WenmarOpen by Wenmar Pro

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. 31-202020-07-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Instructions on how to handle 12V vehicle batteries.
No. WLF22020-06-02. Service bulletin. SEAT BELTS; ELECTRICAL SYSTEM. Porsche intranet posting for WS Campaign WLF2.
No. 31-122020-06-01. Service bulletin. ELECTRICAL SYSTEM. Instructions for what to do in the event that the customer loses the driver's key while transporting the vehicle.
122-X8Q4A-052020-05-05. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting for Workshop campaign WLB3.
122-Q4T3Q-052020-05-05. Service bulletin. ELECTRICAL SYSTEM. Workshop campaign instructions for WS campaign WLB3 - Replacing Ground Point for External Power Connection.
122-Q5C3T-052020-05-04. Service bulletin. ELECTRICAL SYSTEM. Information on what to do if a PCM software update fails on the new Taycan.
122-X6C5Q-052020-05-04. Service bulletin. ELECTRICAL SYSTEM. Instructions for deactivating "Flight Mode" in the Taycan in the event of an "Emergency Call Function Fault" message.
122-R6N3G-052020-05-04. Service bulletin. ELECTRICAL SYSTEM. Instructions for recalibrating the electric motor in the event of a message for a "Drive Control Fault".
122-L6U7K-052020-05-04. Service bulletin. ELECTRICAL SYSTEM. List of spare parts requirements for servicing the High Voltage components on the Taycan.
122-R9U9R-042020-04-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Porsche intranet posting for Workshop Campaign WKK8.
122-B2S7Y-042020-04-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Porsche intranet posting for Workshop Campaign WLC5.
122-P2W6J-042020-04-02. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting for Workshop Campaign WLB1.
122-D7R2W-042020-04-02. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Workshop campaign instructions for campaign WKK8, which seeks to replace and teach the remote controls on affected vehicles.
122-L7U2K-042020-04-02. Service bulletin. ELECTRICAL SYSTEM. Workshop campaign instructions for campaign WLC5, which seeks to update the software for various control units on affected vehicles.
122-A7C3J-042020-04-02. Service bulletin. ELECTRICAL SYSTEM. Workshop Campaign instructions for Campaign WLB1, which seeks to remove the adapter cable in the left fuse box from affected vehicles.
122-N3E8M-042020-04-02. Service bulletin. ELECTRICAL SYSTEM. Instructions for reprogramming the Function on Demand controls in the event that they are not functioning.
122-R8Y7E-042020-04-01. Service bulletin. ELECTRICAL SYSTEM. Instructions for resetting the vehicle to factory settings because of a fault in the PCM Screen after the deactivation of Transport Mode.
122-H6D8D-032020-03-05. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining new PIWIS tester update 39.100.030 & .035
122-A7A7M-032020-03-05. Service bulletin. ELECTRICAL SYSTEM. Advanced Technical info on disconnecting the High Voltage system on the new Taycan before performing a Terminal 30 reset.
122-Y6J3P-032020-03-05. Service bulletin. ELECTRICAL SYSTEM. Instructions for fixing the fault code B200000 on the new Taycan. The fault is for the E Call warning.
122-L9G3B-032020-03-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Instructions for key programming on the Taycan in the event that the key programming is not successful.
122-Y2Y9K-032020-03-05. Service bulletin. ELECTRICAL SYSTEM. Instructions for fixing the customer complaint that their Taycan is not charging.
122-G5E5Y-032020-03-05. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Advanced Technical info on unexpected behavior from placing certain items in the center console at startup on the new Taycan.
122-D4L9L-032020-03-05. Service bulletin. ELECTRICAL SYSTEM. Advanced Technical info on gateway faults controlled by the 12V battery in the Taycan. If the fault is permanent and caused by a completely dead battery, the battery will have to be replaced.
122-V4J2F-032020-03-05. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining PIWIS tester update 39.200.000, .010, .015, .016, & .017

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