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Service bulletins for the 2018 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.

718 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.
No. 26-182021-04-02. Service bulletin. ELECTRICAL SYSTEM. Information on a Navigation system update for the PCM3.1
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.
122-K9M7R-062021-03-06. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Resubmitting at request of Mr. Bernard Hardgrave. Information on fogging lighting components.
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. 80-202021-03-02. Service bulletin. ENGINE AND ENGINE COOLING. Porsche recall information for ALA4 - Replacing the Fuel Supply Line in the Engine Compartment (Delivery Stop / Recall Campaign).
No. 05-212021-03-02. Service bulletin. ELECTRICAL SYSTEM. Instructions on how to install a new HV battery in the Cayenne S E-hybrid.
No. D2512021-03-02. Service bulletin. EQUIPMENT. New parts promotion for all weather mats and cargo liner.
No. 21062021-03-02. Service bulletin. ELECTRICAL SYSTEM. Special tools information for High Voltage Protective Gear Requirements.
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. 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. 1758.22021-02-01. Service bulletin. EQUIPMENT. Special tools information on Logo Templates and exchangeable inserts.
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. 1706.12021-02-01. Service bulletin. ELECTRICAL SYSTEM. Advanced technical information on packaging and test log requirements for HV Lithium Ion Battery Returns.
No. 1758.12021-02-01. Service bulletin. EQUIPMENT. Special tools information on Logo templates and exchangeable inserts.
No. 21012021-02-01. Service bulletin. EQUIPMENT. Special tools information on renting logo templates.
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.
No. D5402021-02-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Parts withdrawal information for an electric motor.

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