2020 Porsche Cayenne S problems, complaints & recalls
Most-reported problem areas: Power Train (1)
Safety recalls (1)
Air Bags:sensor:occupant Classification:front Passenger 2021-05-05 · campaign 21V318000 · 136 vehicles
Defect: Porsche Cars North America, Inc. (Porsche) is recalling certain 2021 Cayenne GTS, Cayenne GTS Coupe, 2020-2021 Cayenne Coupe, Cayenne S Coupe, Cayenne E-Hybrid Coupe vehicles. The passenger seat back heating element was not installed and may impact the calibration of the Occupant Classification System.
Risk: The front passenger air bag may fail to deploy, increasing the risk of injury.
Fix: Dealers will install a heating element, free of charge. Owner notification letters were mailed June 25, 2021. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AMB0.
Service bulletins (536)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Visibility/Wiper 2026-09-24 · No. 96-26 · Service Bulletin/Repair Instructions
symptom-based workshop manual for noises from front wiper blade
Power Train 2026-09-22 · No. 28-26 · Service Bulletin/Repair Instructions
manufacturer's certificate for overview of approved porsche c40 engine oils. note that this bulletin covers all models back to model year 1984, for which c40 engine oils are allocated.
Power Train 2026-09-22 · No. 27-26 · Service Bulletin/Repair Instructions
manufacturer's certificate for overview of approved porsche c20 engine oils. note that the bulletin covers all models back to model year 1984, for which c20 engine oils are allocated.
Power Train 2026-09-22 · No. 26-26 · Service Bulletin/Repair Instructions
manufacturer's certificate for overview of approved porsche c30 engine oils. note that the bulletin includes all models back to model year 1984, for which c30 engine oils are allocated.
Power Train 2026-09-22 · No. 25-26 · Service Bulletin/Repair Instructions
manufacturer's certificate for overview of approved porsche a40 engine oils. note that this bulletin covers all vehicles from model year 1997 to 2020, for which a40 engine oils are assigned. model years 1997-2001 are not available for selection in the system.
Wheels 2026-09-14 · SPTL2609 · Service Bulletin/Repair Instructions
special tools and equipment information for alignment machines - q3 2026 software spec update available
Showing the 6 most recent of 536 bulletins. Search all of them free at nhtsa.gov.
What owners report
2021-11-19 · Power Train · 1,100 mi“the contact owns a 2020 porsche cayenne s. the contact stated while driving approximately 10 mph, there was a rough hard deceleration. the contact stated that the vehicle lurched forward causing the driver to apply the brakes. the check engine warning light was illuminated. the vehicle was taken to the local dealer where the contact was informed t…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.