2021 CHEVROLET SILVERADO 1500 Complaints

The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that while driving at an undisclosed speed, the vehicle came to a complete stop without warning. The contact stated that the failure had occurred twice. During the first failure, the vehicle was towed to the dealer and a lifter inside the engine was replaced. The contact stated that after the second failure, the contact allowed the vehicle to sit for a while before restarting the vehicle and continued driving. The vehicle was driven to the dealer, where it was diagnosed and determined that a lifter and the camshaft needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 73,000.

2021 Chevy Silverado 5.3 trail boss lifters has failed on this driver two times while driving on highway engine lost power with my family in the vehicle. Dealer warranty fixed lifter the first time lifter went out at 1100 miles. The vehicle has failed again with multiple lifters going out and camshaft needing being replaced also on my extended warranty at 73000 miles. I do not want to take this vehicle back in my possession as it has put me and my family at risk twice being stuck on highway with no power.

On or around XXX a my 2021 Silverado started making a rattling sound from the engine. The truck began to stall and the engine shut off three times while driving. I attached scanner the next day and the track showed P00011 and P00016 codes. Those codes are for the Camshaft Sensor and the Crankshaft Sensor. I went online and did research about the two codes and discovered there had been a couple recalls for these codes concerning my year model truck: (Recall Number 25V-274; GM: Campain N252494000). NHTSA Engineering Analysis EA25007 or RQ26001 I spoke with the Dealer I purchased vehicle from (Lynn Layton Chevrolet - Decatur, Al)and they said they will not begin repairs until they receive payment from GM or myself. I then spoke with Tyler at GM Corporate Customer Service. He said my VIN was not included in the GM Campaign|Recall. I asked why not because it is a 2021 Silverado and I’m having the exact same problems as vehicles included in the recall. He said because they checked their system and the parts used on my truck were from a different manufacturer than those included on the recall. I said that shouldn’t matter because my truck is having the same exact problems. I asked him to check and see if GM would be able to provide financial assistance to have motor repaired or replaced. Tyler told me that GM will not do repairs - they will only replace the engine. He said GM would not provide any financial assistance because my truck has 170k plus miles on it. I informed Him that I had previously taken my truck to Lynn Layton Chevrolet about these symptoms and it was diagnosed as transmission/torque converter problem. They changed transmission fluid and charged me ~$700. I then asked if GM would authorize a “Goodwill Replacement”. He said they would not. I called Lynn Layton Decatur back and asked how much would engine and reps if I have to pay for it. They said 10k -12k A local mechanic said he will fix for $6,000. Please help me get this resolved. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION

The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that while driving approximately 30 - 60 MPH, the transmission failed to shift properly, and the vehicle hesitated while depressing the accelerator pedal. A dealer was contacted. The vehicle was taken to the dealer to be diagnosed, and the contact was informed that the valve body needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline to report the failure. The approximate failure mileage was 105,000.

While driving at ~50mph, the truck immediately went into reduced power mode, temperatures spiked to 260 from 210. Engine code P1006 showed indicating coolant control valve failure. After experiencing, I discovered that GM issued Special Coverage for Coolant Control Valve (N252508341). However, the local Chevy dealership indicated my truck would not be covered even though it is within the timeframe/mileage, and falls in the year/make/model categories. According to them, the coverage is VIN specific and my VIN is not listed. They directed me to Chevrolet Customer Care. Customer Care did not acknowledge the Special Coverage until I directed them to the correct bulletin. They further indicated because my VIN was not covered, they would not be able to do anything. This issue is HIGHLY known by GM, but they have failed to remedy appropriately. It is also a safety hazard, especially in my case, where the failure occurred on the highway, at speed with cars behind me, and resulted in the truck immediately ceasing normal operation causing the potential for property damage and/or injury.

The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that while his wife was driving approximately 65 MPH, the vehicle lost power and stalled. The vehicle failed to restart. The vehicle was towed to a dealer where it was diagnosed with an internal engine failure. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 120,000.

I have a 2021 Silverado with the 6.2L engine. I had received the recall notice, but it took several months before I could get the truck checked. By the time I was able to get it inspected, the truck had over 100,00 miles, with the symptoms associated with the 6.2L engine failure. It was said to have passed inspection, but I had my doubts. Low and behold, my engine failed not once but twice. The first time I was told it was not due to the recall and paid out of pocket. The most recent failure, (same exact failure as before, and nearly caused an accident) happened last week. I towed it to a different dealership than where it was inspected and where the last repair occurred, and was told it needed a new engine. I called and was told by the dealership that a new engine was ordered, and they were waiting to hear back from GM on if they would cover it or not. I was also told they were very confident GM would cover it, and that is why they ordered a new engine. A few days later, I get a call and find out GM is in fact not covering it and the repair is around $12,000. I am beyond frustrated at GM for not taking accountability, and the dealership for giving me false hope that this would be covered.

On June 22, 2026, my Chevy Silverado was inoperable and had to be towed to the Chevy dealership. After a period of examination by the service staff, it was deemed to have experienced CATASTROPHIC ENGINE FAILURE. My truck has the 6.2L engine, but was NOT included in the original recall. It had just been serviced on 6/19/2026 and was only driven approx. 20 miles to my home. I have a video of what it was doing when I went to leave for work two days later on 6/22 when it wouldn't run without major issues and a burning smell.

The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that the engine occasionally overheated. The check engine warning light was illuminated for a day, and there were six diagnostic trouble codes displayed. The vehicle was taken to the dealer to be diagnosed, and it was determined that the coolant flow control valve was inoperable and needed to be replaced. The vehicle was not repaired. The manufacturer was informed of the failure and confirmed that the repair was not covered under warranty or recall. The contact became aware of GMC Special Programs: N252508340 and N25250834, which were associated with the failure; however, the VIN was not included. The manufacturer referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 105,000.

My Chevy Silverado has a transmission defect that is under recall shift to park and my vin number is not included. I am disappointed because it’s exactly the same problem as the other ones.