NHTSA Campaign 21V496000
EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER
NHTSA campaign 21V496000 covers 12 year-make-model versions listed here and concerns the equipment: electrical: engine block heater. The repair is free.
General Motors, LLC filed the report for 21V496000 with NHTSA on July 1, 2021; the manufacturer initiated the recall.
For 21V496000, NHTSA lists up to 338,020 potentially affected vehicles.
Owner notification letters for 21V496000 were scheduled from April 4, 2022, 277 days after the report.
21V496000 covers 4 models from Chevrolet and GMC, model years 2017–2019.
Owners of the model years 21V496000 covers have filed at least 17 complaints naming the equipment, about this defect or others in the same group.
Among the 21V496000 vehicles, the 2017 GMC Sierra 2500 has the most (4).
By potentially affected vehicles, 21V496000 ranks 19 of 165 General Motors, LLC recalls on this site.
Besides 21V496000, General Motors, LLC has 9 other recalls on the equipment on this site; the one before 21V496000 was 21V440000, reported on June 10, 2021.
What this recall covers
- The defect
- General Motors, LLC (GM) is recalling certain 2017-2019 Chevrolet Silverado 2500, 3500 and 2017-2019 GMC Sierra 2500 and 3500 vehicles equipped with a Duramax diesel 6.6 liter engine and an optional engine-block heater cord. An electrical short-circuit may occur in the engine-block heater cable or in the terminals that connect the heater cable to the block heater.
- The risk
- An electrical short-circuit can increase the risk of a fire.
- The fix
- Dealers will replace engine block heaters and heater cords. Vehicles that have this feature disabled as a remedy to the safety condition will be contacted and offered replacement block heaters and heater cords under a separate customer satisfaction program, free of charge. GM will provide free replacement block heaters and cords under a separate customer satisfaction campaign. For vehicles previously included in recall 19V-328, the heater cord will be replaced and rerouted, free of charge. Interim owner notifications were mailed on August 13, 2021. Owner notification letters are expected to be mailed on April 4, 2022. Customers may call GMC customer service at 1-800-462-8782. GM's number for this recall is 212329840.
Reported July 1, 2021
Vehicles covered by 21V496000 (12)
Chevrolet (6)
Being on this list means your year, make and model fall inside campaign 21V496000, not that your own vehicle does: a campaign covers a range of VINs. A VIN check on NHTSA's lookup shows whether it is.
Newest record on this page: July 1, 2021. Data: NHTSA recall and owner-complaint files. How these figures are counted