Airbag control unit with part number 95910-G4000

What is the function of the Airbag Control Unit 95910-G4000?

The Airbag Control Unit 95910-G4000 is the central control unit (SRS Control Unit) of the occupant protection system in the Hyundai i30 of the PD series. It processes data from crash sensors and is responsible for precisely and rapidly deploying airbags and seatbelt pretensioners in the event of a collision.

As the brain of the passive safety system, this module continuously monitors all connected components, such as airbags, seat occupancy detection, seatbelt pretensioners, and impact sensors. Upon a collision, it analyzes incoming signals and determines which restraint systems need to be activated to provide optimal protection for occupants. The part number 95910-G4000 is specifically designed for the electronic architecture of the Hyundai i30 PD and its facelift models.

Why does the Airbag Control Unit 95910-G4000 fail?

The most common cause of failure for the 95910-G4000 control unit is the storage of crash data after an accident. This data permanently blocks system functions and cannot be erased using conventional diagnostic tools. Other causes include internal electronic faults or issues with the power supply.

After an airbag deployment or activation of the seatbelt pretensioners, an irreversible entry is stored in the control unit’s internal memory. This safety measure prevents the reuse of a potentially compromised device. As a result, the module becomes electronically locked, even though the hardware itself is often undamaged.

Electrical malfunctions can also lead to defects. Error codes such as B1102 indicate insufficient voltage or a problem with the power supply, while code B1620 points to an unspecified internal fault within the control unit itself. Such errors necessitate chip-level repairs.

For repair purposes, knowledge of comparable or interchangeable part numbers is also relevant. In workshop settings, the following numbers are frequently referenced alongside 95910-G4000: 95910-S0000, G4959-10000, 285013238, 95910-A6000, 95910-A6100, 95910-A6300, 95910-Q4000, and 95910-K4000.

How do you recognize a defect in the 95910-G4000?

A defective 95910-G4000 control unit primarily manifests as the airbag warning light remaining constantly illuminated on the instrument cluster. Often, communication with the control unit via a diagnostic tool is also impossible, as it is blocked by internal faults or stored crash data.

The most noticeable symptom is the airbag warning light. It stays lit after starting the engine or reactivates shortly thereafter—typically after about 30 seconds—and remains on. This indicates a critical system error that compromises passenger safety.

Another clear sign is when the workshop’s diagnostic equipment cannot access the airbag control unit. The inability to read fault codes or communicate with the module strongly suggests an internal defect or blockage caused by crash data.

In many cases, specific error codes such as B1102 (low power supply) or B1620 (internal fault) are stored in the fault memory. However, it can also occur that no fault codes are recorded after an airbag deployment, yet the warning light continues to glow persistently.

In which models is the 95910-G4000 installed?

The airbag control unit with part number 95910-G4000 is exclusively designed for the third generation of the Hyundai i30. It is used across all body styles and trim levels of this model series, including facelifted versions.

At Airbag24, we repair this control unit for the following specific Hyundai model series:

Hyundai i30 (PD) from 2017 to 2020

Hyundai i30 (PD 1st Facelift) from 2020 to 2024

Hyundai i30 (PD 2nd Facelift) from 2024 onward

How is the 95910-G4000 professionally repaired?

Professional repair at Airbag24 involves fully restoring the factory settings. Stored crash data is deleted at the processor level, and any internal electronic faults are corrected. Following a final functional test, the control unit is once again fully operational.

After removal and shipment of the control unit to Airbag24, it undergoes a standardized process. First, a thorough diagnosis identifies the root cause of the issue. Next, the internal memory of the control unit is read out, and the crash data is irreversibly erased. If additional electronic defects are present, they are repaired at the component level.

The control unit is then reprogrammed and restored to its original factory condition. A final test on a dynamometer simulates vehicle operating conditions, ensuring all functions operate flawlessly. We offer 2 years' statutory liability for defects on every repair.

Is it worth repairing 95910-G4000?

Yes, repair is an extremely cost-effective and technically sound alternative to the expensive purchase of a new unit. Not only do you save substantial costs—often more than 50%—but you also receive a fully functional component that can be reused in your vehicle without any additional coding.

According to the manufacturer, a new control unit typically costs over 200 euros. Repairing it is significantly cheaper while restoring full functionality. You get a part that matches the quality of a brand-new unit, all while conserving valuable resources.

A key advantage is that the repaired original control unit is plug-and-play. Since it was already configured for your vehicle, no time-consuming re-coding or programming by an authorized workshop is required after installation. This saves both time and money.