Airbag control unit with part number 38910-57L41

What does the airbag control unit 38910-57L41 do?

In the vehicle from Suzuki, the airbag control unit 38910-57L41 is responsible for the restraint system (SRS). It receives the signals from the crash sensors, calculates within milliseconds whether airbags and seatbelt pretensioners are to be triggered in a collision, and keeps an eye on the system.

If the unit detects a fault, it switches on the airbag warning light in the instrument cluster. This is how the driver learns of problems with the system.

After an accident, the control unit stores crash data and locks itself. The lock can only be removed by the repair.

Why does the control unit 38910-57L41 fail?

With the control unit 38910-57L41, the most common cause is an accident after which crash data was stored, even if no airbag deployed. A normal diagnostic tool cannot delete this data. Ageing electronic components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes also play a role.

The fact that no airbag fired does not mean the electronics recorded nothing. These entries remain in the memory until the repair removes them.

The other causes are ageing and environmental influences. Over time, electronic components lose reliability.

Voltage spikes, for example from a weak battery or from a jump start, put additional strain on the circuit. Airbag24 deletes the crash data as part of the repair.

How can you tell that the 38910-57L41 is defective?

A defect in the 38910-57L41 shows up as fault messages in the instrument cluster, as an airbag warning light that stays on permanently or intermittently, as a diagnostic tool without a connection to the control unit, or as a fault memory that cannot be erased. In this case, the airbags and seatbelt pretensioners may not be able to deploy in an emergency.

A fault indicated by the warning light justifies having the fault memory read out promptly.

Which vehicles is the 38910-57L41 fitted in?

The control unit 38910-57L41 is fitted in the following vehicles: Suzuki Kizashi RE91S.

The list below sets out the assigned vehicles in detail:

• Suzuki Kizashi RE91S

Matching the part number on the label with this page only ensures that it is the correct unit. It says nothing about the condition of the control unit; for that, you need the fault memory read out.

For the same vehicles, we also repair control units with the part numbers 38910-57L00, 395057L105, 4815057L01.

How does the repair of the 38910-57L41 work?

Checking, repairing and testing the 38910-57L41 at Airbag24 usually takes 3–4 working days. This period relates exclusively to the work carried out at Airbag24.

Before removal, have the fault memory read out and enclose the log. Then disconnect the battery, remove the control unit, create the repair order online and pack the unit well.

Airbag24 inspects the unit on the test bench, repairs defective components, deletes the crash data and carries out a function test. You then receive it back.

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 38910-57L41 get to Airbag24?

You send the control unit 38910-57L41 to Airbag24 as a parcel, or alternatively book a UPS collection for an extra charge. After the repair, Airbag24 returns the unit by UPS.

Enclose the printed repair order with the parcel and pack the unit so that it is shock-proof.