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Service bulletins for the 2021 Porsche Cayenne

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

829 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
PIWIS2302d2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on PIWIS tester update 42.250.032
PIWIS2302C2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on PIWIS tester update 42.250.030
PIWIS2302b2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on PIWIS tester update 42.200.025
No. 89-232023-10-05. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). Technical information for WPH4 - recoding control unit for assistance systems
PIWIS2302a2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on PIWIS tester update 42.200.020 & .022
No. 23142023-10-05. Service bulletin. ELECTRICAL SYSTEM. Special tools and equipment information for all Porsche models. Diagnostic equipment standards.
No. 22-232023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. Manufacturers certificate for an overview of approved Porsche C40 engine oils.
No. 21-232023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. Manufacturers certificate for an overview of approved Porsche C30 engine oils.
No. 20-232023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. Manufacturers certificate for an overview of approved Porsche C20 engine oils.
No. 68-21-22023-10-05. Service bulletin. ENGINE AND ENGINE COOLING. Symptom-based workshop manual for a rattling noise from the rear area of the exhaust system.
PIWIS2301az2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on PIWIS tester update 42.200.000 – 42.200.012
No. 23132023-10-05. Service bulletin. ELECTRICAL SYSTEM. Special tools and equipment information for the Pico Oscilloscope Extended Functionality
No. D52023-09-09. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES. Parts information for parts withdrawal on the locks made to original key code
No. D6472023-09-09. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PUMP. Parts information on parts withdrawal for the oil pump
No. 2229.92023-09-09. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. Information on advanced technical information for the Cayenne and 911 - conbox current draw discharges 12v battery
No. 2117.12023-09-09. Service bulletin. ELECTRICAL SYSTEM; COMMUNICATION:MANUFACTURER TELEMATICS. Information on advanced technical information for the connect registration and pairing PDI tips.
No. 23182023-09-09. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Information on advanced technical information for the wall charger connect - ground fault troubleshooting
No. 95-232023-09-09. Service bulletin. SEATS. Symptom-based workshop manual for the Cayenne - front seat symptom. knocking/whinning noise from the seat frame.
No. 29-182023-09-09. Service bulletin. TRAILER HITCHES. Installation and conversion instructions for the trailer hitch on the Cayenne
No. 15-202023-09-09. Service bulletin. LANE DEPARTURE: SENSING SYSTEM: CAMERA; FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA; VISIBILITY. Installation and conversion instructions for the Cayenne
No. 31-202023-09-08. Service bulletin. ELECTRICAL SYSTEM. Technical information for diagnosis and handling of the 12 volt lithium-ion battery
No. 10-232023-09-08. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on manufacturers certificate for approved Porsche C30 engine oils.
No. 14-232023-08-04. Service bulletin. ENGINE AND ENGINE COOLING. Manufacturers certificate for allocation of approved engine oils
No. 23162023-08-04. Service bulletin. SEATS. Instructions on advanced technical information for the Cayenne - front seats make excessive noise during longitudinal adjustment
PIWIS2301as2023-08-03. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.100.000, .010 & .011

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.