2026 Chevrolet Silverado 1500 Problems

What owners report

Reports on this model year are concentrated on the 6.2L V8 and on low-speed stalls, and most are filed on trucks with only a few thousand miles. Owners describe two patterns: a loud knock or squeal followed by loss of power and an engine replacement, and the truck shutting itself off or shifting into park at low speed, sometimes while towing. Several complaints involve infotainment screens and driver-assist warnings, and a smaller number describe reduced brake assist.

1. 1
   Engine

   Engine knock or squeal and loss of power (6.2L V8)

   • 38 complaints (30%)
   • median 6,079 mi at 0.5 yrs old (2 state mileage, few)
   • filed 2025–2026

   Owners describe a loud knock, bang, squeal or grinding noise from the engine, often with no warning light beforehand, followed by loss of power and the engine quitting. Complaints report the truck being towed and dealers confirming internal engine damage and ordering a complete engine replacement, with some owners waiting weeks for parts. A few describe lifter or camshaft damage and one describes low oil pressure. Mostly reported between roughly 1,000 and 13,000 miles, sometimes on the first highway drive and sometimes while towing.

   What to check: Ask for service records showing any engine noise diagnosis or engine replacement, and listen for a knock or tick at cold start and after a test drive. On a 6.2L truck, check the oil level and ask whether any oil consumption or low-pressure concerns were logged.

   2 excerpts from owner complaints in NHTSA records

   “I purchased a 2026 Chevrolet 1500 Duramax Deisel truck. At 9500 miles the truck started making popping and loud grinding noises and would shake while driving it. I barely made it to the dealership on August 6th 2026 I took it to Group 1 Chevrolet where I bought it in Houston,Texas and on August 8th was told that they need to replace the engine and do not have an estimated time for repair.”

   NHTSA complaint #11755678, filed 2026-08

   “My 2026 Chevrolet Silverado experienced catastrophic engine failure at approximately 12,000 miles. The vehicle was out of service from June 19, 2026 through August 27, 2026 while the engine was replaced. This is our family vehicle and is regularly used to transport my two young children. I remain concerned about the safety and adequacy of the remedy following such an early catastrophic engine failure. …”

   NHTSA complaint #11761858, filed 2026-09
2. 2
   Engine

   Engine shuts off and truck shifts itself into park or

   • 26 complaints (20%)
   • median 1,450 mi at 0.9 yrs old (2 state mileage, few)
   • filed 2026

   Complaints describe the engine dying while driving, commonly at low speed, in a turn or while slowing for a stop, with the dash prompting the driver to press start or shift to neutral. Some report the truck shifting itself into park or neutral, a hard jerk, and loss of power steering and brake assist. Owners say dealers often could not duplicate the condition or find a stored code. Reported from roughly 300 to 11,000 miles, usually at speeds under 10 mph, and in some cases while towing a trailer.

   1 related service bulletin

   What to check: During a test drive, include slow turns, parking-lot maneuvers and a stop-and-go stretch, and ask the seller whether the body control module software update described in the service campaign has been applied.

   2 excerpts from owner complaints in NHTSA records

   “No warning lamps or chimes. Truck shut down as I was pulling into my garage. Shifted to neutral on its own and a message on the dash said to put it in park and restart the engine. This event happened on 9/15/26. The truck has 1400 miles on the odometer.”

   NHTSA complaint #11765347, filed 2026-09

   “I was driving down a main road going 40-45 mph. I made a left turn into a retail shopping center, went straight for about 100 feet and turned right into the main shopping center street and the truck immediately just shut off. I don’t remember seeing the car go into park, but I do remember it going into more of a neutral state with the engine completely off and the brakes were not locked since the car rolled back a little bit at first. My wife and I were both in awe as to what just happened. …”

   NHTSA complaint #11761271, filed 2026-09
3. 3
   Brakes

   Brake assist warnings and reduced braking

   Mentioned in 6 of 60 sampled complaints

   Complaints describe a service brake assist message and a brake pedal that stays firm but stops the truck poorly, sometimes with several warning lights at once and limp mode. Owners report dealers resetting the message or diagnosing a brake control module fault tied to a software version, and one owner was told the condition may relate to low voltage. Reported from very low mileage up to about 71,000 miles, sometimes shortly after a battery or electrical concern.

   1 related service bulletin

   What to check: Check whether any brake assist or ABS warning has been logged and cleared, and ask for the brake control module software status. Test the pedal feel at low speed in an empty area before buying.

