NHTSA (USA)Critical
2021 PORSCHE CAYENNE GTSNHTSA Campaign #21V341000
The official notice
Defect
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.
Safety Risk
Cracks may cause engine damage and a stall or an oil leak, increasing the risk of a crash or fire.
Remedy
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.
12 vehicles affectedMfr ref: AMB1Updated June 10, 2026