Airbag control unit with part number 38910-52RC1

What does the airbag control unit 38910-52RC1 do?

In the restraint system (SRS) of Suzuki, the airbag control unit 38910-52RC1 acts as the central control unit. It evaluates the crash sensors and decides in an accident, within fractions of a second, which airbags and seatbelt pretensioners are triggered.

The system monitors the unit continuously. If it detects a fault, it stores it and issues a warning via the airbag warning light in the instrument cluster.

After an accident the unit stores crash data and locks itself. The repair lifts this lock.

Why does the control unit 38910-52RC1 fail?

The most common cause is crash data stored after an accident, even without a triggered airbag. Other causes are aged electronic components, cold solder joints, moisture and corrosion at plugs, and voltage spikes from a weak battery or a jump start.

A standard diagnostic tool cannot access this data. Airbag24 removes it as part of the repair.

Aged components lose reliability over the years. Cold solder joints provide intermittent poor contact.

Moisture and corrosion attack the plug connectors. Voltage spikes, such as those from a jump start, put strain on the electronics.

How can you tell that the 38910-52RC1 is defective?

The airbag warning light lights up permanently or intermittently, a fault message appears in the instrument cluster, or the diagnostic tool gets no connection to the control unit. In addition, the fault memory cannot be cleared.

In the vehicle, the warning light is the visible finding. While it is lit, airbags and seatbelt pretensioners may not trigger in an emergency.

A check is therefore sensible without delay, even if the car can still be driven normally.

Which vehicles is the 38910-52RC1 fitted in?

The 38910-52RC1 is used in these vehicles: Suzuki Swift RZ/AZ (2017-2020) and RZ/AZ Facelift (2020-2024).

The list shows the assignment to this part number:

• Suzuki Swift RZ/AZ (2017-2020)
• Suzuki Swift RZ/AZ Facelift (2020-2024)

Comparing the part number on the label of the removed unit with this page only confirms that it is the right unit.

Have the fault memory read out beforehand. Only this result shows whether the control unit itself causes the fault or whether a plug or a cable does.

For the same vehicles, we also repair control units with the part numbers 38910-62J12-000, 38SC001R9RH.

How does the repair of the 38910-52RC1 work?

You have the fault memory read out and enclose the log with the unit, disconnect the battery and only then remove the control unit. Testing, repairing and function testing at Airbag24 usually take 3–4 working days.

After that you create a repair order online and send in the well-packed unit.

The team checks the unit on the test bench, replaces defective components, erases the crash data and carries out a function test. Then your 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 38910-52RC1 get to Airbag24?

Sending the unit to Airbag24 is done as a parcel, or you book a UPS collection for an extra charge. The return journey is by UPS.

Pack the control unit shock-proof and put the printed repair order in the parcel.