NHTSA Complaint #11673508 — 2021 CHEVROLET SILVERADO 1500

ENGINE issue reported to NHTSA

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Complaint Details

ODI Number	11673508
Vehicle	2021 CHEVROLET SILVERADO 1500
Component	ENGINE
Date of Incident	July 9, 2025
Date Filed	July 14, 2025
Mileage	85,000 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	NC

Consumer Description

The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that while driving 75 MPH, an abnormal boom sound was heard coming from the engine. The vehicle failed to accelerate as intended while depressing the accelerator pedal. The contact stated that the engine seized. The check engine warning light was illuminated. The vehicle was towed to the local dealer and was diagnosed with crank shaft sensor failure. The contact was later informed that the engine had failed and needed to be replaced. The vehicle was not repaired due to the cost. The manufacturer was contacted. The failure mileage was approximately 85,000.

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