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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: Electrical system are shown. Show all

Bulletins, newest first
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. 197-21-42022-09-08. Service bulletin. ELECTRICAL SYSTEM. Technical information WMP2 - reworking charging electronics (workshop campaign)
No. 30-22-12022-09-07. Service bulletin. ELECTRICAL SYSTEM. Technical information for WMJ9 - reprograming gateway control unit (battery sensor)
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
WNB52022-08-16. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Porsche intranet posting with information on Workshop Campaign WNB5 - recode front passenger side door control unit
WMJ62022-08-16. Service bulletin. ELECTRICAL SYSTEM; SEATS. Porsche intranet posting with information on Workshop Campaign WMJ6 - reprograming and-or coding seat control unit
WMK82022-08-16. Service bulletin. ELECTRICAL SYSTEM; WHEELS; EQUIPMENT. Porsche intranet posting with information on Workshop Campaign WMK8 - replacing wheel electronics for the tire pressure monitoring system
WMM72022-08-16. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting with information on Workshop Campaign WMM7 - replacing VTS control unit
No. 2210.22022-08-05. Service bulletin. PARKING BRAKE; ELECTRICAL SYSTEM. Instructions on advanced technical information for the electric parking brake warning in the instrument cluster.
No. 92-222022-08-04. Service bulletin. ELECTRICAL SYSTEM. Information the replacement requirement for head-up display: subsequent update after replacing head-up display hardware.
No.108-192022-06-02. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Information on symptom-based workshop manual - map details missing some regions: re-program navigation update using SD card.
No. 2210.12022-06-02. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES. Instructions on advanced technical information for electric parking brake warning in the instrument cluster
No. 30-222022-06-02. Service bulletin. ELECTRICAL SYSTEM. Information on WMJ9 - re-programing gateway control unit (battery sensor)
No. 2116.12022-05-03. Service bulletin. SEATS; ELECTRICAL SYSTEM; SEAT BELTS. Instructions on advanced technical information for red warning in the instrument cluster - occupant seat belt not fastened.
No. 38-222022-05-03. Service bulletin. ELECTRICAL SYSTEM. Technical information related to workshop campaign WNB5 - recoding door control unit on front passengers side.
No. 2207.12022-04-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Advanced technical information for WMM7.
No. 127-192022-04-05. Service bulletin. ELECTRICAL SYSTEM. Symptom based workshop manual for a white message in the instrument cluster "emergency call function fault - service necessary"
No. 180-21-22022-04-05. Service bulletin. ELECTRICAL SYSTEM. Information on WMM7 - replacing VTS control unit.
No. 180-21-12022-04-05. Service bulletin. EQUIPMENT:MECHANICAL; ELECTRICAL SYSTEM. Technical information for WMM7 - replacing VTS control unit.
No. 22052022-03-04. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; ELECTRICAL SYSTEM. Instructions on advanced technical information for Cayenne and Panamera with EVAP faults sought for analysis purposes.
No. 209-212022-03-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Technical information for a complaint and error message - "engine control fault" immediately after starting the vehicle.
No. 180-212022-03-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Information for recall campaign WMM7 replacing VTS control unit.
No. 211-212022-03-03. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:DOOR. Symptom-based workshop manual - for a noise symptom a buzzing from the front door panel area. Reworking the door panel.

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