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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. 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.
No. 60-212021-09-03. Service bulletin. ENGINE AND ENGINE COOLING. List of approved engine C30 engine oils for all Porsche vehicles using C30 oil.
No. 61-212021-09-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. List of approved engine oils for all Porsche models using C40 oil.
No. 107-212021-09-02. Service bulletin. STEERING; EQUIPMENT. Porsche recall repair information for Recall Campaign AMB4 – Replacing Steering Column Screws on Steering Gear.
No. 21122021-09-02. Service bulletin. EQUIPMENT. Special tools information on new Redline Dual Purpose Diagnostic Leak Locator.
No. 117-212021-09-02. Service bulletin. ELECTRICAL SYSTEM. Instructions on how to remedy a message in the instrument cluster for 'Failure ABS/PSM' relating to a defect in one or more speed sensors.
No. 20-142021-09-02. Service bulletin. EQUIPMENT. Installation instructions for retrofitting a roof box on a variety of Porsche models.
No. 48-212021-08-04. Service bulletin. WHEELS; TIRES. List of approved wheels and tires for the Cayenne E3.
No. 45-212021-08-04. Service bulletin. WHEELS; TIRES. List of approved wheels, tires, and spacers for the Cayenne.
No. 2114.12021-08-04. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Advanced technical information for updating the PVTS CU Software in the event that the engine will not start.
PIWIS2101ac2021-07-06. Service bulletin. EQUIPMENT. Information on new PIWIS Tester update #40.300.020.
No. 21142021-07-06. Service bulletin. ELECTRICAL SYSTEM. Advanced technical information on Updating PVTS CU Software in the event that the Engine will not start.
PIWIS2101ab2021-07-06. Service bulletin. EQUIPMENT. Information on PIWIS tester update #40.300.000 & .010.
No. 15-202021-07-06. Service bulletin. EQUIPMENT. Installation and conversion instructions for a Cayenne Dashcam.
No. 25-212021-07-06. Service bulletin. WHEELS. List of approved wheels and tires for the Cayenne.
No. 21-212021-07-06. Service bulletin. WHEELS. List of approved wheels and tires for the Cayenne.
PIWIS2101aa2021-07-06. Service bulletin. EQUIPMENT. Information on new PIWIS Tester update #40.250.040
No. 2100.12021-07-06. Service bulletin. ELECTRICAL SYSTEM. Information on offline MAP service updates for the PCM4 and PCM5.
No. D13.22021-07-06. Service bulletin. EQUIPMENT. Information on new PIWIS Tester program for independent repair facilities.
No. D5682021-07-06. Service bulletin. ENGINE AND ENGINE COOLING. Parts withdrawal information for a gasket set.
PIWIS2101z2021-07-06. Service bulletin. EQUIPMENT. Information on Porsche PIWIS Tester update #40.250.030 & .035.
ATIALL416052021-06-28. Service bulletin. EQUIPMENT; SERVICE BRAKES. Understanding and addressing brake squeal complaints.
ATIALL416042021-06-28. Service bulletin. EQUIPMENT; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. 2003 to Present All with tire pressure monitoring system.

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