Airbag control unit with part number 95910-J3500

What does the airbag control unit 95910-J3500 do?

In an accident the airbag control unit 95910-J3500 coordinates the airbags and seatbelt pretensioners of Hyundai models. The crash sensors supply it with the measured values from which it derives within milliseconds whether triggering is necessary. Between accidents it monitors the entire restraint system and indicates faults via the airbag warning light.

It continuously checks the wiring, the sensors and the actuators, and it stores any faults it finds in the fault memory, which a workshop or a diagnostic tool can read out.

An accident causes the unit to store crash data and lock itself.

Why does the control unit 95910-J3500 fail?

The most common cause is stored crash data after an accident, even if no airbag was triggered. An ordinary diagnostic tool cannot erase it; Airbag24 erases it during the repair. Other causes are aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes, for example with a weak battery or jump-starting.

Crash data also arises in accidents in which no airbags and seatbelt pretensioners were triggered.

The remaining causes concern the electronics themselves. Aged components and damp plugs can cause intermittent faults, while cold solder joints tend to lead to changing faults.

How can you tell that the 95910-J3500 is defective?

A defect shows itself when the airbag warning light in the instrument cluster lights up permanently or intermittently, when a fault message appears, when the diagnostic tool cannot establish a connection to the control unit, or when the fault memory cannot be cleared. In that case, airbags and seatbelt pretensioners may not deploy in an emergency.

The airbag warning light is the most important signal, because the system reports for itself that something is wrong. If the diagnostic tool gets no connection, the power supply or a cable may also be the cause; an inspection will clarify that. It is therefore advisable to have a fault checked promptly.

Which vehicles is the 95910-J3500 fitted in?

The control unit 95910-J3500 is fitted in these vehicles: Hyundai Veloster JS (2018-2022).

The models and versions for which this control unit is intended are shown in the following overview.

• Hyundai Veloster JS (2018-2022)

Before you send in the unit, compare the part number on the label with this page. This only shows that you have the correct unit, not whether it is defective. Therefore also have the fault memory read out, because only the result shows whether the control unit or a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 95910-K9000.

How does the repair of the 95910-J3500 work?

First have the fault memory read out and attach the log to the unit. Then disconnect the battery and only then remove the control unit. Next, create a repair order online and send the unit in well packed. Processing at Airbag24 usually takes 3–4 working days.

At Airbag24 the control unit goes onto the test bench, defective components are replaced, the stored crash data is erased and a function test is carried out. Afterwards your own unit is returned to you.

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-J3500 get to Airbag24?

You send the unit to Airbag24 as a parcel or book a UPS collection for an extra charge. Airbag24 sends it back to you by UPS after the repair.

Enclose the printed repair order and pack the unit shockproof.