Airbag control unit with part number 95910-J3100

What does the airbag control unit 95910-J3100 do?

The airbag control unit 95910-J3100 is the central control unit of the restraint system (SRS) for Hyundai. It evaluates the signals from the crash sensors, decides within a fraction of a second in an accident which airbags and seatbelt pretensioners are triggered, and monitors the system continuously. If it detects a fault, it indicates this via the airbag warning light.

During operation the unit continuously checks the sensors, the airbags and the seatbelt pretensioners. It stores any irregularities it finds in the fault memory so that they can be traced later.

After an accident the control unit stores crash data and locks itself.

Why does the control unit 95910-J3100 fail?

The most common cause is crash data stored after an accident, even if no airbag was triggered; a normal diagnostic tool cannot erase it. Other causes are aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes, for example from a weak battery or a jump start.

The stored crash data arise after accidents, even if no airbag was triggered. They remain in the unit, and a normal diagnostic tool cannot remove them.

Aged components and cold solder joints cause faults that sometimes only appear intermittently. That makes them hard to pin down unless they are specifically looked for.

Moisture and corrosion at plug connections impair the contact. Voltage spikes, for example from a weak battery or a jump start, additionally stress the electronics.

How can you tell that the 95910-J3100 is defective?

A defect shows itself through the airbag warning light in the instrument cluster, which lights up permanently or intermittently, through an error message, or because the diagnostic tool cannot establish a connection to the control unit. A fault memory that cannot be erased is also a sign. In an emergency, airbags and seatbelt pretensioners may then fail to trigger.

The typical signs at a glance:

• Airbag warning light permanently or intermittently on
• Error message in the instrument cluster
• Diagnostic tool without connection to the control unit
• Fault memory cannot be erased

If any of these signs appear, have the fault memory read out before taking any further steps.

Which vehicles is the 95910-J3100 fitted in?

The control unit 95910-J3100 is fitted in these vehicles: Hyundai Veloster JS (2018-2022).

The following overview names the vehicles for which the unit is listed:

• Hyundai Veloster JS (2018-2022)

Compare the part number on the label of the removed unit with this page. This tells you whether it is the right unit. Also have the fault memory read out, because only the result shows whether the control unit is defective 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-J3100 work?

First have the fault memory read out and enclose the log. Then disconnect the battery, remove the control unit, create a repair order online and send the unit in well packed. Airbag24 tests the unit on the test bench, repairs defective components, erases stored crash data and carries out a function test; processing usually takes 3–4 working days.

The order is for your safety. The control unit is only removed once the battery is disconnected.

After the function test your own unit is returned to you. The stated time refers exclusively to the work at Airbag24.

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-J3100 get to Airbag24?

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

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