Airbag control unit with part number 95910-4H500

What is the function of the airbag control unit 95910-4H500?

The airbag control unit with part number 95910-4H500 is the central control module for the passive safety system in Hyundai H‑1 and Starex models of the TQ series. It analyzes data from the acceleration sensors to ensure precise and timely deployment of airbags and seatbelt pretensioners in the event of a crash.

As the “brain” of the restraint system, this component continuously monitors the functionality of all connected sensors and actuators. In case of a malfunction or after an activation, it alerts the driver by illuminating the airbag warning light on the instrument panel.

The proper functioning of this control unit is critical for occupant safety, as it ensures that passive safety devices operate as intended at the crucial moment.

Why does the airbag control unit 95910-4H500 fail?

The most common cause of failure for control unit 95910-4H500 is the storage of crash data following an accident. This data permanently locks the unit. Other defects include internal electronic faults in components, which can result in error messages such as a “side sensor error” or complete communication failure.

Even if the airbags did not deploy during a collision, irreversible crash data remains stored in the control unit’s memory. This lockout is a manufacturer‑imposed safety feature that prevents further operation until the unit is professionally reset or replaced.

Besides crash‑data locking, individual electronic components on the circuit board may also fail. This often leads to specific diagnostic codes being read out during troubleshooting, or it can prevent the control unit from communicating with a diagnostic tool altogether.

How do you recognize a defect in control unit 95910-4H500?

A defective airbag control unit 95910-4H500 primarily manifests as the airbag warning light remaining illuminated on the dashboard. Additionally, the unit may become unreadable during diagnostics, or it may have stored specific error codes related to side sensors.

The clearest indication is the airbag warning light that fails to extinguish after the engine starts. This signals a serious fault in the safety system requiring immediate inspection.

Another clear symptom is the lack of communication between the control unit and a diagnostic tool. If the workshop cannot access the unit, this points to a severe internal defect.

In some cases, communication is possible, but persistent error codes appear that cannot be cleared. A typical example involves errors indicating issues with the side impact sensors, even though the sensors themselves are intact.

In which vehicles is control unit 95910-4H500 installed?

The airbag control unit with part number 95910-4H500 is specifically used in Hyundai models of the TQ series. At Airbag24, we have experience repairing this control unit for the Hyundai H‑1 and Hyundai Starex, manufactured between 2008 and 2020.

Our technical expertise covers the following specific models and model years:

Hyundai H‑1 TQ (2008–2018)

Hyundai H‑1 TQ Facelift (2018–2020)

Hyundai Starex TQ (2008–2018)

Hyundai Starex TQ Facelift (2018–2020)

How does repair of 95910-4H500 work at Airbag24?

The repair process at Airbag24 is designed for safe, long-lasting restoration. Upon receipt of the control unit, a comprehensive analysis is performed. Defective components are then replaced, and any stored crash data is erased if applicable. A final test confirms full functionality.

First, the removed control unit is sent to Airbag24. Here, it undergoes an initial inspection using state-of-the-art diagnostic equipment to pinpoint the exact cause of the fault—whether it’s a hardware defect on the circuit board or a lock caused by crash data.

The actual repair takes place at the component level. Our technicians carefully replace only the faulty parts or reset the internal memory to remove crash data. This approach is not only cost-effective but also preserves the vehicle’s original configuration.

Following successful repair, the control unit undergoes a functional test to ensure proper communication and flawless readiness. We provide 2 years' statutory liability for defects on every repaired unit.