2019 Chevrolet Suburban engine problems

Related recalls

No recalls on file.

What owners say

1. Filed Sep 18, 2026NVEngine

   vehicle SUFFERED AN ENGINE FAILURE, which I believe is same problem as GM SUVs made from 2021 to 2024 for which recall exist . Engine that failed was 6.2L V8 / L87

   NHTSA complaint #11765208 · source
2. Filed Aug 24, 2026124,818 miWITowedEngine

   The contact owns a 2019 Chevrolet Suburban. The contact stated that while driving at an undisclosed speed, the vehicle was shaking with the check engine warning light illuminated. The contact pulled over and had the vehicle towed to the dealer. The dealer diagnosed a cylinder misfire and determined that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was 124,818.

   NHTSA complaint #11759056 · source
3. Filed Jul 25, 2026VAEngine

   Oil pressure acting weird. We checked the oil and there were only 2 quarts of oil in truck. I just had an oil change 3 weeks ago. No oil leaks. Engine must be burning oil for some reason.

   NHTSA complaint #11752859 · source
4. Filed Jul 14, 2026CAEngineSeats & Seat BeltsTransmission & Drivetrain

   Since December 2020, our Suburban has been in for seven extended, documented dealership repair events at Guaranty Chevrolet and Simpson Chevrolet of Garden Grove, totaling 192 cumulative days out of service and $47,560.86 in documented repair invoices — approximately 71% of what we paid for the vehicle. Those repairs have included a complete transmission replacement (58,861 miles), a recurrence of the same active-lifter defect only ten days later, an ignition coil failure,…

   NHTSA complaint #11750421 · source
5. Filed May 25, 2026OHEngine

   When I first got this vehicle 2019 brand new off the lot the dealership in newark ohio had to completely rewire it. It took them a month to figure it out. I just replaced the transmission and now the engine is out. A piston rod snapped hit both sides an cracked the sides and the oil pan.

   NHTSA complaint #11739942 · source
6. Filed May 20, 2026FLEngineTransmission & Drivetrain

   Transmission stalling, hesitating, affecting engine performance and rpm's. broke down on highway. We replaced the transmission, now it's doing a similar problem and the mechanic says the engine is failing, cylinders issues. I've read up it's happening to many of the same year make and model. I spent 7k on a new transmission. Now a new engine??? ...frustrating! Please help

   NHTSA complaint #11739110 · source
7. Filed Apr 9, 2026NJEngine

   I was driving yesterday when my car began to shake at low RPMs. The traction control light came on steadily and the check engine light was blinking. I was unable to safely accelerate. I took it to my mechanic who tested spark plugs and coils, which he confirmed aren't the problem. He informed me that this is a common issue with the GM 6.2L engine, but mine isn't part of the recall. After checking online I see that this is exactly what many others are reporting and that…

   NHTSA complaint #11730201 · source
8. Filed Mar 17, 2026MDEngineTransmission & Drivetrain

   Two years ago, we had to have the transmission rebuilt after it kept slipping. Yesterday, as I was driving on I-95, I was passing a vehicle and pressed on the gas. There was a loud crunching noise and I lost acceleration. The check engine light came on right away and I couldn’t press on the gas without a noise and limited forward momentum. I then had to maneuver the car across four lanes of traffic with limited control over speed. There was no warnings an issue was going to…

   NHTSA complaint #11725090 · source
9. Filed Feb 23, 2026MEDriver Assistance & Safety TechElectrical SystemEngine

   Year: 2019 Make: GMC Model: Suburban Mileage: Approximately 125,000 miles (purchased under 90,000 miles) 1. Transmission Failure My vehicle is experiencing clear signs of transmission failure, including: •Hard downshifting/clunking •RPM fluctuations while cruising •Shuddering between approximately 30–50 mph •Vibrations while idling •Hesitation and irregular shifting These symptoms have progressively worsened and are consistent with widespread complaints I have found from…

   NHTSA complaint #11720007 · source
10. Filed Nov 24, 2025INEngine

    Statement of Incident and Repair Costs While driving on the expressway at approximately 70 mph in the express lane with my family in the vehicle, the engine suddenly began to stutter and run rough. Within seconds, the vehicle lost engine power, the oil light came on, and the check-engine light started flashing. The sudden loss of power caused another vehicle to almost collide with us from behind, narrowly missing my family when our truck slowed abruptly. Because of the…

    NHTSA complaint #11701254 · source
11. Filed Nov 12, 202595,000 miAZTowedDriver Assistance & Safety TechEngineTransmission & Drivetrain

    The contact owns a 2019 Chevrolet Suburban. The contact stated that while stopped at a traffic light, the vehicle failed to accelerate as intended while depressing the accelerator pedal. The check engine warning light and traction control warning light were illuminated. The contact pulled over to the side of the road. The contact continued to drive the vehicle; however, the vehicle hesitated to accelerate as intended. The contact was able to drive to the residence. The…

    NHTSA complaint #11698994 · source
12. Filed Oct 29, 2025113,000 miFLEngine

    The contact owns a 2019 Chevrolet Suburban. The contact stated that while driving at an undisclosed speed, a loud knocking sound was heard coming from the engine compartment. There was no warning light illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed that the rod bearings had failed due to a large amount of copper found in the engine oil. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The…

    NHTSA complaint #11696295 · source

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology