Airbag control unit with part number 95910-CZ500

What does the airbag control unit 95910-CZ500 do?

The airbag control unit 95910-CZ500 is the central control unit of the restraint system (SRS) in Hyundai. It evaluates the crash sensors, decides in a crash within fractions of a second which airbags and seatbelt pretensioners are triggered, and monitors the system continuously.

The unit shows faults via the airbag warning light in the instrument cluster. This ensures that a fault in the restraint system does not go unnoticed.

After a crash, the control unit stores crash data and locks itself.

Why does the control unit 95910-CZ500 fail?

The most common cause is crash data stored after an accident, even if no airbag has deployed; a standard diagnostic tool cannot erase it. Aged electronic components, cold solder joints, moisture and corrosion on plug connections, and voltage spikes are also possible causes.

Crash data is therefore a separate question: the electronics may be in order at the same time. Conversely, a fault can also arise without an accident, for example when the connections are affected.

Voltage spikes, for example from a weak battery or a jump start, put additional strain on the electronics.

How can you tell that the 95910-CZ500 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently. In addition, a fault message appears in the instrument cluster, the diagnostic tool cannot connect to the control unit, and the fault memory cannot be cleared.

The light is the most important warning sign. An intermittent light is just as serious as a permanent display, because in both cases the fault lies within the system.

In an emergency, airbags and seatbelt pretensioners may possibly fail to trigger if the unit is defective.

Which vehicles is the 95910-CZ500 fitted in?

The airbag control unit 95910-CZ500 is fitted in these vehicles: Hyundai Tucson NX4 (2020-2023) and NX4 Facelift (from 2023).

The vehicles for this part number are listed below.

• Hyundai Tucson NX4 (2020-2023)
• Hyundai Tucson NX4 Facelift (from 2023)

Comparing the part number on the label of the removed unit with this page confirms that it is the right unit. This comparison does not establish the cause. The fault memory must be read out beforehand, because it then shows whether the control unit or a plug or cable is causing the fault.

For the same vehicles, we also repair control units with the part numbers 28394001, 95910-CH310, 95910-CH320, 95910-CH610, 95910-CH620, 95910-CH630.

How does the repair of the 95910-CZ500 work?

First have the fault memory read out and enclose the log. Then disconnect the battery and only then remove the control unit. Online, create a repair order and send the well-packed unit in.

Airbag24 examines the unit on the test bench, replaces defective components, erases stored crash data and carries out a function test. Afterwards your own unit goes back to you.

Processing at Airbag24 usually takes 3–4 working days, counted only for inspection, repair and testing. Our repairs come with 2 years' statutory liability for defects. The repaired control unit comes back with all vehicle data and is ready for use as soon as it is refitted — no coding or programming is required.

How does the control unit 95910-CZ500 get to Airbag24?

You send the control unit 95910-CZ500 in as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 returns it to you by UPS.

Put the printed repair order into the parcel and pack the control unit shock-resistant.