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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
WTK42026-10-02. Service campaign. ELECTRICAL SYSTEM. Porsche intranet posting with Campaign WTK4 information
No. WTK42026-10-02. Service campaign. ELECTRICAL SYSTEM. Technical Information for Campaign WTK4 – Reset Vehicle Electrical System Battery
No. 103-25-22026-10-02. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM; POWER TRAIN. Technical Information for Need to Replace Components of the High-Voltage Battery - High-Voltage Battery Control Unit / Cell module; No Mixed Installation Permitted: Observe Specified Approach
No. 86-262026-10-02. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Technical Information for Vehicle Color in Front Display/Control Panel Wrong after Replacing Central Computer (PCM)
No. 84-262026-10-02. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM; STRUCTURE:BODY. Technical Information for Filler Flap on Vehicles with Hybrid Drive System (PHEV) Does Not Close
No. 81-262026-10-02. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Technical Information for Yellow Warning Message “All-Wheel Drive System Malfunction”, “C12BEF6” and “C133700” in the All-Wheel Electronics Control Unit
No. 12-262026-10-02. Service bulletin. ELECTRICAL SYSTEM. Technical Information for Damage to Nano Plug Contacts Due to Utilization of Incorrect Measuring Equipment
No. 43-262026-10-02. Warranty extension. VISIBILITY/WIPER; ELECTRICAL SYSTEM. Technical Information for Warranty Extension for Front Door Wiring Harness related to Real Top View (RTV) issues
No. 2433-42026-09-04. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. Information on Advanced Technical Information for Porsche Mobile Charger NEMA Supply Cable Initialization Failure
No. 2315-12026-09-04. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. Information on Advanced Technical Information for Porsche Mobile Charger Plus (PMC+) Red LEDs and Fault B191E49
No. 2109-32026-09-04. Service bulletin. ELECTRICAL SYSTEM. Information on Advanced Technical Information for Critical 12V Li-ion Battery Recycling
No. 58-262026-09-04. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY/WIPER. Symptom-based workshop manual for Reversing Camera Spray Nozzle Not Working - Dirty/Clogged/Air in the System
GR13D7942026-08-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Parts Withdrawal - Various Parts
ASB22026-08-05. Service campaign. ELECTRICAL SYSTEM; BACK OVER PREVENTION: WARNINGS. Re-Programming Assistance System Control Unit (Stop Delivery/Recall Campaign)
2229.122026-08-05. Service bulletin. ELECTRICAL SYSTEM. ConBox Current Draw Discharges 12 V Battery
GR13D7902026-07-08. Other. ELECTRICAL SYSTEM; ENGINE. Parts Withdrawal - Various Parts
03/26 91022026-07-07. Service bulletin. BACK OVER PREVENTION: WARNINGS; ELECTRICAL SYSTEM. Complaint Regarding the Camera View (Real Top View) in the PCM Central Display (03/26)
15/23 27972026-07-07. Service bulletin. ELECTRICAL SYSTEM. High-Voltage Battery Cannot be Charged / Fault Memory Entry “B200000” in the High-Voltage Charger Control Unit (15/23)
WTA82026-06-05. Service campaign. ELECTRICAL SYSTEM. Porsche intranet posting with information on WTA8 Workshop Campaign - Replace High- Voltage Battery Control Unit
WTA92026-06-05. Service campaign. ELECTRICAL SYSTEM. Porsche intranet posting with information on workshop campaign WTA9 - replace high voltage battery
No. TLLI26022026-06-05. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Tech live look information bulletin for How to use Frontline.io on the HoloLens 2
No. TLLI26012026-06-05. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. Tech live look information bulletin for how to use fronline.io on mobile devices and tablets.
No. D7852026-06-05. Service bulletin. FUEL/PROPULSION SYSTEM; STRUCTURE:BODY; ELECTRICAL SYSTEM. Parts information for parts withdrawal involving 9J1827447B, PAA971221B, and 95B201060AA. The lock, the fuel tank attachments, and the module connector. The vehicles affected are ones that use the part number(s) mentioned.
No. 2210.32026-06-05. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM. Instructions on advanced technical information for 9YA – Electric Parking Brake Warning in the Instrument Cluster
No. 03-262026-06-05. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY/WIPER. Technical information for a Complaint Regarding the Camera View (Real Top View) in the PCM Central Display

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