Airbag control unit with part number 98221AN190

What does the airbag control unit 98221AN190 do?

The airbag control unit 98221AN190 is the control unit of the SRS restraint system for Subaru. It evaluates the signals from the crash sensors, decides in a crash within milliseconds whether airbags and seatbelt pretensioners are triggered, and monitors the system continuously. It shows faults via the airbag warning light.

During driving, the control unit works unobtrusively in the background and keeps the system ready for use at all times.

After an accident the unit stores crash data and locks itself. The condition can only be reliably assessed with a diagnostic tool.

Why does the control unit 98221AN190 fail?

Stored crash data is the most common cause, even if no airbag has deployed; a standard diagnostic tool cannot clear it. Aged components, cold solder joints, moisture and corrosion on connectors, and voltage spikes are also possible causes.

That crash data is stored in the unit does not show that an airbag has deployed. The data simply remains in the memory.

Electronic components age over time, and solder joints can go cold. Moisture and corrosion on the plugs weaken the contact, and a weak battery or jump-starting can cause voltage spikes.

How can you tell that the 98221AN190 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently, a fault message is displayed, the diagnostic tool gets no connection to the control unit, or the fault memory cannot be cleared. In an emergency, the airbags and seatbelt pretensioners may then fail to deploy.

The warning light is the most visible sign and gives the notice of a defect directly. You should have it checked immediately.

Which vehicles is the 98221AN190 fitted in?

The 98221AN190 is fitted in these vehicles: Subaru Outback BS (2015-2018) and BS Facelift (2018-2021). Check whether your vehicle is on this list.

These vehicles are assigned to the part number:

• Subaru Outback BS (2015-2018)
• Subaru Outback BS Facelift (2018-2021)

Comparing the part number on the label of the removed unit with this page only confirms that the unit fits. Have the fault memory read out beforehand, as only then does it become clear whether the control unit is defective or a connector or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 98221AG28A, 98221AJ16B, 98221AN00A, 98221AN00E, 98221AN01A, 98221AN01D.

How does the repair of the 98221AN190 work?

You have the fault memory read out and enclose the log. Then you disconnect the battery and only afterwards remove the control unit. Online, you create the repair order and send in the well-packed unit. Processing at Airbag24 usually takes 3–4 working days.

At Airbag24 the unit is inspected on the test bench, defective components are replaced and stored crash data is cleared. Finally, a function test follows, then 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 98221AN190 get to Airbag24?

You send the control unit 98221AN190 as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 returns it to you by UPS.

Place the printed repair order in the parcel and pack the unit shock-resistant.