2021 Porsche Cayenne recalled for rear axle suspension defect
Porsche is recalling certain 2021 Cayenne models because lock nuts on the rear axle may break due to stress corrosion, potentially causing loss of control and crash risk.
What this means for you
Illness, injury, or structural failure has been reported. Stop using the product immediately and contact the manufacturer for a refund or repair.
Our severity reasoning: This recall involves a structural defect in the rear axle suspension system, a safety-critical component. The defect meets the rubric criterion for a Severe rating: a structural vehicle defect with potential for loss of control and crash risk.
Plain-English summary
Porsche Cars North America, Inc. is recalling certain 2021 Porsche Cayenne models, including the Cayenne, Cayenne S, Cayenne Turbo, Cayenne GTS, Cayenne Coupe, Cayenne S Coupe, Cayenne Turbo Coupe, and Cayenne GTS Coupe. The lock nut on the trailing arm of the rear axle may break due to stress corrosion.
If a lock nut breaks, it may misalign the rear axle, causing loss of control and increasing the risk of a crash.
Porsche will notify owners, and authorized dealers will replace the affected lock nuts free of charge. The recall began on June 18, 2021. Owners can contact Porsche customer service at 1-800-767-7243 (Porsche recall number AMA9). For additional information, contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153) or visit www.safercar.gov.
The recalled product
- Product
- 2021 PORSCHE CAYENNE
- Brand
- PORSCHE
- Manufacturer
- Porsche Cars North America, Inc.
- Category
- Vehicle — Suspension / Rear Axle
- Hazard
- suspension-defect
- loss-of-control
- Affected units
- 1,568
Is your product affected?
Check your packaging against the codes below. If any of them match, the product is part of this recall.
Model numbers (1)
- CAYENNE
Distribution
Distributed nationwide across the United States.
Related recalls
Same brand · PORSCHE
- HighPorsche Cayenne, Panamera fuel pump fasteners inadequately tightened
NHTSA · 2026-11-09
- Severe2024 Porsche Cayenne Front Suspension Control Arm May Crack and Fail
NHTSA · 2025-04-07
- High2024 Porsche Cayenne Rear Lighting Control Software Defect Recall
NHTSA · 2025-03-07
- High
- High2022–2023 Porsche 911 GT3 Rear Spoiler Control Software Error
NHTSA · 2025-02-06
Same category
- Severe2026 Ford Explorer and Mustang Engine Piston Circlip Defect Recall
NHTSA · 2028-07-03
- Severe2025–2026 Ford Bronco Sport and Maverick Occupant Sensor Recall
NHTSA · 2028-07-03
- High2026 Mercedes-Benz and Maybach Models Rear Seat Belt Recall
NHTSA · 2028-05-05
- High2026 Subaru Forester Hybrid power moonroof glass panel detachment
NHTSA · 2028-04-05
- High2026-2027 Volvo VHD VN VNL VNR VAH trucks wheel lug nut detachment
NHTSA · 2028-04-05