Airbag control unit with part number 98221FG030

What does the airbag control unit 98221FG030 do?

The airbag control unit 98221FG030 is the central control unit of the restraint system (SRS) for Subaru. It evaluates the signals of the crash sensors, decides in an accident within milliseconds on the triggering of airbags and seatbelt pretensioners, and monitors the system continuously.

Faults in the system are reported by the airbag warning light in the instrument cluster. After an accident, the unit stores crash data and locks itself.

Why does the control unit 98221FG030 fail?

The most common cause of the 98221FG030 is crash data stored after an accident, even if no airbag has deployed; a normal diagnostic tool cannot erase it. Aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes, for example from a weak battery or jump-starting, are also possible.

Airbag24 erases the crash data during the repair. The other causes are general in nature: electronics age, solder joints can go cold, and moisture attacks plug connections.

How can you tell that the 98221FG030 is defective?

If the airbag warning light in the instrument cluster of the 98221FG030 lights up constantly or at times, this points to a defect. A fault message in the instrument cluster, a diagnostic tool without connection to the control unit, or a fault memory that cannot be cleared also count as signs.

In such a case, airbags and seatbelt pretensioners may not deploy in an emergency. The warning light is therefore a reason to have the system checked promptly.

Which vehicles is the 98221FG030 fitted in?

Whether your car is affected can be checked against the list. The 98221FG030 is fitted in these vehicles: Subaru Impreza GH (2007-2014).

Here are the vehicles for this part number:

• Subaru Impreza GH (2007-2014)

First compare the part number on the label of the removed unit with this page; this only ensures that it is the right unit. Also have the fault memory read out before removal, because only this shows 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 98221FG000, 98221FG040, 98221FG060, 98221FG070.

How does the repair of the 98221FG030 work?

First have the fault memory of the 98221FG030 read out and enclose the log, then disconnect the battery and remove the control unit. Then create the repair order online and send the unit off well packed. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 checks the unit on the test bench, repairs defective components, erases stored crash data and carries out a function test. The unit is then returned 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 98221FG030 get to Airbag24?

You send the control unit 98221FG030 as a parcel or book a UPS collection for an extra charge. After the repair Airbag24 sends it back to you by UPS.

Put the printed repair order into the parcel and pack the unit shockproof.