2023 GMC Sierra 1500 Engine Problems
Engine complaints account for 232 of 479 total complaints (48%) filed on the 2023 GMC Sierra 1500, with a median failure mileage of 21,000 miles. A related GM recall (25V274000) covers 6.2L V8 engine issues on this and related GM trucks/SUVs.
- Engine complaints
- 232
- 48% of 479
- Crashes reported
- 3
- Fires reported
- 0
- Injuries reported
- 0
- Median mileage
- 21,000 mi
- Related recalls
- 1
Typical engine symptoms owners report
- Some trucks unexpectedly shut off or drop power while driving at highway speed, including cases where the engine died at 40 mph or shut off mid-turn while using driver-assist features.
- Owners describe the engine entering limp mode, with the vehicle suddenly decelerating from around 60 mph to about 30 mph while multiple warning lights illuminate at once.
- A design issue with the 6.2-liter engine has been linked to reports of the engine seizing, reportedly tied to intake valves bending under normal driving.
- Some 3.0 Duramax diesel owners report a failing coolant control valve, with no replacement part available, which also triggers reduced acceleration mode.
- One early complaint describes a check engine light and strong fume odor at low mileage tied to a P0402 diagnostic code, requiring a software reprogram.
When 2023 GMC Sierra 1500 engine complaints were filed
First complaint Feb 23, 2023, latest Sep 23, 2026.
Engine recalls for the 2023 GMC Sierra 1500
- NHTSA 25V274000Apr 24, 2025Engine597,571 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.
Engine complaints by Sierra 1500 model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How common are engine complaints on the 2023 GMC Sierra 1500?
- Engine problems make up 232 of the 479 total complaints filed for the 2023 Sierra 1500, or 48% of all complaints for that model year.
- Is there a recall for the 2023 GMC Sierra 1500 engine?
- Yes. Recall campaign 25V274000, opened April 24, 2025, covers the 6.2L V8 engine in certain 2021-2024 GM trucks and SUVs, including the 2023 GMC Sierra 1500. It is not a do-not-drive or park-outside recall.
- At what mileage do engine problems typically show up?
- NHTSA data shows a median mileage of 21,000 miles at the time of failure for engine-related complaints on the 2023 Sierra 1500.
- Have engine problems caused crashes or injuries?
- NHTSA records list 3 crashes and 0 injuries and 0 fires linked to complaints in this area for the 2023 Sierra 1500.
- How does 2023 compare to other Sierra 1500 model years for engine complaints?
- Engine complaints represented 48% of all complaints in 2023, lower than 2021's 62% and 2024's 61%, but higher than earlier years like 2017 at 18%.