Airbag control unit with part number 38910-86R30

What does the airbag control unit 38910-86R30 do?

The airbag control unit 38910-86R30 is the central control unit of the SRS restraint system in vehicles from Suzuki. In an accident it decides within milliseconds which airbags and seatbelt pretensioners are triggered.

To do this, it evaluates the signals from the crash sensors and monitors the system continuously. If it detects a fault, the airbag warning light comes on. After an accident, it stores crash data and locks itself.

Why does the control unit 38910-86R30 fail?

The most common cause with the 38910-86R30 is stored crash data, even if no airbag was triggered. Ageing electronic components, dry solder joints, moisture and corrosion at plug connections, and voltage spikes also play a role.

Crash data cannot be erased with a standard diagnostic tool. Airbag24 erases it during the repair. The other causes also affect the electronics and connections. Voltage spikes arise, for example, from a weak battery or when starting with a jump start.

How can you tell that the 38910-86R30 is defective?

The airbag warning light in the instrument cluster signals a defect in the 38910-86R30 by staying on permanently or intermittently. The instrument cluster also displays fault messages, the diagnostic tool finds no connection, and the fault memory remains.

As long as this signal is active, the airbags and seatbelt pretensioners may not deploy in an emergency. Therefore have the finding clarified promptly, because safety in an emergency depends on it.

Which vehicles is the 38910-86R30 fitted in?

The 38910-86R30 is fitted in these vehicles: Suzuki Vitara LY and S.

The individual models are listed here:

• Suzuki Vitara LY
• Suzuki Vitara S

Match the part number on the label of the removed unit against this page. Then you have the correct unit in front of you. Before you take the control unit out of the vehicle, also have the fault memory read out. Only this log shows whether the control unit itself is defective or whether a connector or a cable is the cause.

For the same vehicles, we also repair control units with the part numbers 16244579, 38910-54P00, 3891052D10, 3891065J50, 3891086R00, 3F900-76S00.

How does the repair of the 38910-86R30 work?

First have the fault memory read out and enclose the log. Then disconnect the battery, remove the 38910-86R30 and create a repair order online. Next, send the unit in well packed, and Airbag24 processes it.

The sequence is fixed for your safety. A control unit may only be removed once the memory has been read out and the battery disconnected.

At Airbag24, a test bench checks the unit, defective components are replaced, the crash data is erased and a functional test is carried out. Typically 3–4 working days are planned for this work. Your own unit is then returned 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 38910-86R30 get to Airbag24?

You send the 38910-86R30 as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 returns the unit by UPS.

Enclose the printed repair order in the parcel. Pack the control unit shockproof.