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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
No. 1758.32021-12-07. Service bulletin. EQUIPMENT. Special tools information for logo templates and exchangeable inserts.
No. 165-212021-12-07. Service bulletin. ELECTRICAL SYSTEM. Information for "Incorrect fuel level display" warning/fault memory B10581B or MIL on.
No. 21332021-12-07. Service bulletin. EQUIPMENT. Special tools information for coolant cart foam update.
No. 21182021-11-05. Service bulletin. EQUIPMENT; ENGINE. Special tools for new Cayenne and Panamera engine tools.
No. 21162021-11-05. Service bulletin. EQUIPMENT. Special tools information for a new contact surface cleaning set.
No. 111-202021-11-05. Service bulletin. SERVICE BRAKES, HYDRAULIC. Information on symptom-based workshop manual. Disc brakes - squealing noises at low speed from rear axle area.
No. 97-212021-11-05. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C30 engine oils for all Porsche models using C30 oil.
No. 98-212021-11-05. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C20 engine oils for all Porsche models using C40 oil.
No. 96-212021-11-05. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C20 engine oils for all Porsche models using C20 oil.
No. 2126-22021-11-05. Service bulletin. EQUIPMENT. Special tools information for a new HUD calibration board.
No. 21242021-11-05. Service bulletin. EQUIPMENT. Special tools information for a new thrust piece for the Cayenne Turbo S.
No. 31-202021-11-04. Service bulletin. ELECTRICAL SYSTEM. Information for handling 12v lithium-ion batteries.
No. 2108.12021-11-04. Service bulletin. ELECTRICAL SYSTEM; LANE DEPARTURE. Instructions on advanced technical information for lane change assist warning.
No. 38-142021-10-06. Service bulletin. EQUIPMENT. Installation and conversion instructions for retrofitting a bicycle rack on a variety of vehicles.
No. 15-202021-10-06. Service bulletin. EQUIPMENT. Installation and conversion instructions for retrofitting a front dashcam on the Cayenne.
No. 21212021-10-06. Service bulletin. ELECTRICAL SYSTEM. Advanced technical information on a dynamic calibration fault for the Cayenne.
No. 75-21-22021-10-06. Service bulletin. SEATS. Porsche Recall repair information for Recall Campaign AMB0 – Retrofitting Heating Element for Passenger Seat Backrest.
No. 2113.12021-10-06. Service bulletin. ELECTRICAL SYSTEM:INTERIOR LAMPS/BULBS; UNKNOWN OR OTHER. Special Tools information for Deutronic Signal Lamps.
No. 25-202021-10-06. Service bulletin. ENGINE AND ENGINE COOLING. Instructions for performing adaptation drive for vehicles with engine running faults.
No. 75-212021-10-06. Service bulletin. SEATS. Porsche Recall repair information for Recall campaign AMB0 – Retrofitting Heating Element for Passenger Seat Backrest.
No. 64-212021-10-06. Service bulletin. WHEELS; TIRES. List of approved wheel and tires for the new Cayenne.
No. 1904.22021-10-06. Service bulletin. EQUIPMENT. Information on new special tool requirements for all vehicles.
No. 104-202021-10-06. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, GASOLINE:STORAGE:AUXILLARY TANK. Instructions for replacing the fuel tank in the event of rattling noises.
No. 36-21-12021-10-06. Service bulletin. ELECTRICAL SYSTEM. Instructions for reprogramming the HV Charger Control unit in the event that charging is canceled.
No. 59-212021-09-03. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C20 engine oils for all Porsche models using C20 oil.

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