Airbag control unit with part number 98221SG010

What does the airbag control unit 98221SG010 do?

The airbag control unit 98221SG010 evaluates the crash sensors in Subaru vehicles and controls the restraint system. In a crash, it decides within an instant whether airbags and seatbelt pretensioners are deployed.

While driving, monitoring runs continuously. If the unit detects a fault, the airbag warning light in the instrument cluster shows it.

After an accident, the unit records crash data and locks itself. The unit is only unlocked by the repair.

Why does the control unit 98221SG010 fail?

Stored crash data from an accident is the most common cause, even if no airbag has fired; a normal diagnostic tool cannot erase it. Ageing components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes are also involved.

Crash data is a record of the accident saved in the unit. Airbag24 erases it during the repair.

The other causes concern the electronics itself: components age, solder joints can stay cold, and moisture causes plug connections to corrode. Voltage spikes, for example from a weak battery or when starting with an external power source, can also cause damage.

How can you tell that the 98221SG010 is defective?

A fault in the 98221SG010 shows up through the airbag warning light in the instrument cluster, which stays on permanently or intermittently, through an error message in the instrument cluster, or because the diagnostic tool does not respond to the control unit. A fault memory that cannot be cleared also belongs to these signs.

In an emergency, airbags and seatbelt pretensioners may possibly not deploy as a result. The warning light is a clear signal that you should not ignore.

Having the fault memory read out shows which area is affected.

Which vehicles is the 98221SG010 fitted in?

The 98221SG010 is fitted in these vehicles: Subaru Forester SJ (2012-2016) and SJ Facelift (2016-2019).

The listing is based on the details we hold for this part number:

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

Compare the part number on the label of the removed unit with this page. This only shows that it is the right unit. The fault memory you have read out beforehand tells you what the cause is.

For the same vehicles, we also repair control units with the part numbers 98221-SJ370, 98221SG250, 98221SJ001.

How does the repair of the 98221SG010 work?

First read out the fault memory and enclose the log. Then disconnect the battery, and only after that remove the control unit. Next, create a repair order online and pack the unit well for posting.

At Airbag24, the unit is checked on the test bench, defective components are replaced, stored crash data is erased and a function test is carried out. The unit is then returned.

Airbag24 needs 3–4 working days for testing, repair and checking. 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 98221SG010 get to Airbag24?

You send the control unit 98221SG010 to us as a parcel, or you have it collected by UPS for an extra charge. Airbag24 sends it back by UPS after the repair.

Packed shock-resistant, the unit goes into the carton together with the printed repair order.