The problem
Porsche Cars North America, Inc. (Porsche) is recalling certain 2021 Cayenne Turbo, Cayenne GTS, and Cayenne GTS Coupe vehicles. Cracks may develop on the surface of the engine cylinder bore.
The risk
Cracks may cause engine damage and a stall or an oil leak, increasing the risk of a crash or fire.
The fix
Dealers will replace the engine, free of charge. Owner notification letters were mailed July 9, 2021. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AMB1.
Recall details
| NHTSA campaign | 21V-341 (21V341000) |
|---|---|
| Manufacturer number | AMB1 |
| Manufacturer | Porsche Cars North America, Inc. |
| Component | Engine |
| Report date | May 12, 2021 |
| Owners notified | July 9, 2021 |
| Vehicles affected | 12 |
| Initiated by | Manufacturer |
Vehicles covered
Frequently asked questions
Is the recall 21V-341 repair free?
Yes. Porsche dealers will fix the problem at no cost: Dealers will replace the engine, free of charge. Owner notification letters were mailed July 9, 2021. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AMB1.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 12 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.