The problem
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.
The fix
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.
Recall details
| NHTSA campaign | 21V-697 (21V697000) |
|---|---|
| Manufacturer number | AMB9 |
| Manufacturer | Porsche Cars North America, Inc. |
| Component | Service brakes, hydraulic › Foundation components |
| Report date | September 8, 2021 |
| Owners notified | October 28, 2021 |
| Vehicles affected | 11 |
| Initiated by | Manufacturer |
Vehicles covered
Plus 1 other model/year combinations not covered on this site.
Owner complaints about the brakes
Frequently asked questions
Is the recall 21V-697 repair free?
Yes. Porsche dealers will fix the problem at no cost: 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.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 11 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.