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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

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
No. 35-252025-09-08. Service bulletin. ENGINE. Manufacturers certificate for an Overview of Approved Porsche C40 Engine Oils
No. 34-252025-09-08. Service bulletin. ENGINE. Manufacturers certificate for an overview of approved Porsche C30 engine oils. Starting at model year 2021 vehicles.
No. 33-252025-09-08. Service bulletin. ENGINE. Manufacturers certificate for an overview of approved Porsche C20 engine oils. Starting at model year 2021 vehicles.
No. 32-252025-09-08. Service bulletin. ENGINE. Manufacturers certificate for overview of approved Porsche A40 engine oils. The vehicles affected are cars that use A40 engine oils. MY1997-2020
No. 29-252025-09-08. Service bulletin. ENGINE. Manufacturers certificate for overview of approved Porsche C20 engine oils. The vehicles affected are cars that use C20 engine oils. MY17-20
No. WRG82025-09-08. Service campaign. ENGINE. Technical information for WRG8 - replacing coolant regulator for the MY19-22 Cayenne Turbo S E-Hybrid
No. D7302025-09-05. Service bulletin. ENGINE. Parts information for Parts Withdrawal -Coolant pipe (PAB12113103). Vehicles not listed, but the affected cars are ones that use part number PAB12113103
No. 196-222025-08-06. Service bulletin. ENGINE. Technical information for Check Engine Warning Light Active / Fault Memory Entry "P26B100/00CB24" in the Thermal Management Control Unit (TME): Re-Programming Control Unit
No. D7272025-08-06. Service bulletin. ENGINE. Parts information for parts withdrawal involving the part numbers below. The vehicles affected are cars that use the part numbers listed. 971260601SX, 971260601SU, 971260601RU, 971260601QX, 971260601QU, 971260601Q
No. D7252025-08-05. Service bulletin. ENGINE. Parts information for parts withdrawal involving the high pressure injector (0PB128615C)
No. 180-18-22025-07-09. Service bulletin. ENGINE. Technical information for a Complaint - Cylinder Head Cover Near the Injector Holes Leaking: Subsequent Work on Cylinder Head (Cayenne models)
No. 2513.12025-07-08. Service bulletin. ENGINE. Instructions on advanced technical information for the exhaust flap signal not recognized on the E3 PHEV.
No. 19-252025-07-02. Service bulletin. ENGINE. Manufacturers certificate for an Overview of Approved Porsche C30 Engine Oils. The vehicles affected are cars that use engine C20 oil as of MY 2021.
No. 17-252025-07-02. Service bulletin. ENGINE. Manufacturers certificate for an Overview of Approved Porsche C40 Engine Oils. The vehicles affected are cars that use engine C20 oil as of MY 2021.
No. 16-252025-07-02. Service bulletin. ENGINE. Manufacturers certificate for an Overview of Approved Porsche C30 Engine Oils. The vehicles affected are cars that use engine C20 oil as of MY 2021.
No. 15-252025-07-02. Service bulletin. ENGINE. Manufacturers certificate for an Overview of Approved Porsche C20 Engine Oils. The vehicles affected are cars that use engine C20 oil as of MY 2021.
WRT92025-06-05. Service campaign. ENGINE. Porsche intranet post with information on WRT9 Workshop Campaign - Reprogramming DME control unit
No. 196-242025-06-02. Service campaign. ENGINE. Technical information for WRT9 - Re-Programming DME Control Unit
No. 25132025-06-02. Service bulletin. ENGINE. Instructions on advanced technical information for the Exhaust Flap Signal not Recognized on the Cayenne E-Hybrid
No. 70-242025-05-06. Service bulletin. ENGINE. Technical information for a Replacement Requirement for Pressure Sensors for Refrigerant Circuit - Mixed Installation Not Permitted
No. 70-242025-05-06. Service bulletin. ENGINE. Technical information for Replacement Requirement for Pressure Sensors for Refrigerant Circuit - Mixed Installation Not Permitted
No. 19-252025-05-06. Service bulletin. ENGINE. Technical information for Reduced Engine Power/Fault Memory Entry "P048E00" in the DME Control Unit: Check Electric Wire Harness for Exhaust Flap (Bank 1) Actuator
No. 10-252025-04-07. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM; ENGINE. Technical Information - Malfunction Indicator Light Active / Fault Memory Entry "P242100" or "P242200" in DME Control Unit: Observe Guided Troubleshooting (10 / 25)
No. 03-252025-03-06. Service bulletin. FUEL/PROPULSION SYSTEM; ENGINE. Manufacturer's Certificate - Overview of Approved Porsche C40 Engine Oils (03/25)
No. 02-252025-03-06. Service bulletin. FUEL/PROPULSION SYSTEM; ENGINE. Manufacturer's Certificate - Overview of Approved Porsche C30 Engine Oils (02/25)

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