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Service bulletins for the 2021 Porsche Taycan

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.

970 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. WSH62025-08-06. Service campaign. ELECTRICAL SYSTEM; VISIBILITY/WIPER. Technical information for WSH6 - Re-Coding Control Unit for Left and Right Headlights (
No. 2320.22025-08-06. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the PCM display that is stuck on loading spinner/Porsche logo
No. 51-252025-08-06. Service bulletin. ELECTRICAL SYSTEM. Technical information for Ambient Lighting Adjustment for Cup Holder / Center Console Not Possible Via Front Display and Control Panel: Check and Update Software Release of Front-End Electronics (BCM1) Control Unit if Necessary
No. 26-252025-08-05. Service bulletin. ELECTRICAL SYSTEM. Technical information for Warranty Information: 22 kW High-Voltage Charger (OBC) Warranty Extension
No. 65-232025-08-05. Service bulletin. ELECTRICAL SYSTEM. Technical information for Various Fault Patterns for Porsche Communication Management (PCM) With Software Version 37xx / 38xx: Performing Software Update
No. 36-25-22025-08-04. Service bulletin. ELECTRICAL SYSTEM. Symptom based workshop manual: No Vehicle Electrical System Voltage / 12 V Lithium-Ion Vehicle Electrical System Battery Discharged - Unlocking or Starting the Vehicle is Not Possible
WSH42025-08-04. Service campaign. ELECTRICAL SYSTEM. Technical information for WSH4 - Re-Programming High-Voltage Battery Control Unit
No. 174-242025-08-04. Service bulletin. ELECTRICAL SYSTEM. Technical information for ARB5 - Replace the Cell Block Module on High-Voltage Battery
No. 197-242025-07-09. Service bulletin. ELECTRICAL SYSTEM. Technical information for ARB6 - Re-Programming High-Voltage Battery Control Unit
No. 198-242025-07-09. Service bulletin. ELECTRICAL SYSTEM. Technical information for ARB7 - Re-Programming High-Voltage Battery Control Unit
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
No. 194-242025-07-08. Service bulletin. ELECTRICAL SYSTEM. Technical information for working on high voltage battery: additional photo documentation required when removing high voltage battery
No. 11-242025-06-02. Service campaign. ELECTRICAL SYSTEM. Technical information for APB6 – Supply cable for Porsche Mobile Charger with NEMA Power Plug
No. 25022025-06-02. Service bulletin. ELECTRICAL SYSTEM. Tech live look information on transition to dynamics 365 remote assist
WSD82025-05-07. Service campaign. ELECTRICAL SYSTEM. Porsche intranet posting with information on workshop campaign WSD8 - replacing electric passenger compartment heater
WSA12025-05-07. Service campaign. ELECTRICAL SYSTEM. Porsche intranet posting with information on workshop campaign WSA1 - check high voltage battery and replace cell block module if necessary
No. 200-242025-05-07. Service campaign. ELECTRICAL SYSTEM. Technical information for WRS1 - checking high voltage battery and replacing cell block module if necessary
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. 22-252025-05-07. Service bulletin. ELECTRICAL SYSTEM. Technical information Various Fault Memory Entries Regarding Refrigerant Pressure Sensors
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. 20252025-05-06. Service campaign. ELECTRICAL SYSTEM; SEATS. Technical information for WSD8 - Replacing Electric Passenger Compartment Heater
No. 194-242025-05-06. Service bulletin. ELECTRICAL SYSTEM. Technical information on Working on High-Voltage Battery: Additional Photo Documentation Required when Removing the High-Voltage Battery
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. 194-242025-05-06. Service bulletin. ELECTRICAL SYSTEM. Technical information for working on high voltage battery - additional photo documentation required when removing high voltage battery

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