Airbag control unit with part number 95910-2B770

What does the airbag control unit 95910-2B770 do?

The airbag control unit 95910-2B770 is the SRS control unit of Hyundai: it coordinates the entire restraint system. From the signals of the crash sensors it calculates in an accident which airbags and seatbelt pretensioners are triggered.

In normal operation it reads the sensors and the connections to the components continuously. A detected fault is stored in the fault memory and shown via the airbag warning light.

If an accident has occurred, the unit stores crash data and locks itself.

Why does the control unit 95910-2B770 fail?

The most common cause is crash data stored after an accident, even without a triggered airbag; a normal diagnostic tool cannot erase this data. Other causes include ageing components, cold solder joints, corrosion on plugs and voltage spikes from a weak battery.

The memory with the crash data is therefore a cause that can hardly be seen from outside. It remains in the unit until the data is removed during the repair.

The other factors tend to relate to age, moisture and electrical loads. Whether one of them applies in an individual case is only determined by the examination.

How can you tell that the 95910-2B770 is defective?

The airbag warning light in the instrument cluster stays on or flickers, a message in the instrument cluster points to the fault, the diagnostic tool cannot reach the control unit, and a fault memory cannot be cleared.

In the event of a defect, airbags and seatbelt pretensioners may possibly not trigger in an emergency. That is the main reason the warning light should be taken seriously.

The light is the signal, not a hidden problem: as soon as it appears, a check in the workshop is worthwhile.

Which vehicles is the 95910-2B770 fitted in?

The control unit 95910-2B770 was fitted in these vehicles: Hyundai Santa Fe CM (2006-2009) and CM Facelift (2009-2012).

Below you will find the vehicles that are assigned to this part number.

• Hyundai Santa Fe CM (2006-2009)
• Hyundai Santa Fe CM Facelift (2009-2012)

Comparing the part number on the label of the removed unit with this page gives certainty that you have the matching unit. Whether the unit itself causes the fault is only shown by the fault memory read out, because a plug or a cable can be the cause just as well.

For the same vehicles, we also repair control units with the part numbers 95700-2B110, 95910-2B900, 95910-2B970.

How does the repair of the 95910-2B770 work?

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

The order is important for your safety when removing the unit. Pack the unit carefully before sending it.

At Airbag24 the unit is checked, defective components are replaced, the crash data is erased and a function test is run. Your own unit then comes back 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 95910-2B770 get to Airbag24?

You send the unit 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 unit shock-proof.