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U0154

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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MERCEDES-BENZ, MERCEDES-MAYBACH

This is to notify you of the Service Campaign Launch to update the SCN coding for the drive unit DRVU Control Unit in 66,944 Model Year (MY) 2023 C-Class, GLC, S-Class, and SL (206, 223, 232, and 254 platform) vehicles. The vehicles will be visible and flagged in VMI as OPEN on April 5, 2024. Mercedes-Benz AG, the manufacturer o…

MERCEDES-BENZ, MERCEDES-MAYBACH

Complaint Check engine light activated Fault codes stored in AMG Drive Unit N145/1 (DRVU3) B1F9713 U015400 U188D00 Cause Timing variance on wakeup of ethernet control units Remedy A solution is in development for listed faults in AMG drive unit (DRVU3). Clear fault codes and perform 2 drive cycles allowing vehicle to sleep in be…

Check vehicle applicability

15

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-BenzAMG C43 ↗2023
Mercedes-BenzAMG C63 S ↗2023
Mercedes-BenzAMG C63 S E ↗2023
Mercedes-BenzAMG GLC43 ↗2023
Mercedes-BenzAMG GLC63 S ↗2023
Mercedes-BenzAMG SL43 ↗2023
Mercedes-BenzAMG SL55 ↗2023
Mercedes-BenzAMG SL63 ↗2023

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.