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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: Electrical system are shown. Show all

Bulletins, newest first
No. 37-252025-07-09. Service bulletin. ELECTRICAL SYSTEM. Symptom based workshop manual for a red warning message "Vehicle Electrical System Malfunctioning" in the Instrument Cluster in Conjunction with the Fault Memory Entry "B114811" in the Rear-End Electronics Control Unit
No. 108-192025-07-08. Service bulletin. ELECTRICAL SYSTEM. Information on Symptom based workshop manual information for the vehicle interior - map details missing in some regions: programming navigation update using SD card.
No. 2433.12025-07-08. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the Porsche Mobile Charger plus supply cable initialization failure for the Taycan, Panamera, and Cayenne
WSC72025-06-05. Service campaign. ELECTRICAL SYSTEM. Porsche intranet posting with information on WSC7 - Workshop campaign – Re-program high-voltage power electronics control unit + PSM control unit
No. 11-242025-06-02. Service campaign. ELECTRICAL SYSTEM. Technical information for APB6 – Supply cable for Porsche Mobile Charger with NEMA Power Plug
No. WSA42025-06-02. Service campaign. ELECTRICAL SYSTEM. Technical information for WSA4 – Re-Programming Gateway Control Unit (Battery Sensor)
No. 173-232025-06-02. Service campaign. ELECTRICAL SYSTEM. Technical information for WPD8 – Re-Programming High-Voltage Battery Control Unit (BMC)
SPTL25082025-06-02. Service bulletin. ELECTRICAL SYSTEM. Special tools and equipment information for the HV Warning signs. Includes Hybrid, PHEV and BEV
No. 25022025-06-02. Service bulletin. ELECTRICAL SYSTEM. Tech live look information on transition to dynamics 365 remote assist
WPD82025-05-07. Service campaign. ELECTRICAL SYSTEM. Porsche intranet posting with information on workshop campaign WPD8 - reprogramming high voltage battery control unit
No. 2413a2025-05-07. Service bulletin. ELECTRICAL SYSTEM. Special tools and equipment information for data signal strength and speed in the Porsche Center - MRT Requirments
No. 245-242025-05-07. Service bulletin. ELECTRICAL SYSTEM. Technical information for a vehicle electrical system battery discharged: it is not possible to start or unlock vehicle.
No. 22-252025-05-07. Service bulletin. ELECTRICAL SYSTEM. Technical information Various Fault Memory Entries Regarding Refrigerant Pressure Sensors
No. 20252025-05-06. Service campaign. ELECTRICAL SYSTEM. Technical information for WSC7 - reprogramming high voltage power electronics and PSM control unit
No. 2-222025-05-06. Service bulletin. VISIBILITY/WIPER; ELECTRICAL SYSTEM. Installation and conversion instructions for the led tail light with light panel. ONLY approved for vehicles with virtual pedal (4E6) and/or Comfort Access (4F2)!
No. 25062025-05-06. Service bulletin. ELECTRICAL SYSTEM. Special tools and equipment information for VAS 6292 Spec Update 2025.0.1. All models
No. 95-222025-05-06. Service bulletin. ELECTRICAL SYSTEM. Technical information Charging of the High-Voltage Battery Not Possible or Faulty, Error Messages After Charging: Re-Program High-Voltage Charger (OBC) Control Unit
No. 11-252025-05-06. Service bulletin. ELECTRICAL SYSTEM. Technical information for Various Error Messages regarding Driver Assistance Systems in the Instrument Cluster / Passive Fault Memory Entry "C12D5FA" in the Driver Assistance System Control Unit
No. 173-232025-05-06. Service campaign. ELECTRICAL SYSTEM. Technical information for WPD8 – Re-Programming High-Voltage Battery Control Unit
WSB42025-04-07. Service campaign. ELECTRICAL SYSTEM. Technical Information - WSB4-Re-Programming External Communication Control Unit (Workshop Campaign)
WSA42025-04-07. Service campaign. ELECTRICAL SYSTEM. Technical Information - WSA4–Re-Programming Gateway Control Unit (Battery Sensor)(Workshop Campaign)
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. 11-252025-04-07. Service bulletin. LANE DEPARTURE: WARNING; ELECTRICAL SYSTEM; LANE DEPARTURE: ASSIST. Technical Information - Various Error Messages regarding Driver Assistance Systems in the Instrument Cluster / Passive Fault Memory Entry "C12D5FA" in the Driver Assistance System Control Unit (ZFAS) (11/25)
No. 109-242025-03-06. Service campaign. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. Technical Information - WPU1–Supply Cable with NEMA Power Plug and Updating Porsche Mobile Charger Software (Workshop Campaign)
No. 227-242025-03-05. Service bulletin. ELECTRICAL SYSTEM; STEERING. Technical Information - Telephone Buttons on the Multi-Function Steering Wheel Occasionally Not Functioning: Re-Program Instrument Cluster Control Unit (227/24)

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