Airbag control unit with part number 38910-71L10

What does the airbag control unit 38910-71L10 do?

At Suzuki, the airbag control unit 38910-71L10 belongs to the restraint system (SRS). It measures the signals from the crash sensors, decides in an emergency which airbags and seatbelt pretensioners are triggered, and monitors the system continuously. After an accident it stores crash data and locks itself.

Between events the unit keeps working in the background, checks wiring and sensors, and stores detected faults in its memory.

As soon as a fault is detected, the airbag warning light in the instrument cluster lights up.

Why does the control unit 38910-71L10 fail?

The most common cause: stored crash data, which can arise even without a deployed airbag. In addition, the 38910-71L10 can suffer from aged electronic components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes.

Crash data cannot be removed with a normal diagnostic tool. Airbag24 removes it as part of the repair.

The other causes lie in the electronics. Components age, solder joints become prone to faults over time, and moisture with corrosion attacks plug connectors. Voltage spikes, for example from a weak battery or a jump start, put additional strain on the unit.

How can you tell that the 38910-71L10 is defective?

In the instrument cluster, a defect shows itself through the airbag warning light, which stays on permanently or intermittently when the 38910-71L10 is affected. Fault messages may be added, and a fault memory that cannot be cleared confirms the suspicion. In an emergency, airbags and seatbelt pretensioners may possibly not deploy.

A check provides clarity here. Until it is carried out, it remains open how the restraint system reacts in an emergency.

Which vehicles is the 38910-71L10 fitted in?

The control unit 38910-71L10 is fitted in these vehicles: Suzuki Swift FZ/NZ (2010-2013) and FZ/NZ Facelift (2013-2017).

The vehicles at a glance:

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

Comparing the part number on the label with this page only ensures that the right unit is present. Have the fault memory read out beforehand; the result clarifies 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 38910-71L10 work?

First have the fault memory read out, then disconnect the battery and only then remove the control unit. Create the repair order online and pack the unit for sending. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 examines the unit on the test bench, repairs defective components, deletes crash data and runs a function test to complete the process. Afterwards your own 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 38910-71L10 get to Airbag24?

You send the 38910-71L10 as a parcel to Airbag24, or you book a UPS collection for an extra charge. Airbag24 returns the unit to you by UPS after the repair.

Pack the control unit shockproof and enclose the printed repair order.