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Service bulletins for the 2020 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.

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

By type

By component

By trouble code

Bulletins, newest first
122-K8K8U-112019-11-01. Service bulletin. POWER TRAIN:AXLE ASSEMBLY; POWER TRAIN. Porsche intranet posting for WKJ4 campaign, which seeks to replace the rear axle differential on affected vehicles.
122-X3X2M-112019-11-01. Service bulletin. EQUIPMENT. Parts Withdrawal bulletin for the Ski Bag included with the Macan and Cayenne.
122-N3L7S-112019-11-01. Service bulletin. STRUCTURE:BODY:DOOR; EQUIPMENT. Information about retrofitting model designation on doors.
122-P8P9K-112019-11-01. Service bulletin. EQUIPMENT; STRUCTURE:BODY:DOOR. Information about retrofitting model designation on doors.
122-Q8E8E-112019-11-01. Service bulletin. TRAILER HITCHES. Information about retrofitting a trailer hitch on the new Cayenne.
122-A9G7N-112019-11-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Bulletin outlining SD card storage for PIWIS Testers.
122-S3R9Q-112019-11-01. Service bulletin. ELECTRICAL SYSTEM. New PIWIS Tester update 38.800.030
122-J7Y2Y-112019-11-01. Service bulletin. EQUIPMENT; SERVICE BRAKES, HYDRAULIC. Special tools bulletin for new brake fluid tester.
122-H6S4J-112019-11-01. Service bulletin. ELECTRICAL SYSTEM. New PIWIS Tester update 38.800.020
122-M5X4J-112019-11-01. Service bulletin. EQUIPMENT. Tools and equipment document highlighting new connector release tool set.
122-D4N9X-112019-11-01. Service bulletin. ELECTRICAL SYSTEM. New PIWIS tester updates 38.800.000 &.010
122-V8S5N-112019-11-01. Service bulletin. TIRES; WHEELS. List of approved wheels and tires for Cayenne models.
122-G2B4B-112019-11-01. Service bulletin. ENGINE AND ENGINE COOLING. List of approved A40 engine oils for Porsche vehicles.
122-L9C6S-102019-10-31. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting for WKC9 campaign, which seeks to reprogram the Connect control unit on affected vehicles.
122-J9E3Y-102019-10-31. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting for WKD0 campaign, which seeks to reprogram the gateway control unit on affected vehicles.
122-Z3C2E-102019-10-15. Service bulletin. ELECTRICAL SYSTEM. Announcement of new Tech Live look, which will put technicians into live chats with technical support if they should have an urgent issue
122-L8R6J-102019-10-15. Service bulletin. ELECTRICAL SYSTEM. Bulletin highlighting new updates 38.750, 38.750.000 for the Porsche PIWIS Tester 3
122-T3H2H-092019-09-23. Service bulletin. STRUCTURE. Instructions for installing the Porsche Bicycle Rack on applicable models with an already installed roof transportation system
122-E2L9P-092019-09-23. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS. Instructions for installing the Porsche Roof Box on applicable models with an already installed roof transportation system
122-N7P3S-092019-09-23. Service bulletin. STRUCTURE:BODY:TAILGATE. Bulletin detailing the lack of the "close tailgate with foot gesture" function for MY20 and newer Cayenne models.
122-M5G2V-092019-09-23. Service bulletin. WHEELS; TIRES. List of approved wheel and tire combinations for the MY18 and newer Cayenne models.

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