Airbag control unit with part number 38910-86R10

What does the airbag control unit 38910-86R10 do?

The airbag control unit 38910-86R10 is the central controller of the SRS system for Suzuki vehicles. It records the crash sensors, assesses an accident within milliseconds and triggers the appropriate airbags and seatbelt pretensioners.

In normal operation, monitoring continues without interruption. The control unit detects faults itself and shows them via the airbag warning light. After an accident, it writes crash data to its memory and is locked afterwards.

Why does the control unit 38910-86R10 fail?

With control unit 38910-86R10, the main cause is crash data stored after an accident, even if no airbag has deployed. A normal diagnostic tool cannot remove this data. In addition, ageing components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes come into question.

Electronic components also age over the years, and their performance declines. Cold solder joints can come loose under temperature changes, so that a connection may be briefly interrupted.

Moisture and corrosion at the plug connections can also cause faults. Voltage spikes, for example from a weak battery or from starting with a jump start, also put a strain on the unit.

How can you tell that the 38910-86R10 is defective?

With control unit 38910-86R10, a defect is recognised by the airbag warning light in the instrument cluster. It stays on permanently or intermittently, and as a rule an error message appears on the display as well.

A diagnostic tool then finds no connection to the control unit. At the same time, the fault memory cannot be cleared, even if you try several times.

As long as the fault persists, airbags and seatbelt pretensioners may not be able to trigger in an emergency. The warning light is therefore not a cosmetic issue, but a signal you should follow up.

Which vehicles is the 38910-86R10 fitted in?

The control unit 38910-86R10 is fitted in these vehicles: Suzuki Vitara LY and S.

The following vehicles are recorded for this part number:

• Suzuki Vitara LY
• Suzuki Vitara S

Before removal, compare the part number on the label of the unit with this page. This only ensures that you have the right unit. Also have the fault memory read out, because only this result shows whether the control unit is defective or whether a plug or cable is causing the fault.

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 38910-86R10 work?

Processing at Airbag24 usually takes 3–4 working days. To do this, first have the fault memory read out and enclose the log. Then disconnect the battery and only then remove the control unit. Next, send the unit with a repair order created online.

Airbag24 checks the unit on the test bench, replaces defective components, erases the stored crash data and carries out a function test. The control unit then goes back to you as your own, repaired unit. The period of 3–4 working days applies only to this work at Airbag24. 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 38910-86R10 get to Airbag24?

You send the control unit 38910-86R10 as a parcel or, for an extra charge, book a UPS collection. After the repair, Airbag24 sends the unit back to you by UPS.

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