Vehicle recall 21V271000 · April 21, 2021
2021 Porsche Cayenne
The lock nut on the trailing arm of the rear axle may break due to stress corrosion.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Porsche Cars North America, Inc. (Porsche) is recalling certain 2021 Cayenne, Cayenne S, Cayenne Turbo, Cayenne GTS, Cayenne Coupe, Cayenne S Coupe, Cayenne Turbo Coupe, and Cayenne GTS Coupe vehicles. The lock nut on the trailing arm of the rear axle may break due to stress corrosion.
- Consequence
- A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a crash.
- Remedy
- Porsche will notify owners, and dealers will replace the lock nuts, free of charge. The recall began on June 18, 2021. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AMA9.
- 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.
Recall details
- NHTSA campaign
- 21V271000
- Reported to NHTSA
- April 21, 2021
- Filed by
- Porsche Cars North America, Inc.
- Manufacturer campaign
- AMA9
- Owner notification
- June 18, 2021
- Vehicles potentially affected
- 1,568
- Initiated by
- the manufacturer
- Components
- Suspension › Rear › Axle › Non-powered axle assembly
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Porsche Cayenne (2021): 2021
Has your Porsche been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Porsche dealer can also check your VIN. Recall repairs are free.