Airbag control unit with part number 98820-6UA0B

What does the airbag control unit 98820-6UA0B do?

The airbag control unit 98820-6UA0B is the control centre of the restraint system (SRS) of Nissan. In a crash it reads the crash sensors and decides within fractions of a second which airbags and seatbelt pretensioners are triggered.

In addition, it monitors the entire system during operation. If it detects a fault, it displays this via the airbag warning light in the instrument cluster.

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

Why does the control unit 98820-6UA0B fail?

Stored crash data is the most common cause of failure of the 98820-6UA0B, even if no airbag has deployed. Further causes are aged electronic components, cold solder joints, moisture and corrosion on plug connections, and voltage spikes.

Crash data cannot be removed with a normal diagnostic tool. Airbag24 deletes it during the repair. The other causes are more general in nature: electronics age, solder joints can go cold, and moisture attacks plug connections. A voltage spike, for example from a weak battery or a jump start, can likewise disturb the unit.

How can you tell that the 98820-6UA0B is defective?

The airbag warning light in the instrument cluster indicates a defect in the 98820-6UA0B when it stays on permanently or intermittently. In addition, there are error messages, a lack of connection for the diagnostic tool, and a fault memory that cannot be cleared.

These signs mean that airbags and seatbelt pretensioners may not deploy in an emergency. This also applies when the vehicle drives unremarkably. A prompt check therefore clarifies whether the control unit is affected.

Which vehicles is the 98820-6UA0B fitted in?

These models are assigned to the unit. The control unit 98820-6UA0B is fitted by Nissan in these vehicles: Nissan Qashqai J12 (2021-2024) and J12 Facelift (from 2024).

Here is the list of vehicles:

• Nissan Qashqai J12 (2021-2024)
• Nissan Qashqai J12 Facelift (from 2024)

First compare the part number on the label of the removed unit with this page, because this is how you establish whether it is the right unit. Also have the fault memory read out before removal, because only this log clarifies whether the control unit is defective or whether plugs and cables are the cause.

For the same vehicles, we also repair control units with the part numbers 98820-6UD0B, 98820-6UM0B, 98820-6UT0A, 98820-6UT0B, 98820-9PV0A, 98820-9PV0C.

How does the repair of the 98820-6UA0B work?

First have the fault memory of the 98820-6UA0B read out and attach the log. Then disconnect the battery, remove the control unit, and create a repair order online, with which you send the unit in well packed. Checking, repairing and testing the 98820-6UA0B at Airbag24 usually takes 3–4 working days.

Airbag24 checks the unit on the test bench, repairs defective components, deletes stored crash data and carries out a function test. At the end, your own repaired unit is ready again.

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 98820-6UA0B get to Airbag24?

You send the control unit 98820-6UA0B as a parcel, or book a UPS collection for an extra charge. After the repair, Airbag24 returns it to you by UPS.

Include the printed repair order with the parcel, and pack the unit shockproof.