WenmarOpen by Wenmar Pro

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. 197-21-2)2022-10-04. Service bulletin. ELECTRICAL SYSTEM. Technical information for WMP2 reworking charging electronics.
WML02022-09-09. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting with information on workshop campaign WML0 - retrofitting loudspeaker booster.
No. 197-21-12022-09-08. Service bulletin. ELECTRICAL SYSTEM. Technical information for WMP2 - reworking charging electronics.
No. 1804.12022-09-08. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Instructions on advanced technical information for the lubricant for the sunroof/sliding roof.
PIWIS2201an2022-09-08. Service bulletin. EQUIPMENT. Information for PIWIS tester update #41.300.000, .010 & .012
No. 22262022-09-08. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the Macan, Cayenne, and 911. restarts unexpectedly.
No. 22242022-09-08. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. Instructions on advanced technical information for the Cayenne and 911 - inno-drive does not function.
No. 147-222022-09-08. Service bulletin. VISIBILITY. Technical information for dust/spots on headlight lens for all models starting at model year 2020.
No. 155-21-12022-09-08. Service bulletin. ELECTRICAL SYSTEM. Technical information for WML0 - retrofitting loudspeaker booster on the Cayenne 2021-2023.
No. 197-21-22022-09-08. Service bulletin. ELECTRICAL SYSTEM. Technical information on WMP2 - reworking charging electronics.
No. 139-222022-09-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Technical information for the check engine warning light activated/fault memory entry.
No. 41-222022-09-08. Service bulletin. WHEELS. Instructions on the manufacturers certificate for approved wheels and tires.
No. 40-222022-09-08. Service bulletin. WHEELS. Instructions on the manufacturers certificate for approved wheels and tires.
No. 30-22-22022-09-08. Service bulletin. WHEELS. Instructions on the manufacturers certificate for approved wheels and tires.
No. 197-21-32022-09-08. Service bulletin. ELECTRICAL SYSTEM. Technical information for WMP2 - reworking charging electronics
No. 2002.12022-09-08. Service bulletin. EQUIPMENT. Special tools information for new blitz table replacement castors.
No. 197-21-42022-09-08. Service bulletin. ELECTRICAL SYSTEM. Technical information WMP2 - reworking charging electronics (workshop campaign)
No. 22162022-09-08. Service bulletin. EQUIPMENT. Special tools information for HV lift tools kit - for the Macan, Panamera, Cayenne, and Taycan
No. 22232022-09-07. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for OBC - DMC faults for control pilot (Cayenne and Panamera E-Hybrids)
No. 30-22-12022-09-07. Service bulletin. ELECTRICAL SYSTEM. Technical information for WMJ9 - reprograming gateway control unit (battery sensor)
No. 32-222022-09-07. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on the manufacturers certificate for approved C20 engine oils.
No. 34-222022-09-07. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on the manufacturers certificate for approved Porsche C30 engine oils.
No. 22212022-09-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Instructions on advanced technical information for the Cayenne E-Hybrid thermal management fault. Fault P26B100
No. 125-182022-09-07. Service bulletin. ELECTRICAL SYSTEM. Symptom base workshop manual for eliminating transmission symptoms - yellow warning message.
WMJ92022-08-17. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting with information on Workshop Campaign WMJ9 - reprograming control unit gateway

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