WenmarOpen by Wenmar Pro

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. 2116.22023-08-03. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the red warning instrument cluster - occupant seat belt not fastened.
PIWIS2301aq2023-08-03. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Information for PIWIS tester update 42.000.048
No. 2229.82023-08-03. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the conbox current draw discharges 12v battery - Cayenne and 911.
PIWIS2301ap2023-08-03. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.000.040
PIWIS2301ao2023-08-03. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.000.035
No. 23112023-07-06. Service bulletin. EQUIPMENT. Special tools information on an upgrade to the pushers for the VAS5237
No. 268-222023-07-06. Service bulletin. STEERING; ELECTRICAL SYSTEM. Technical information for an activated warning message "power steering reduced" in conjunction with fault memory entry B200049.
No. 2229.72023-07-06. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the conbox draw discharges 12v battery.
WNN12023-06-06. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting with information on workshop campaign WNN1 - supplying drivers manual for Porsche Mobile Charger
No. 2235.22023-06-06. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on advanced technical information for the display of coolant temperature showing too high in the Panamaera, Macan, and Cayenne.
No. 29-182023-06-06. Service bulletin. TRAILER HITCHES. Installation and conversion instructions for the trailer hitch on the 2018-2023 Cayenne.
No. 2221.22023-05-03. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on advanced tehcnical information for the Cayenne E-Hybrid - thermal management fault (P26B100) causes a check engine light
No. 2302.12023-05-03. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING:HEADLIGHTS; VISIBILITY. Instructions on advanced technical information for the Cayenne - auxiliary headlight incorrect operation
No. 2307-12023-05-03. Service bulletin. EQUIPMENT. Special tools and information on the sealing ring extractor
No. 2226.12023-05-03. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the Macan, Cayenne, and 911 - restarts unexpectedly - software fix temporarily unavailable.
No. 2224.12023-05-03. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the Macan, Cayenne, and 911 - Porsche innodrive software temporarily unavailable
No. 2229.62023-05-03. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for Cayenne and 911 conbox current draw discharges 12v battery
No. 15-202023-05-03. Service bulletin. VISIBILITY. Installation and conversion instructions for the front camera on the Cayenne
No. 104-202023-05-03. Service bulletin. FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY. Symptom based workshop manual for a rattling noise form the fuel tank area - replacing fuel tank with new type of fuel tank
No. 23072023-05-03. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on advanced technical information for the display of "coolant temperature too high" in Group V6 and V8 Engines
No. 31-202023-04-07. Service bulletin. ELECTRICAL SYSTEM. Technical information for the diagnosis and handling of 12v lithium ion battery
No. 02-23-12023-04-06. Service bulletin. ENGINE AND ENGINE COOLING. Manufacturers certificate for approved engine C20 engine oils.
No. 2221.12023-04-06. Service bulletin. ENGINE AND ENGINE COOLING. Advanced technical information for the Cayenne E-Hybrid - thermal management fault P26B100 Causes Check Engine Light
No. D4a2023-04-06. Service bulletin. EQUIPMENT. Product knowledge for the Porsche evolution from 1948-2023.
No. 143-182023-04-06. Service bulletin. BACK OVER PREVENTION; VISIBILITY. Symptom-based workshop manual for One or More Camera Views in the Central Display of the PCM are Black - Possible Water Intrusion

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