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Service bulletins for the 2014 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.

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

By type

By component

By trouble code

Bulletins, newest first
PIWIS2001ad2020-10-01. Service bulletin. ELECTRICAL SYSTEM. Information on PIWIS Tester III Online Update 39.700.020
No. 33-202020-10-01. Service bulletin. ENGINE AND ENGINE COOLING. Overview of Approved Porsche C20 Engine Oils
PIWIS2001ac2020-10-01. Service bulletin. ELECTRICAL SYSTEM. Information on PIWIS Tester III Online Update 39.700.000, .010 & .012
No. 8HP65AX2020-10-01. Service bulletin. POWER TRAIN. System description document of automatic transmission - 8HP65AX
No. 83-20.12020-09-02. Service bulletin. POWER TRAIN. Extended warranty info for the Cayenne Transfer Gear MY11-14.
No. 43-102020-08-05. Service bulletin. POWER TRAIN. Various repair symptoms and their associated repairs for all PDK transmissions.
No. 20-202020-08-05. Service bulletin. TIRES; WHEELS. List of approved wheel, tires, and spacers for the Cayenne.
No. 26-092020-08-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Recommendations on how to store any Porsche vehicle since 2009.
No. D4982020-08-05. Service bulletin. EQUIPMENT. Information on parts withdrawal of an engine from all dealers.
No. 20002020-08-05. Service bulletin. ENGINE AND ENGINE COOLING. Updated warranty and repair information concerning timing chain cover repairs due to any failure of the chain.
Charging lockup2020-07-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Info on a new customer tool for looking up campaigns and recalls on their vehicle.
No. D4a2020-07-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Document showing the evolution of Porsche Vehicles since 1948.
No. 2-172020-07-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; EQUIPMENT:ELECTRICAL. Installation and Conversion instructions for installing a Cool Bag on several models.
PIWIS2001v2020-07-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Information on new PIWIS tester update 39.500.020 and .025.
No. 41-202020-07-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. Instructions on how to perform a PVTS Software update in the event that a car will not start.
No. 2007.12020-06-02. Service bulletin. VEHICLE SPEED CONTROL. Instructions for clearing adaptive cruise control faults and warnings.
No. 122-192020-06-02. Service bulletin. WHEELS; VEHICLE SPEED CONTROL. Information on the Extended warranty for wheel speed sensors on the Cayenne.
No. 04-112020-06-02. Service bulletin. SEATS. Instructions for reworking the seat cover in the event that dark spots begin to appear as a result of using seat ventilation.
No. 31-122020-06-01. Service bulletin. ELECTRICAL SYSTEM. Instructions for what to do in the event that the customer loses the driver's key while transporting the vehicle.
No. 41-202020-06-01. Service bulletin. ELECTRICAL SYSTEM. Instructions for how to perform a software update on the Control unit for the auxiliary alarm system in the event that the vehicle will not start.
122-M8J3B-052020-05-04. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C40 engine oils for all Porsche models since 1984.
122-F4J4K-042020-04-02. Service bulletin. ENGINE AND ENGINE COOLING. List of approved engine oils for all Porsche models.
122-P4S4B-042020-04-01. Service bulletin. ENGINE AND ENGINE COOLING. Information on crankcase/piston ring replacement, stating that mixed installation is not permitted and a full replacement must take place.
122-J4L4X-032020-03-05. Service bulletin. EQUIPMENT. Bulletin outlining new blitz table replacement castors due to a high rate of failure reported by dealers.
122-H6D8D-032020-03-05. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining new PIWIS tester update 39.100.030 & .035

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