Airbag control unit with part number 98820-9FR0A

What does the airbag control unit 98820-9FR0A do?

The airbag control unit 98820-9FR0A is the central control unit of the restraint system (SRS) of Nissan. It checks the signals from the sensors, decides in an accident in a fraction of a second which airbags and seatbelt pretensioners trigger, and reports faults to the airbag warning light.

The sensors continuously supply values from which the unit derives the severity of an impact. This evaluation takes place without any action by the driver, and the control unit also monitors its own circuits and connections.

After an accident, the unit stores crash data and is then locked.

Why does the control unit 98820-9FR0A fail?

The most common cause is crash data stored after an accident, even if no airbag has triggered. A standard diagnostic tool does not affect it, and the data remains in memory. Other causes include ageing components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes.

Crash data also arises in accidents where the airbags stayed quiet. The unit stores it anyway, and it cannot be removed by ordinary means.

The other causes lie in the electronics themselves. Components age, solder joints can go cold, and moisture or corrosion disturb the contact at plug connections. Voltage spikes, for example from a weak battery or jump-starting, also stress the circuits.

Which cause applies to your unit is only shown by the inspection.

How can you tell that the 98820-9FR0A is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently, an error message appears in the instrument cluster, the diagnostic tool cannot connect to the control unit, and the fault memory cannot be cleared.

These signs appear singly or together. The warning light is the clearest sign, because the system shows the fault through it.

As long as the system is faulty, airbags and seatbelt pretensioners may possibly fail to trigger in an emergency. If you see any of these signs, have the system checked promptly.

Which vehicles is the 98820-9FR0A fitted in?

The 98820-9FR0A is fitted in these vehicles: Nissan Titan A60 (2004-2015).

The vehicles in detail:

• Nissan Titan A60 (2004-2015)

Two checks help you. Compare the part number on the label of the removed unit with this page; this only ensures that you have the right unit in front of you. Also have the fault memory read out before removal, because only this log shows whether the control unit is defective or whether a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 0 285 014 624, 1520831000, 152083100B, 1520831U00, 1520831U01, 1520831U0A.

How does the repair of the 98820-9FR0A work?

First read out the fault memory and enclose the log with the unit. Then disconnect the battery and only then remove the control unit. Create the repair order online and send in the well-packed unit. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 tests the unit on the test bench, replaces defective components, deletes the stored crash data and carries out a function test. Your own unit then 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 98820-9FR0A get to Airbag24?

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

Enclose the printed repair order with the parcel and pack the unit shock-proof.