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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
No. 206-202021-04-02. Service bulletin. POWER TRAIN. Workshop information for a transmission symptom, how to deal with oil leaks on the transfer box.
122-S6Q2R-062021-03-06. Service bulletin. EQUIPMENT; SERVICE BRAKES. Resubmitting at request of Mr. Bernard Hardgrave. Advanced technical information on brake fluid for all Porsche vehicles.
No. D5462021-03-02. Service bulletin. EQUIPMENT. Parts withdrawal information for a compass.
No. D5502021-03-02. Service bulletin. EQUIPMENT; STRUCTURE. Parts withdrawal information for a radial seal.
No. D5492021-03-02. Service bulletin. ENGINE AND ENGINE COOLING. Parts withdrawal information for a valve spring.
No. D5452021-03-02. Service bulletin. ELECTRICAL SYSTEM. Parts withdrawal information for assorted control units.
No. D2512021-03-02. Service bulletin. EQUIPMENT. New parts promotion for all weather mats and cargo liner.
No. 70-202021-02-02. Service bulletin. WHEELS. List of approved wheels and tires for the new Cayenne.
No. 1820.12021-02-02. Service bulletin. STRUCTURE. Special tools information on a measuring and alignment system.
No. 100-202021-02-02. Service bulletin. LATCHES/LOCKS/LINKAGES. Porsche service campaign information for Workshop campaign WKL3 - Replacing Ball Pins on Rear Lid
No. 111-202021-02-01. Service bulletin. POWER TRAIN. Instructions on how to reduce or remove speaking noises at low speeds from the rear axle area.
No. 1844.12021-02-01. Service bulletin. EQUIPMENT. Special tools information on the new initial tool set for the E3 Cayenne.
No. 21022021-02-01. Service bulletin. POWER TRAIN. Special tools information about a mounting bracket for the Cayenne transmission.
No. 21012021-02-01. Service bulletin. EQUIPMENT. Special tools information on renting logo templates.
No 226-20-32021-02-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Instructions for clearing a Tire pressure monitoring system error message in the instrument cluster.
No. 21002021-02-01. Service bulletin. EQUIPMENT. Porsche Specials tools update for an offline SD Card update for the Map services.
No. 29-182021-02-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; TRAILER HITCHES. Installation and conversion instructions for retrofitting a Trailer hitch on the Cayenne.
No. D5422021-02-01. Service bulletin. ELECTRICAL SYSTEM. Parts withdrawal information for a control panel.
WLK82021-01-05. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting with preliminary information for Workshop campaign WLK8 - Porsche Communication Management (PCM) software update.
No. 190-202021-01-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Porsche service campaign information for Workshop campaign WLK8 - Porsche Communication Management (PCM) Software Update.
No. 57-202021-01-05. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. List of approved C40 style engine oils for MY21 and newer Porsche models.
No. 56-202021-01-05. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. List of approved C30 style engine oils for MY21 and newer Porsche models.
No. 55-202021-01-05. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. List of approved C20 style engine oils for new Porsche models as of 2021.
No. 20002020-11-06. Service bulletin. ENGINE AND ENGINE COOLING. Advanced Technical information on a NVH Lubrication kit.
No. 133-192020-11-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Information on how to connect to apple iPhone via usb cable in the event that the customer is experiencing issues.

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