Airbag control unit with part number 95910-3R420

What does the airbag control unit 95910-3R420 do?

The airbag control unit 95910-3R420 is the evaluation unit for the restraint system (SRS) in Kia. It processes the signals of the crash sensors, determines the triggering of the airbags and seatbelt pretensioners within milliseconds in an accident, and checks the system continuously. It shows faults via the airbag warning light.

After an accident the unit writes crash data into its memory and locks itself. During normal operation you notice nothing of this.

Why does the control unit 95910-3R420 fail?

Stored crash data is the most common cause, even if no airbag has fired. A normal diagnostic tool cannot delete this data. Added to this are aged components, cold solder joints, moisture and corrosion at plugs, as well as voltage spikes.

Crash data is among the causes that people do not expect, because the consequences for the control unit are hardly visible from outside.

The other causes develop gradually: electronics age, solder joints become brittle over time, and moisture attacks plug connections. Voltage spikes, by contrast, occur suddenly, for example with a weak battery or when a jump start is connected.

How can you tell that the 95910-3R420 is defective?

A defect shows itself through the airbag warning light in the instrument cluster, which stays on permanently or intermittently. In addition there may be an error message, a diagnostic tool without connection, and a fault memory that cannot be cleared. In an emergency, airbags and seatbelt pretensioners may then fail to deploy.

The light is a direct signal from the system. It does not sound the alarm without reason, so have the fault memory read out.

Anyone who postpones the read-out loses valuable time in finding the cause.

Which vehicles is the 95910-3R420 fitted in?

The airbag control unit 95910-3R420 is found in these vehicles: Kia Cadenza VG (2009-2016).

Here is the list of the assigned vehicles:

• Kia Cadenza VG (2009-2016)

Compare the part number on the label of the removed unit with this page. This only shows that it is the correct unit. Beforehand, have the fault memory read out, because only this result shows whether the control unit is defective or whether a plug or a cable is the cause.

For the same vehicles, we also repair control units with the part numbers 95910F6500.

How does the repair of the 95910-3R420 work?

First have the fault memory read out and enclose the log. Then disconnect the battery, only then remove the control unit 95910-3R420 and send it in packed after the repair order created online. Processing at Airbag24 generally takes 3–4 working days.

Airbag24 checks the unit on the test bench, replaces defective components and deletes the crash data. Then a function test follows, after which your own unit goes back to you.

The order of the steps is binding for safety reasons; deviations are not provided for.

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 95910-3R420 get to Airbag24?

You send the 95910-3R420 as a parcel to Airbag24, or alternatively book a UPS collection for an extra charge. Airbag24 sends it back to you by UPS after the repair.

Pack it shock-resistant and put the printed repair order into the parcel, and you are all set.