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Powertrain

P31EF

Code meaning and manufacturer information

OBD-II / DTC

Reference meaning

What does this code mean?

The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.

A code identifies a detected condition, not a part that must automatically be replaced.

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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Before replacing a part

Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.

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Manufacturer communications

2

Original wording in English

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No. 2420.1 ↗

PORSCHE

Instructions on advanced technical information for the Taycan - 11kw OBC: active fault memory entry P31EF00 cannot be deleted.

No. 2420 ↗

PORSCHE

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

Check vehicle applicability

3

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

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MakeModelModel year
PorscheTAYCAN ↗2025
PorscheTAYCAN TURBO ↗2026
PorscheTAYCAN TURBO GT ↗2025

Can I keep driving?

A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.