Airbag control unit with part number 38910-61M30

What does the airbag control unit 38910-61M30 do?

The airbag control unit 38910-61M30 forms the control centre of the restraint system (SRS) in Suzuki. Based on the crash sensors, it determines which airbags and seatbelt pretensioners trigger in an accident within milliseconds.

It checks the system constantly, and faults are reported via the airbag warning light in the instrument cluster.

After an accident the unit stores crash data and is locked afterwards.

Why does the control unit 38910-61M30 fail?

The most common cause of a failure of the 38910-61M30 is crash data from an accident, even when no airbag has deployed. Other causes are ageing electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes, for example from a weak battery or a jump-start.

A normal diagnostic tool cannot erase this data, so it stays in memory. Airbag24 carries out the erasure as part of the repair.

Ageing components and cold solder joints mean that the unit no longer works reliably. Moisture and corrosion attack the contacts, and voltage spikes put strain on the electronics.

How can you tell that the 38910-61M30 is defective?

A defect in the 38910-61M30 shows itself through the airbag warning light in the instrument cluster, which lights up permanently or intermittently, and through fault messages in the same unit.

In addition there are cases in which the diagnostic tool cannot establish a connection to the control unit or the fault memory cannot be cleared. In these situations, airbags and seatbelt pretensioners may not deploy in an emergency.

The warning light is therefore the most important indication and deserves immediate attention.

Which vehicles is the 38910-61M30 fitted in?

The control unit 38910-61M30 is fitted in these vehicles: Suzuki SX4 S-Cross; Suzuki S-Cross JY. The list shows the vehicles for which this unit is intended.

The following vehicles are recorded:

• Suzuki SX4 S-Cross
• Suzuki S-Cross JY

First you can compare the part number on the label of the removed unit with this page. This only confirms that it is the correct unit. It is also worth having the fault memory read out beforehand, because only this finding 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 38910-54L00, 38910-61M01, 38910-61M50, 38910-64R00, 38910-80J40, 5WK43636C.

How does the repair of the 38910-61M30 work?

First have the fault memory read out and attach the log. Then disconnect the battery and only afterwards remove the 38910-61M30. In the next step, create a repair order online and send in the well-packed unit.

Airbag24 checks the unit on the test bench, repairs defective components, erases the stored crash data and carries out a function test. Processing at Airbag24 usually takes 3–4 working days.

The unit then goes 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 38910-61M30 get to Airbag24?

You send the control unit 38910-61M30 as a parcel to Airbag24, or book a UPS collection for an extra charge. After the repair, Airbag24 returns it by UPS.

A printed repair order belongs in the parcel. Pack the unit shockproof.