NHTSA Complaint #11664796 — 2021 GMC SIERRA 1500

FUEL/PROPULSION SYSTEM issue reported to NHTSA

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Complaint Details

ODI Number	11664796
Vehicle	2021 GMC SIERRA 1500
Component	FUEL/PROPULSION SYSTEM
Date of Incident	March 10, 2025
Date Filed	June 4, 2025
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	SC

Consumer Description

- #5 injector failure, no. - Once the injector failed, the vehicle would violently shake when trying to accelerate. - Yes, was not covered under factory warranty but replaced by third-party extended warranty. -Yes, replaced by the dealership. -No warnings prior, once the injector failed warning for brake system check and vehicle mileage limits set in warning.

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