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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. 2224.22023-08-03. Service bulletin. ELECTRICAL SYSTEM. Instructions for advanced technical information for the PCM and Porsche innodrive software temporarily unavailable
No. 23152023-08-03. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the Porsche Mobile Charger
PIWIS2301ar2023-08-03. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Information for PIWIS tester updates 42.000.050 & .051
No. 180-18-22023-08-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Technical information for a complaint involving the cylinder head cover near the injector holes leaking.
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.
No. 53-21-22023-08-03. Service bulletin. ELECTRICAL SYSTEM. Technical information for the message “e-power not available” appears in the instrument cluster with the message “oil level too high"
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. 1706.22023-07-06. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for packaging and test log requirements for high voltage lithium-ion battery returns.
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. 15-232023-06-06. Service bulletin. ELECTRICAL SYSTEM. Technical information for a complaint involving the high-voltage battery that cannot be charged/fault memory entry B200000 in the high voltage charger control unit
No. 23082023-06-06. Service bulletin. ELECTRICAL SYSTEM. Special tools and equipment for the map update service for the PCM4 and 5
No. 29-182023-06-06. Service bulletin. TRAILER HITCHES. Installation and conversion instructions for the trailer hitch on the 2018-2023 Cayenne.
No. 32-232023-06-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ENGINE AND ENGINE COOLING. Technical information for a message "engine control system fault" in conjunction
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

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