2021 Cadillac XT5, 2021 Cadillac XT6, 2021 GMC Acadia Recall: Fuel supply lines may be improperly attached and seated
NHTSA campaign 21V422000 · Fuel System, Gasoline · filed Jun 3, 2021 · verified Jul 30, 2026
The defect
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.
The risk
Improperly attached and seated fuel supply lines may loosen or separate, causing a fuel leak and increasing the risk of a fire.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to 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.
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.
Affected vehicles
Related recalls
More Cadillac XT5 recalls
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Other campaigns involving Cadillac vehicles
Source: NHTSA recall database, campaign 21V422000 (manufacturer number N212335590). Data last verified Jul 30, 2026.