   2 excerpts from owner complaints in NHTSA records

   “Service brake assist warning came on the day before a severe audible engine knock started. Drove to nearest dealer and they immediately diagnosed as a probable engine failure/engine bearing/connecting rod. 6.2 liter engine 9500 miles”

   NHTSA complaint #11745269, filed 2026-06

   “The contact called on behalf of a leased 2026 Chevrolet Silverado 1500 company vehicle. The contact stated that on multiple occasions, upon depressing the brake pedal, the vehicle failed to respond as intended or required significant force to come to a complete stop. No warning lights illuminated. The local dealer was not contacted due to company policy, and the vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 71,413.”

   NHTSA complaint #11759790, filed 2026-08, 71,413 miles
4. 4
   Engine

   Reduced acceleration and limp mode while towing

   • 12 complaints (9%)
   • median 4,300 mi at 0.7 yrs old (3 state mileage, few)
   • filed 2025–2026

   Owners describe the accelerator becoming unresponsive and the dash showing a reduced acceleration message, sometimes while pulling a trailer at highway speed. Complaints report restarting the truck to clear the condition, and in some cases a dealer later replacing the engine or diagnosing a transmission concern. Reported mostly between a few thousand and about 12,000 miles, often under load such as towing or on grades.

   2 related service bulletins

   What to check: Ask whether the truck has been used for towing and whether any reduced-acceleration messages or stored codes were addressed. A scan for pending powertrain codes before purchase is worthwhile.

   2 excerpts from owner complaints in NHTSA records

   “At about 800 miles i noticed ticking from the engine and random and intermittent jerking. Some of which were very severe that felt like someone rear ended me. I took into the dealer with my complaints. They kept my vehicle for 2.5 days and didnt give me a loaner. The my were unable to reproduce the jerking and said the ticking was normal. They showed me the ticking and said its normal and will go away after it warms up. They did a vehicle update and said it will help. They said theres nothing else they will do. …”

   NHTSA complaint #11716604, filed 2026-02

   “November 28th 2025 we were coming down Logan canyon in Utah at 50 miles an hour when i was passing another vehicle on the left I felt a hard shift and a prompt came on the dash that said reduced acceleration. So as I was passing the vehicle I was pulling in front of them and lost the ability to accelerate or even hold speed. I passed the vehicle got in front of them and slowed down rapidly without any ability to control the speed of the truck. At this point when I would push the gas nothing would happen so I pulled off the side of the road. …”

   NHTSA complaint #11705257, filed 2025-12
5. 5
   Electrical system

   Infotainment screen and camera glitches

   Mentioned in 4 of 60 sampled complaints

   Owners describe the center screen freezing, going black, rebooting or taking phantom inputs, and at least one reports overheating and bubbling trim around the display. Complaints also mention the rear camera image distorting and lane keep assist failing to activate, with the truck at the dealer for diagnosis. Reported across low-mileage trucks, often within the first several thousand miles and in warm climates.

   6 related service bulletins

   What to check: Spend time with the screen and cameras during the test drive, checking reverse camera image, lane keep assist and wireless phone pairing. Ask whether radio resets or software updates have already been performed.

   2 excerpts from owner complaints in NHTSA records

   “I purchased a 2026 GM Chevy Silverado. At 500 miles all dash warning lights came on while driving, radio played static. I disconnected battery in order to reset the computer. At 1400 miles in the heat of south Florida the air condition stopped working. after completing my drive 60 miles away with no ac i disconnected the battery to reset the computer. The ac started to work after this reset. I went to the dealer and they wanted me to leave the truck. They could not provide a loaner and the fact that this is my only vehicle I could not leave it. …”

   NHTSA complaint #11731251, filed 2026-04

   “Radio screen display, overheating, bubbling at the bottom of the screen trim underneath air conditioner show signs of overheating have been replaced before GMC and Chevrolet is aware of this matter. Initially made no notes to Tri to inform me of this hazard of the overheating of the screen and blacking out of the screen commonly referred to a ghost screen. …”

   NHTSA complaint #11760701, filed 2026-08

Buying note. This is a very recent model year with most reports filed at low mileage, so a pre-purchase inspection and a scan for stored or pending codes matter more than the odometer. Ask for the full service history, confirm which software updates and service campaigns have been completed, and test the truck cold and at low speed before deciding.

Summary written with AI from a sample of 60 NHTSA complaints for this model year (picked at random, with complaints that state a mileage and recent ones taken first), then checked automatically against the source records. Where a problem shows a complaint count, every complaint for this model year was matched with fixed keyword rules (written with AI and tested against the sample), and the mileage, age and repair figures are calculated from those complaints; owners' figures are as stated, not verified. Other counts refer to the sample. The excerpts come from NHTSA's public complaint records and are unverified; capitalisation is normalised, NHTSA staff notes are removed, and shortened text ends with “…”. Something wrong? Request a correction.