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
Only bulletins with component: Engine are shown. Show all
| No. 60-21 | 2021-09-03. Service bulletin. ENGINE AND ENGINE COOLING. List of approved engine C30 engine oils for all Porsche vehicles using C30 oil. |
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| No. 61-21 | 2021-09-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. List of approved engine oils for all Porsche models using C40 oil. |
| No. 8-20 | 2021-09-02. Service bulletin. ENGINE AND ENGINE COOLING. Installation instructions for retrofitting a sports exhaust on the Cayenne S. |
| No. 25-20 | 2021-08-04. Service bulletin. ENGINE AND ENGINE COOLING. Instructions for performing adaptation drive in the event that there are engine running faults and a CEL on in the vehicle. |
| No. 68-21-3 | 2021-08-02. Service bulletin. ENGINE AND ENGINE COOLING. Instructions for fixing a rattling noise in the rear area of the exhaust system. |
| No. 2009.2 | 2021-07-06. Service bulletin. ENGINE AND ENGINE COOLING. Advanced technical information on downstream oxygen sensor errors. |
| No. 25-20 | 2021-07-06. Service bulletin. ENGINE AND ENGINE COOLING. Instructions for performing adaptation drive in the event that there are engine running faults or the check engine light comes on. |
| No. D568 | 2021-07-06. Service bulletin. ENGINE AND ENGINE COOLING. Parts withdrawal information for a gasket set. |
| ATI21601 | 2021-06-28. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Red Hybrid Warning in the Instrument Cluster and Temperature Faults in High Voltage Power Electronics POAEE00, POAF300, P0BD200 stored in High Voltage Power Electronics. The coolant hose with the above part number has a built in thermostat which can sometimes stick, causing high temperature faults in the e-Machine. |
| No. 17-21 | 2021-06-02. Service bulletin. ENGINE AND ENGINE COOLING. List of approved engine oils for new and classic Porsche models. |
| No. 20-19 | 2021-06-02. Service bulletin. ENGINE AND ENGINE COOLING. Installation and conversion instructions for installing a sports exhaust system on the E3 Cayenne. |
| No. 41-21 | 2021-05-05. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on checking the fuel injectors in the event of Engine Knocking, Jerking or Vibrations During Acceleration. |
| No. 55-21 | 2021-05-05. Service bulletin. ENGINE AND ENGINE COOLING. Instructions for removing and installing the drive belt on 8 cylinder gas engines since 2017. |
| No. 13-21 | 2021-04-05. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. List of approved C20 style engine oils for classic and new Porsche models since 1984. |
| No. 09-21 | 2021-04-02. Service bulletin. ENGINE AND ENGINE COOLING. List of approved A40 style engine oils for new and classic Porsche vehicles MY 1984 and newer. |
| No. 08-21 | 2021-04-02. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C40 engine oils for new and classic Porsche vehicles MY 1984 and newer. |
| No. 07-21-1 | 2021-04-02. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C30 engine oils for all new and Classic Porsche vehicles MY1984 and newer. |
| No. 03-21 | 2021-04-02. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C20 engine oils for all new and classic Porsche models 1984 and newer. |
| 122-V2W7U-12 | 2021-03-05. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Resubmitting at request of Mr. Bernard Hardgrave. Instructions on how to rework the exhaust system on the Cayenne S in the every that there is a buzzing noise from the Exhaust system during deceleration. |
| No. D549 | 2021-03-02. Service bulletin. ENGINE AND ENGINE COOLING. Parts withdrawal information for a valve spring. |
| No. 80-20 | 2021-03-02. 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. 03-21 | 2021-03-02. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on how to remedy a check engine error message that "Oxygen sensor Downstream of Catalytic Converter - Signal Too Slow from Lean to Rich" in the new Cayenne S. |
| WLL2 | 2021-02-02. Service bulletin. ENGINE AND ENGINE COOLING. Porsche intranet posting with preliminary information for Dealers about Workshop Campaign WLL2 - Subsequent work on mounting for catalytic converter. |
| No. 181-20 | 2021-02-01. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. Porsche service campaign information for Workshop campaign WLL2 - Reworking Catalytic Converter Mounting. |
| No. 54-20 | 2021-01-05. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. List of approved A40 style engine oils for new and classic Porsche models. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.