HomeP1B77 · Code meaning and manufacturer information
Powertrain

P1B77

Code meaning and manufacturer information

P1B77

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.

Manufacturer communications

1

Original wording in English

24-EV-004G

GENESIS

Reported code forms P1B77

This bulletin provides important special service instructions to properly repair a vehicle that has been diagnosed to require an Integrated Charge Control Unit (ICCU) replacement, such as required for DTC P1A9096 DC to…

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Check vehicle applicability

2

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

MakeModelModel year
GenesisGV80 EV2024
GenesisGV80 EV2023

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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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.