Airbag control unit with part number 38910-71L52

What does the airbag control unit 38910-71L52 do?

This airbag control unit 38910-71L52 controls the restraint system (SRS) in Suzuki. It processes the signals from the crash sensors and decides in an accident within milliseconds which airbags and seatbelt pretensioners trigger. Faults are reported via the airbag warning light.

While driving, it checks the system continuously and documents deviations in the fault memory.

After an accident, it stores crash data and locks itself.

Why does the control unit 38910-71L52 fail?

Stored crash data after an accident is the most common cause, even if no airbag has been triggered; a normal diagnostic tool cannot erase it. Other causes are aged components, cold solder joints, moisture at plug connections and voltage spikes.

The crash data are held in the control unit itself. The other causes, by contrast, concern the electronics and their connections.

Only the examination of the unit shows which cause is present.

How can you tell that the 38910-71L52 is defective?

The airbag warning light lights up permanently or intermittently, and a fault message appears in the instrument cluster. The diagnostic tool fails to connect to the control unit, and the fault memory cannot be cleared.

In that case, airbags and seatbelt pretensioners may not trigger in an emergency.

The warning light gives a clear signal that the system needs to be checked.

Which vehicles is the 38910-71L52 fitted in?

The assignment applies to this part number. The airbag control unit 38910-71L52 is fitted in these vehicles: Suzuki Swift FZ/NZ (2010-2013) and FZ/NZ Facelift (2013-2017).

The list below names the vehicles individually.

• Suzuki Swift FZ/NZ (2010-2013)
• Suzuki Swift FZ/NZ Facelift (2013-2017)

Compare the part number on the label of the removed unit with this page. This only shows that it is the correct unit.

Have the fault memory read out before removal. Only the 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 38910-62J12-000, 38SC001R9RH.

How does the repair of the 38910-71L52 work?

First have the fault memory read out and attach the log, then disconnect the battery. Only then remove the control unit, and create a repair order online. Finally, send the well-packed unit in.

Airbag24 inspects the unit, replaces defective components, erases the crash data and carries out a function test.

Processing at Airbag24 normally takes 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 38910-71L52 get to Airbag24?

The unit goes to Airbag24 as a parcel, or you book a UPS collection for an extra charge. After the repair, Airbag24 delivers the unit back by UPS.

Include the printed repair order and pack the control unit shock-resistant.