2020–2021 Porsche 911 Carrera, 2020–2021 Porsche Taycan Recall: Pressure input rod connection on the brake booster may be loose and could…
NHTSA campaign 21V697000 · Service Brakes, Hydraulic · filed Sep 8, 2021 · verified Jul 30, 2026
The defect
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.
The risk
A detached pressure input rod will cause the brake pedal to fail, increasing the risk of a crash.
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 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.
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 Porsche 911 Carrera recalls
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- 2019 Porsche 911 and 1 other model — Screw connection on the rear axle upper control arm may be…
- 2020 Porsche 911 Carrera — Front axle differential bracket may not have been tightened…
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Other campaigns involving Porsche vehicles
Source: NHTSA recall database, campaign 21V697000 (manufacturer number AMB9). Data last verified Jul 30, 2026.