2023 Chevrolet Suburban engine problems

Related recalls

• Recall 25V274000Apr 24, 2025597,571 vehicles
  ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL

  General Motors LLC (GM) is recalling certain 2021-2024 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, and Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles equipped with a 6.2L V8 gas engine. The connecting rod and/or crankshaft engine components may have manufacturing defects that can lead to engine damage and engine failure.

  Risk: Engine failure increases the risk of a crash.

  Remedy: Dealers will inspect the engine, and as necessary, repair or replace the engine. For vehicles that pass inspection, dealers will add higher viscosity oil, install 6 oil fill cap, replace the oil filter, and update the owner's manual. Repairs will be performed free of charge. Owner notification letters were mailed June 18, 2025. Owners may contact Cadillac customer service at 1-800-333-4223, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is N252494000.

What owners say

1. Filed Oct 4, 2026SCEngine

   2023 Chevrolet Suburban, 6.2L L87, included in Recall 25V-274 and NHTSA EA26005. Recall service was performed XXX at 20,259 miles; the engine passed inspection and received the 0W-40 oil remedy. I noticed that the oil level was low after the dealer had serviced the engine so I topped it off. At the next oil change, at 26,297 miles, I observed a metallic sheen in the drained oil and found significant metal debris in the oil filter installed during the recall service. I…

   NHTSA complaint #11768833 · source
2. Filed Sep 15, 202642,600 miFLTowedEngineTransmission & Drivetrain

   The contact owns a 2023 Chevrolet Suburban. While the contact’s husband was driving 70-75 MPH and depressing the accelerator pedal, the vehicle failed to respond, but the RPMs became elevated. The driver shifted transmission into neutral(N), coasted to the side of the road, and the vehicle stalled. A message to “Start Vehicle” was displayed; however, while on the side of the road, the vehicle failed to turn off. The driver was able to shift into park(P) and had the vehicle…

   NHTSA complaint #11764302 · source
3. Filed Sep 7, 2026SCEngine

   The vehicle experienced an initial incident of significant engine power loss while traveling at highway speeds approximately two weeks prior to the eventual complete engine failure. During that incident, the vehicle unexpectedly lost engine power while traveling at speeds exceeding 65 mph. On Thursday, September 3, 2026, a second incident occurred within approximately one-half mile of leaving my residence. The vehicle again experienced a significant loss of engine power. I…

   NHTSA complaint #11762574 · source
4. Filed Sep 5, 2026OHEngine

   Complete engine failure on 2023 Chevrolet Suburban 6.2L. On October 31, 2024 while on the interstate. The truck shut off twice with no warning. I was able to make it to the side of the interstate twice to restart. The truck was taken to Serpentini Chevrolet and they stated no issues were found and send the vehicle back on the road. On December 13,2024 while on a state route, speed limit 55, 12,231 miles the Suburban abruptly slowed down and violently started to shake and…

   NHTSA complaint #11762342 · source
5. Filed Aug 31, 202650,000 miPATowedEngineTransmission & Drivetrain

   The contact owns a 2023 Chevrolet Suburban. The contact stated that while entering a parking lot at a low speed, the engine shut off without warning. The vehicle was towed to a dealer, where it was diagnosed with engine failure, which was associated with NHTSA Campaign Number: 25V274000 (Engine and Engine Cooling). The vehicle remained at the dealer for approximately three months before the engine was repaired. The contact stated that while driving recently, the vehicle…

   NHTSA complaint #11760861 · source
6. Filed Aug 28, 2026FLEngineTransmission & Drivetrain

   After having the proper recall performed. The engine locked up while driving on interstate. Total loss of power in heavy traffic nearly causing an accident.

   NHTSA complaint #11760449 · source
7. Filed Aug 23, 2026IDEngine

   My 2023 Chevrolet Suburban equipped with the 3.0L Duramax diesel engine (LM2) has experienced a recurring engine oil leak involving the rear main seal/lower timing cover area. The vehicle has required repeated dealer repairs for substantially the same oil-leak condition, including major engine-related disassembly, but the leak has returned after repair. This is a safety concern because failure of the rear main seal or lower timing cover sealing system can result in loss of…

   NHTSA complaint #11758857 · source
8. Filed Aug 21, 202663,000 miVAEngine

   The contact owns a 2023 Chevrolet Suburban. The contact stated that the vehicle had experienced excessive oil consumption. The contact stated that while driving at various speeds, the vehicle chugged, jerked, and lunged forward. The vehicle was taken to the dealer; however, the failure could not be duplicated. The contact stated that the failure reoccurred. The vehicle was taken back to the dealer, where the spark plugs were replaced; however, the failure persisted. The…

   NHTSA complaint #11758574 · source
9. Filed Aug 3, 202625,300 miCOTowedEngine

   The contact owns a 2023 Chevrolet Suburban. The contact stated that while driving approximately 65 MPH, the transmission erroneously shifted to neutral(N), and the vehicle decelerated unexpectedly. The vehicle was pulled off the freeway and parked on the shoulder of the road, and the police were contacted and arrived at the scene and assisted with removing the small children from the vehicle. The vehicle was later towed to a nearby towing lot. The contact later received…

   NHTSA complaint #11754537 · source
10. Filed Jul 23, 2026MDEngineSuspension

    I brought my Chevrolet Suburban High Country in to the dealer pursuant to a recall for engine issues due to a manufacturing defect in connecting rods and crankshafts that can cause catastrophic engine failure. The service center changed the oil viscosity and fill cap and stated that the change should eliminate the issue. I have had persistent engine knocking upon acceleration since then and it is getting louder and more prominent. A suspension warning intermittently flashes…

    NHTSA complaint #11752309 · source
11. Filed Jul 20, 2026KYEngine

    We purchased a 2023 Chevy Suburban in January of 2026. In May the vehicle shut off on me at a stop light. The check engine light flashed after I was able to restart it. I took it to the dealer and they said they "couldn't recreate the issue" even though there was an engine misfire code on all cylinders. They told me to come pick it up and bring it back if I had further issues. The second time this happened I had issues getting the vehicle started. This was June 2026 Once I…

    NHTSA complaint #11751691 · source
12. Filed Jun 15, 2026KSElectrical SystemEngine

    The engine of this car has been under recall for multiple issues during the time we have owned it. The most recent issue that was experienced was total engine failure and electrical malfunction while driving on a busy street near train tracks. The vehicle was making a loud banging sound moments before this occurred. I wasn't even given time to get to a safe spot to investigate the issue. When it shut down, a quick message flashed across the dash board--stating ability to…

    NHTSA complaint #11744096 · 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