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Powertrain

P0925

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 wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

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Mercedes-Benz P092500

Initial EEPROM (before performing any adaptations) - Current EEPROM data

NHTSA 11022048 ↗

Manufacturer communications

2

Original wording in English

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MERCEDES-BENZ

Complaint Transmission limp-home mode with fault message in IC "Gear Change to R Not Possible", the even gears are locked. The concern of transmission limp-home mode disappears after the ignition is switched off and on again. P092500 The shift valve of the hollow shaft has a malfunction. _ is present in the DKG Control Unit (Y3/…

MERCEDES-BENZ

Message in the IC "Gear Change to R Not Possible", the even gears are locked. Fault code P092500 is present in control unit Y3/14n4 (DKG) in combination with extended freeze frame data 25 F2 (see attachment). Transmission resumes normal operation after the ignition is switched off and on again.

Check vehicle applicability

22

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
Mercedes-BenzA 220 ↗2022
Mercedes-BenzA 220 ↗2021
Mercedes-BenzA 220 ↗2020
Mercedes-BenzA 220 ↗2019
Mercedes-BenzAMG GLB35 ↗2025
Mercedes-BenzAMG GLB35 ↗2024
Mercedes-BenzAMG GLB35 ↗2023
Mercedes-BenzAMG GLB35 ↗2022

Code meaning and manufacturer information

Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.

Gear Shift Reverse Actuator Circuit Range/Performance

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.