NHTSA campaign 16V646000 · Manufacturer campaign 24BZ
Audi Recall 16V-646: Engine Compartment Fuel Hose may Degrade and Leak
NHTSA recall 16V646000 (Manufacturer campaign 24BZ) was reported by Volkswagen Group of America, Inc. on September 7, 2016, with 28,249 vehicles potentially affected (per NHTSA). NHTSA's record lists the Audi A6 and Audi A7 for model years 2012–2013. Owners were notified on November 2, 2016, 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 16V646000 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.
Audi VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 16V646000 (also written 16V-646 or 16V646)
- Filed by
- Volkswagen Group of America, Inc.
- Manufacturer campaign number
- 24BZ
- Report received
- Potentially affected
- 28,249 vehicles (per NHTSA)
- Component
- Fuel System, Gasoline — Delivery — Hoses, Lines/Piping, and Fittings
- Owners notified
Repair completion: 86.76% (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 16V646000. 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.
Audi
Audi A6
Audi A7
NHTSA's recall notice
As NHTSA's recall record states it for campaign 16V646000.
Defect description
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2012-2013 Audi A6 and Audi A7 vehicles. The affected vehicles have a fuel hose in the engine compartment that may degrade and leak fuel.
Safety consequence
A fuel leak in the presence of an ignition source increases the risk of a fire.
Manufacturer remedy
Audi will notify owners, and dealers will replace the under hood fuel pump and fuel hose, free of charge. The recall began November 2016. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 24BZ.
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.safercar.gov.
Sources
Official NHTSA notice for recall 16V646000
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.