Airbag control unit with part number 98221FJ210

What does the airbag control unit 98221FJ210 do?

The airbag control unit 98221FJ210 is the central control unit of the restraint system (SRS) of Subaru. It evaluates the sensor signals, decides in a crash within milliseconds on the triggering of airbags and seatbelt pretensioners, and monitors the system continuously. It shows faults via the airbag warning light.

The monitoring covers sensors, wiring and ignition circuits. It runs in the background while the vehicle is driven.

After a crash, the unit stores crash data and locks itself.

Why does the control unit 98221FJ210 fail?

Crash data stored after an accident is the most common cause with the 98221FJ210, even if no airbag has deployed. Aged electronic components, cold solder joints, moisture and corrosion on plug connections, and voltage spikes from a weak battery or a jump start are further possible causes.

The crash data cannot be erased with a normal diagnostic tool. Airbag24 erases it during the repair.

Components age, even in the electronics. Solder joints can turn cold, and moisture or corrosion at plug connections impairs the contact.

Voltage spikes, for example from a jump start, put additional strain on the electronics.

How can you tell that the 98221FJ210 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently, and an error message may also appear in the instrument cluster. The diagnostic tool gets no connection to the control unit, and the fault memory cannot be cleared. In an emergency, airbags and seatbelt pretensioners may then not be triggered.

The light is the first clear sign that something in the system is wrong. If it does not go out after the ignition is switched on, have the system checked.

A diagnostic tool that cannot establish contact with the control unit is another sign of a fault.

Which vehicles is the 98221FJ210 fitted in?

The control unit 98221FJ210 is fitted in these vehicles: Subaru XV GP (2011-2016) and GP Facelift (2016-2018); Subaru Impreza GJ (2011-2018) and GP (2011-2018).

The vehicles to which Airbag24 assigns this control unit are listed below.

• Subaru XV GP (2011-2016)
• Subaru XV GP Facelift (2016-2018)
• Subaru Impreza GJ (2011-2018)
• Subaru Impreza GP (2011-2018)

Compare the part number on the label of the removed unit with this page, so that you can be sure you have the right unit. Whether the control unit is defective or a plug or cable is the cause is shown only by the fault memory, if it was read out beforehand.

For the same vehicles, we also repair control units with the part numbers 150300-9400, 152300-6130, 1523003971, 98221FE020, 98221FE100, 98221FJ030.

How does the repair of the 98221FJ210 work?

Have the fault memory read out and the log enclosed before you disconnect the battery and remove the control unit. Afterwards, create a repair order online and send the 98221FJ210 in well packed. At Airbag24, checking, repairing and testing usually take 3–4 working days.

At Airbag24, the unit is examined on the test bench, defective components are replaced, the crash data is erased and a function test is run. 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 98221FJ210 get to Airbag24?

The 98221FJ210 comes to Airbag24 as a parcel, or you book a UPS pickup for an extra charge. The return after the repair is also made by UPS.

Pack the printed repair order into the parcel and pack the unit shock-proof.