Airbag control unit with part number 95910-1R450

What does the airbag control unit 95910-1R450 do?

The airbag control unit 95910-1R450 controls the restraint system (SRS) of Hyundai. It checks the signals from the crash sensors and decides in an accident, within fractions of a second, which airbags and seatbelt pretensioners are triggered.

The unit is neither a sensor nor an airbag itself, but the switching centre in between. It checks the wiring and the connected components continuously. If it detects a fault, it indicates this via the airbag warning light in the instrument cluster.

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

Why does the control unit 95910-1R450 fail?

For control unit 95910-1R450, the most common cause is crash data stored after an accident, even if no airbag has deployed. A normal diagnostic tool cannot erase this data. Aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes are also possible causes.

These entries are created even when no airbag has deployed, and they remain in the unit. The diagnostic tool in normal operation cannot remove them, so the fault stays in the memory.

The other causes relate mainly to age, moisture and electrical stress. Electronic components age, solder joints can be poorly connected, and voltage spikes, for example from a weak battery or a jump-start, put a strain on the electronics.

How can you tell that the 95910-1R450 is defective?

The airbag warning light in the instrument cluster stays on permanently or intermittently; this is the most important sign. Further signs are error messages in the instrument cluster, no connection between the diagnostic tool and control unit 95910-1R450, and a fault memory that cannot be cleared.

The light also signals a detected fault when it comes on only now and then. An error message in the display may accompany it or occur on its own.

As long as the fault exists, airbags and seatbelt pretensioners may not fire in an emergency. The warning light is therefore a signal that should lead to a prompt check.

Which vehicles is the 95910-1R450 fitted in?

Control unit 95910-1R450 was fitted in these vehicles from Hyundai: Hyundai Accent RB (2010-2017). The information is based on the assignments known so far.

The known vehicles are listed here:

• Hyundai Accent RB (2010-2017)

Comparing the part number on the label of the removed unit with this page only confirms that you have the right unit. This comparison does not show whether the control unit is defective. Therefore, have the fault memory read out beforehand, because only this log shows whether the control unit itself is the cause or a plug or cable is.

For the same vehicles, we also repair control units with the part numbers 95910-1R250, 95910-25200, 95910-25500.

How does the repair of the 95910-1R450 work?

For safety reasons, the sequence is as follows: first have the fault memory read out and enclose the log, then disconnect the battery and only then remove control unit 95910-1R450. Next, create a repair order online and send the unit in well packed. At Airbag24, testing, repair and function testing usually take 3–4 working days.

Airbag24 checks the unit on the test bench, replaces defective components, erases the stored crash data and carries out a function test. Only then is the unit sent back to you.

The sequence of steps is binding, because it keeps the work on the vehicle safe.

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 95910-1R450 get to Airbag24?

You send control unit 95910-1R450 as a parcel, or you book a UPS collection for an extra charge. After the repair, Airbag24 returns it to you by UPS.

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