to black mold and felt the truck had mold somewhere in it. I do have pictures of large water stains on the headliner along with water running down the back window onto the carpet. I do not feel comfortable putting my family in this vehicle with possible black mold. At time of purchase, i mentioned to the sales lady that my mother suffers from a chronic lung infection and the leaking back window service bulletin was never disclosed with me. I feel that General Motors should be held accountable to make these repairs at their expense due to black mold, water around electrical and seatbelts. Thank you for any help

- Georgetown, TX, USA

When turning off the vehicle, the DIC gives an indication of Shift to Park warning. After a few minutes the beeping and warning would turn off. Started happening at 62,000 miles. Dealer looked for it April 18, 2023, could not duplicate the problem.

- Columbia Station, OH, USA