NHTSA Complaint #11646462 — 2021 CHEVROLET SILVERADO 2500

FUEL/PROPULSION SYSTEM issue reported to NHTSA

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Complaint Details

ODI Number	11646462
Vehicle	2021 CHEVROLET SILVERADO 2500
Component	FUEL/PROPULSION SYSTEM
Date of Incident	February 10, 2025
Date Filed	March 5, 2025
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	IN

Consumer Description

DEF system failure causing truck to enter limp mode being reduced to 65 MPH, then 55 MPH, and then restricted to 5 MPH. Error in def system led to DEF heater to go bad causing the incident to occur.

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