Airbag control unit with part number 98221SG280

What does the airbag control unit 98221SG280 do?

The airbag control unit 98221SG280 works together with the restraint system (SRS) of Subaru. From the sensor signals it selects, in a crash within milliseconds, the appropriate airbags and seatbelt pretensioners, and it keeps watch over the system continuously. Faults appear via the airbag warning light.

In everyday use the control unit constantly checks wiring, sensors and output stages, so that everything is ready in an emergency.

After a crash, it saves crash data and locks itself.

Why does the control unit 98221SG280 fail?

The most common cause is crash data from an accident, even if no airbag has deployed; a normal diagnostic tool cannot erase it. With this control unit, erasing the crash data is often not possible; if you want to have it attempted, contact Airbag24 briefly before sending the unit in.

Stored crash data is therefore among the main causes, without any airbag having to have deployed.

Aged electronic components, cold solder joints, moisture and corrosion on connectors, as well as voltage spikes from a weak battery or a jump start, are also possible causes.

How can you tell that the 98221SG280 is defective?

The airbag warning light in the instrument cluster lights up permanently or from time to time, and an error message appears in the instrument cluster. Even if the diagnostic tool cannot connect to the control unit or the fault memory cannot be cleared, this is a sign of a defect.

As long as the warning light is on, airbags and seatbelt pretensioners may not deploy in an emergency. So take the warning seriously and have it checked.

The light shows the finding; which cause lies behind it is established only by the fault memory.

Which vehicles is the 98221SG280 fitted in?

The list shows whether your car matches this part number. The airbag control unit 98221SG280 is fitted in these vehicles: Subaru Forester SJ (2012-2016) and SJ Facelift (2016-2019).

The overview lists these vehicles:

• Subaru Forester SJ (2012-2016)
• Subaru Forester SJ Facelift (2016-2019)

On the one hand, compare the part number on the label of the removed unit with this page; this only ensures that you have the right unit. On the other hand, have the fault memory read out before removal, because only this result shows whether the control unit is defective or whether a connector or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 98221SG001, 98221SG010, 98221SG020, 98221SG030, 98221SG040, 98221SG050.

How does the repair of the 98221SG280 work?

Have the fault memory read out first and attach the log. Then disconnect the battery, only then remove the control unit, and create a repair order online. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 checks the unit on the test bench, repairs defective components and carries out a function test. If you want the crash data deleted, contact Airbag24 briefly before sending the unit in. 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 98221SG280 get to Airbag24?

Either you send the control unit in as a parcel, or you have it collected by UPS for an extra charge. After the repair, Airbag24 returns it by UPS.

Include the printed repair order in the parcel, and the unit must be packed shock-proof.