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Service bulletins for the 2020 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.

1073 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. 2014.12020-10-01. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES. Advanced technical information on AC charging hardware.
No. 148-202020-10-01. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AXLE ASSEMBLY. Spare Parts Requirements for Drive Motor on Front/Rear Axle in the Taycan.
No. 20152020-10-01. Service bulletin. ELECTRICAL SYSTEM. Advanced Technical information on invalid Porsche ID - Selected Password is Not Being Accepted.
No. 2001.12020-10-01. Service bulletin. ELECTRICAL SYSTEM. Additional Advanced technical information on P1C9500 Faults causing the Instrument Cluster Warning “Transmission failure – Park vehicle safely” and Immobility
PIWIS2001ac2020-10-01. Service bulletin. ELECTRICAL SYSTEM. Information on PIWIS Tester III Online Update 39.700.000, .010 & .012
WLG62020-09-02. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY. Porsche intranet communication for Porsche Workshop campaign WLG6 - Reprogramming control unit for high voltage charger (OBC).
No. 20142020-09-02. Service bulletin. ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES. Advanced Technical information on 40 amp cable supply operating and safe temperatures.
No. 132-202020-09-02. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; VISIBILITY:GLASS, SIDE/REAR; VISIBILITY:REAR WINDOW WIPER/WASHER; ELECTRICAL SYSTEM:WIRING. Spare parts requirements and information for replacing the rear window on the Taycan.
No. 20122020-09-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Special Tools info on Taycan Charge Port and Battery Lid tools.
No. 110-202020-09-02. Service bulletin. STRUCTURE; EQUIPMENT; ELECTRICAL SYSTEM:WIRING. Instructions on how to rework the main wire harness in the passenger compartment in the event of the trim panel sticking up.
No. 20112020-09-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. Information on a recommended HV battery fire blanket for work on HV vehicles.
No. 123-202020-09-02. Service bulletin. ELECTRICAL SYSTEM. Service campaign information for Porsche Workshop Campaign WLG6 - Re-Programming High-Voltage Charger (OBC) Control Unit
No. 134-202020-09-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM. Service Campaign information for Porsche workshop campaign WLH3 - Checking Plug Connection for Water Drain Hose and Connecting it Correctly if Necessary.
WLD02020-08-05. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting for Porsche Workshop Campaign WLD0 - Replacing high-voltage line between high-voltage distributor and E-box.
WLE32020-08-05. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting for Porsche Workshop Campaign WLE3 - Replacing 12V vehicle electrical system battery
WLG22020-08-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Porsche intranet posting for Porsche Workshop Campaign WLG2 - Updating software of various control units.
No. 102-202020-08-05. Service bulletin. ELECTRICAL SYSTEM. List of additional measures and parts required for the passenger compartment wiring harness.
No. 77-202020-08-05. Service bulletin. ELECTRICAL SYSTEM. Campaign instructions for Porsche workshop campaign WLD0 - Replacing High-Voltage Line Between High-Voltage Distributor and E-Box.
No. 44-202020-08-05. Service bulletin. ELECTRICAL SYSTEM. List of spare parts requirements for high voltage components.
No. 84-202020-08-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Campaign information on Porsche workshop campaign WLG2 - Updating Software for Various Control Units.
No. 66-202020-08-05. Service bulletin. ELECTRICAL SYSTEM. Campaign instructions for Porsche Workshop Campaign WLE3 - Replacing Vehicle Electrical System Battery.
No. D4a2020-07-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Document showing the evolution of Porsche Vehicles since 1948.
PIWIS2001v2020-07-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Information on new PIWIS tester update 39.500.020 and .025.
No. 20092020-07-01. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT ADAPTIVE/MOBILITY. Information on approved In-Ground Lifts for use with the Taycan
No. 20012020-07-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Information on possible charging interruptions while charging the Taycan using a Delta Wallbox Charger.

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