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P31D2 on the 2021 Porsche Taycan

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name P31D2
No. 2104.62023-12-08. Service bulletin. Instructions on advanced technical information for the Taycan - on board charger fault P31D200 “Charging Socket – Overtemperature”
No. 2104.52022-12-06. Service bulletin. Instructions on advanced technical information for the Taycan - On Board Charger (P31D200 “Charging Socket – Overtemperature”)
No. 2104.42022-08-05. Service bulletin. Instructions on advanced technical information for the Taycan - on-board charger fault P31D200 “Charging Socket – Overtemperature”
No. 2104.22022-02-04. Service bulletin. Advanced Technical information for the Taycan - onboard charger fault P31D200.

4 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.