Airbag control unit with part number 38910-76K50

What does the airbag control unit 38910-76K50 do?

The airbag control unit 38910-76K50 forms the control of the SRS restraint system for Suzuki. It reads the crash sensors, selects the appropriate airbags and seatbelt pretensioners in an accident, and checks the system continuously. After an accident, it stores crash data and locks itself.

The unit detects faults itself and displays them via the airbag warning light in the instrument cluster.

Because airbags and seatbelt pretensioners are controlled through this unit, a defect affects the entire restraint system.

Why does the control unit 38910-76K50 fail?

The most common cause: crash data stored after an accident, even if no airbag has deployed, which a standard diagnostic tool does not remove. Aged electronics, cold solder joints, moisture and corrosion at plugs and voltage spikes are further possible causes. Airbag24 erases the crash data during the repair.

The unit records the incident even if no airbag has deployed. A standard diagnostic tool cannot erase the crash data.

Aged electronics, cold solder joints, and moisture and corrosion at plug connections are further possible causes that impair the function.

Voltage spikes, for example from a weak battery or after a jump start, can damage components.

How can you tell that the 38910-76K50 is defective?

A defect in the 38910-76K50 shows up as the airbag warning light in the instrument cluster, which lights up permanently or intermittently. A fault message also appears in the instrument cluster. The diagnostic tool gets no connection to the control unit, and the fault memory cannot be erased.

In an emergency, airbags and seatbelt pretensioners may fail to deploy, so this warning must be taken seriously.

Have a vehicle showing this warning checked promptly.

Which vehicles is the 38910-76K50 fitted in?

Model and year of manufacture decide whether the part is fitted in your vehicle. The 38910-76K50 is fitted in these vehicles: Suzuki Grand Vitara JT.

The assignment looks like this:

• Suzuki Grand Vitara JT

Comparing the part number on the label of the removed unit with this page only shows that it is the correct unit. Have the fault memory read out beforehand. Only this result shows whether the control unit is defective or whether a plug or a cable is the cause.

For the same vehicles, we also repair control units with the part numbers 38910-65J30, 3891065J50, 65J5712911, W2T71973.

How does the repair of the 38910-76K50 work?

Have the fault memory read out first and attach the log before you disconnect the battery. Only then do you remove the control unit 38910-76K50 and create a repair order online. Usually, processing at Airbag24 takes 3–4 working days.

Then send the unit in, carefully packed. At Airbag24, it is checked on the test bench, defective components are replaced, crash data are erased and a function test is carried out. Afterwards, you get your own unit back.

This period applies only to checking, repairing and testing.

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 38910-76K50 get to Airbag24?

You can send the control unit 38910-76K50 as a parcel or book a UPS collection for an extra charge. The return after the repair is made by UPS.

Enclose the printed repair order with the parcel; the unit must be packed shock-proof.