Airbag control unit with part number 38910-57S10

What does the airbag control unit 38910-57S10 do?

The airbag control unit 38910-57S10 is the control unit of the restraint system (SRS) for Suzuki. It evaluates the crash sensors, decides in a crash within milliseconds whether airbags and seatbelt pretensioners are triggered, and monitors the system throughout. After an accident it stores crash data and locks itself.

Faults that occur are registered in the memory and shown via the airbag warning light.

This monitoring is continuous, so not only at the moment of an accident but throughout the entire use of the vehicle.

Why does the control unit 38910-57S10 fail?

The most common cause is crash data after an accident, even if no airbag was triggered; an ordinary diagnostic tool cannot erase them. Otherwise, aged components, moisture and corrosion at plug connections, cold solder joints and voltage spikes come into consideration.

The other causes all concern the electronics or their connections, and they cannot be reliably told apart from outside.

A jump start or a weak battery are typical triggers of voltage spikes that can affect the control unit.

How can you tell that the 38910-57S10 is defective?

A defect in the 38910-57S10 is indicated by the airbag warning light, which lights up permanently or intermittently, and by an error message in the instrument cluster. In addition, the diagnostic tool cannot establish a connection to the control unit, and the fault memory cannot be cleared.

With any of these indications, there is a possibility that airbags and seatbelt pretensioners may not trigger in an emergency.

The message comes from the control unit itself and must therefore be taken seriously.

Which vehicles is the 38910-57S10 fitted in?

The airbag control unit 38910-57S10 is fitted in these vehicles: Suzuki Solio MA26S and MA36S.

The overview is a selection from our data for this part number.

• Suzuki Solio MA26S
• Suzuki Solio MA36S

Comparing the part number on the label with this page ensures that it is the right unit, nothing more. Whether the control unit is defective, or whether a connector or a cable is the cause, is only clarified by a fault memory read out beforehand.

For the same vehicles, we also repair control units with the part numbers 131300-8370, 38910-57S20, 38910-83M50, 38910-83M60.

How does the repair of the 38910-57S10 work?

You have the fault memory read out and attach the log, then disconnect the battery and only afterwards remove the control unit 38910-57S10. Then create a repair order online and send in the unit, packed shock-proof.

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

Checking, repairing and testing at Airbag24 are usually planned for 3–4 working days. 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 38910-57S10 get to Airbag24?

You send the control unit 38910-57S10 as a parcel, or book a UPS collection for an extra charge. After the repair, Airbag24 returns the unit to you by UPS.

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