# Service bulletin No. 2420

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.

- Type: Service bulletin
- NHTSA id: 11005687
- Published by NHTSA: 2024\-08\-05
- Manufacturer's number: No. 2420
- Manufacturer's date: 2024\-07\-05
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Instructions on advanced technical information for the 2025 Taycan \- 11 kW OBC: Active Fault Memory Entry P31EF00 cannot be Deleted

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11005687-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11005687-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Trouble codes named

P31EF

## Vehicles listed

- 2025 PORSCHE TAYCAN
- 2026 PORSCHE TAYCAN TURBO
- 2025 PORSCHE TAYCAN TURBO GT

## Other bulletins for the same vehicles and component

- [GR13D804](/bulletins/11037872.md), 2026-10-02, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM; VISIBILITY/WIPER; FUEL/PROPULSION SYSTEM. Parts Information for Parts Withdrawal \- High\-Voltage Heating \(PTC\)
- [WTL2](/bulletins/11037863.md), 2026-10-02, Service campaign: FUEL/PROPULSION SYSTEM; VISIBILITY/WIPER; ELECTRICAL SYSTEM; STRUCTURE:BODY; POWER TRAIN. Porsche intranet posting for Campaign WTL2 – Replacing Electric Passenger Compartment Heater
- [No. WTL2](/bulletins/11037862.md), 2026-10-02, Service campaign: ELECTRICAL SYSTEM; STRUCTURE:BODY; FUEL/PROPULSION SYSTEM; VISIBILITY/WIPER; POWER TRAIN. Technical Information for Campaign WTL2 – Replacing Electric Passenger Compartment Heater
- [No. 86\-26](/bulletins/11037805.md), 2026-10-02, Service bulletin: ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Technical Information for Vehicle Color in Front Display/Control Panel Wrong after Replacing Central Computer \(PCM\)
- [No. 12\-26](/bulletins/11037795.md), 2026-10-02, Service bulletin: ELECTRICAL SYSTEM. Technical Information for Damage to Nano Plug Contacts Due to Utilization of Incorrect Measuring Equipment
- [No. 43\-26](/bulletins/11037785.md), 2026-10-02, Warranty extension: VISIBILITY/WIPER; ELECTRICAL SYSTEM. Technical Information for Warranty Extension for Front Door Wiring Harness related to Real Top View \(RTV\) issues
- [No. WSL3](/bulletins/11037064.md), 2026-09-04, Service campaign: ELECTRICAL SYSTEM; VISIBILITY/WIPER. Technical Information for Workshop Campaign WSL3 – Replacing the Electric Passenger Compartment Heater
- [No. 2433\-4](/bulletins/11037061.md), 2026-09-04, Service bulletin: FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. Information on Advanced Technical Information for Porsche Mobile Charger NEMA Supply Cable Initialization Failure
- [No. 2315\-1](/bulletins/11037060.md), 2026-09-04, 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\-3](/bulletins/11037058.md), 2026-09-04, Service bulletin: ELECTRICAL SYSTEM. Information on Advanced Technical Information for Critical 12V Li\-ion Battery Recycling

JSON: [/v1/bulletins/11005687](/v1/bulletins/11005687)

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