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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. 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. 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. 95-212021-11-05. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C40 engine oils for all Porsche models using C40 oil.
No. 94-212021-11-05. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C30 engine oils for all Porsche models using C30 oil.
No. 93-212021-11-05. 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. 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.
WML02021-10-06. Service bulletin. EQUIPMENT. Porsche intranet posting with preliminary information about Workshop Campaign WML0 Stop Delivery – Retrofitting loudspeaker booster.
No. 119-21-72021-10-06. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; ELECTRICAL SYSTEM. Porsche Workshop campaign repair instructions for Workshop Campaign WMG0 – Retrofitting Tire Pressure Monitoring (TPM) Control Unit.
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. 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. 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. 55-212021-09-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Allocation of approved engine oils per model for all models MY21 and newer.
No. 56-21-22021-09-03. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. List of approved C20 engine oils for all Porsche models MY21 and newer.
No. 57-212021-09-03. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. List of approved C30 engine oils for all Porsche models MY21 and newer.
No. 58-212021-09-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. List of approved C40 engine oils for all Porsche models MY21 and newer.

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