NHTSA campaign 21V697000 · Porsche campaign AMB9
Porsche Recall 21V-697: Pressure Input Rod On Brake Booster May Be Loose
NHTSA recall 21V697000 (Porsche campaign AMB9) was reported by Porsche Cars North America, Inc. on September 8, 2021, with 11 vehicles potentially affected (per NHTSA). NHTSA's record lists the Porsche 911 Carrera and Porsche Taycan for model years 2020–2021. Owners were notified on October 28, 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 21V697000 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.
Porsche VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 21V697000 (also written 21V-697 or 21V697)
- Filed by
- Porsche Cars North America, Inc.
- Porsche campaign number
- AMB9
- Report received
- Potentially affected
- 11 vehicles (per NHTSA)
- Component
- Service Brakes, Hydraulic — Foundation Components
- Owners notified
Repair completion: 100% (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 21V697000. 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.
Porsche
All Porsche recallsNHTSA's recall notice
As NHTSA's recall record states it for campaign 21V697000.
Defect description
Porsche Cars North America, Inc. (Porsche) is recalling certain 2020-2021 911 Carrera and Taycan vehicles. The pressure input rod connection on the brake booster may be loose and could detach.
Safety consequence
A detached pressure input rod will cause the brake pedal to fail, increasing the risk of a crash.
Manufacturer remedy
Dealers will repair or replace the brake booster as necessary, free of charge. Owner notification letters were mailed October 28, 2021. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AMB9.
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 21V697000
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.