Fuel system, gasoline: delivery: hoses, lines/piping, and fittings (Cadillac and GMC)
Vehicle recall 21V-422. NHTSA received General Motors, LLC’s report on Jun 3, 2021.
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The short answer
NHTSA received General Motors, LLC’s report on Jun 3, 2021. Copied from NHTSA on Oct 25, 2026.
Every line below is in NHTSA’s own words, with its source beside it.
What’s wrong with it?
Improperly attached and seated fuel supply lines may loosen or separate, causing a fuel leak and increasing the risk of a fire.
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.
NHTSA, Recalls flat file. Released Oct 25, 2026. Updated daily.
- NHTSA’s part: Fuel system, gasoline: delivery: hoses, lines/piping, and fittings.
What should you do?
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.
NHTSA, Recalls flat file. Released Oct 25, 2026. Updated daily.
- How to reach the firm: 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.
- Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.
Which ones are recalled?
NHTSA counts 572 vehicles potentially involved, across everything this recall names.
Each model year opens its own page: every recall naming it, its owner complaints and its crash ratings.
NHTSA, Recalls flat file. Released Oct 25, 2026. Updated daily.
Who is recalling it?
- Made by General Motors, LLC.
NHTSA, Recalls flat file. Released Oct 25, 2026. Updated daily.
What the record doesn’t say
- NHTSA’s recall file doesn’t say whether anyone was hurt. Owners’ complaints are counted on each vehicle’s page.
- Whether one vehicle or seat has been fixed: only its maker, or NHTSA’s lookup with a VIN, can say.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
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National Highway Traffic Safety Administration, Recalls flat file (FLAT_RCL_POST_2010).
Released Oct 25, 2026 and checked Oct 25, 2026. Updated daily. Public domain (U.S. Government work).
Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 25, 2026.