NHTSA campaign 21V422000 · Manufacturer campaign N212335590
Cadillac and GMC Recall 21V-422: Fuel Supply Lines Improperly Installed
NHTSA recall 21V422000 (Manufacturer campaign N212335590) was reported by General Motors, LLC on June 3, 2021, with 572 vehicles potentially affected (per NHTSA). NHTSA's record lists the Cadillac XT5, Cadillac XT6 and GMC Acadia for the 2021 model year. Owners were notified on July 1, 2021, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 21V422000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 21V422000 (also written 21V-422 or 21V422)
- Filed by
- General Motors, LLC
- Manufacturer campaign number
- N212335590
- Report received
- Potentially affected
- 572 vehicles (per NHTSA)
- Component
- Fuel System, Gasoline — Delivery — Hoses, Lines/Piping, and Fittings
- Owners notified
Repair completion: 99.3% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 21V422000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
Cadillac
All Cadillac recallsGMC
GMC Acadia
NHTSA's recall notice
As NHTSA's recall record states it for campaign 21V422000.
Defect description
General Motors, LLC. (GM) is recalling certain 2021 Cadillac XT5, XT6, and GMC Acadia vehicles. The fuel supply lines may be improperly attached and seated.
Safety consequence
Improperly attached and seated fuel supply lines may loosen or separate, causing a fuel leak and increasing the risk of a fire.
Manufacturer remedy
Dealers will inspect and replace fuel supply lines as necessary, free of charge. Owner notification letters were mailed on July 1, 2021. Owners may contact Cadillac customer service at 1-800-458-8006 and GMC customer service at 1-800-462-8782. GM's number for this recall is N212335590.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Sources
Official NHTSA notice for recall 21V422000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.