Airbag control unit with part number 38910-57MB0

What does the airbag control unit 38910-57MB0 do?

The airbag control unit 38910-57MB0 controls the restraint system (SRS) of Suzuki. It processes the signals of the crash sensors, decides in an accident which airbags and seatbelt pretensioners are triggered, and monitors the system continuously.

The device shows faults via the airbag warning light in the instrument cluster. The decision in an emergency is made within fractions of a second.

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

Why does the control unit 38910-57MB0 fail?

The most common cause is crash data from an accident, even if no airbag has been triggered; it cannot be erased with a normal diagnostic tool. Other causes include ageing electronic components, dry solder joints, moisture and corrosion at plug connections, and voltage spikes.

Crash data remains in storage until Airbag24 erases it during the repair. The other causes relate to the electronics and the plug connections.

How can you tell that the 38910-57MB0 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently, a fault message appears in the instrument cluster, the diagnostic tool finds no connection to the control unit, or the fault memory cannot be cleared.

The warning light makes the defect visible. In an emergency, airbags and seatbelt pretensioners may not be able to deploy.

Which vehicles is the 38910-57MB0 fitted in?

The control unit 38910-57MB0 is fitted in these vehicles: Suzuki Jimny JB43 (2010-2012).

The list shows the vehicles known for this part number.

• Suzuki Jimny JB43 (2010-2012)

Compare the part number on the label of the removed unit with this page. This only ensures that you have the correct unit. Have the fault memory read out before removal, because only this log shows whether the control unit is defective or whether a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 094500-3000, 38900-81A00, 38900-81A10, 38900-81A20, 38910-76JD 0.

How does the repair of the 38910-57MB0 work?

First have the fault memory read out and attach the log. Then disconnect the battery and only then remove the control unit. Then create a repair order online and pack the unit well before sending it in. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 checks the unit on the test bench, replaces defective components, erases crash data and carries out a function test. Afterwards the unit 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 38910-57MB0 get to Airbag24?

You send the control unit as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 sends it back by UPS.

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