Airbag control unit with part number 98820-9CF0A

What does the airbag control unit 98820-9CF0A do?

The airbag control unit 98820-9CF0A controls the restraint system (SRS) of Nissan. It reads the crash sensors, determines in an accident within milliseconds the triggering of the airbags and seatbelt pretensioners, and monitors the system continuously. Faults are indicated via the airbag warning light.

After an accident, the unit stores crash data and then locks itself. The monitoring runs along unobtrusively.

Why does the control unit 98820-9CF0A fail?

Stored crash data after an accident is the most common cause, even if no airbag has deployed; a normal diagnostic tool cannot erase it. Other possible causes are ageing electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes.

This data remains in the memory until Airbag24 erases it during the repair. The fact that no airbag deployed does not change this.

Ageing components and cold solder joints alter the electronics, while moisture and corrosion impair plug connections. Voltage spikes, for example from a weak battery or jump starting, can also strain the electronics.

How can you tell that the 98820-9CF0A is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently. In addition, a fault message appears in the instrument cluster, the diagnostic tool finds no control unit, and the fault memory cannot be cleared.

In the event of a defect, airbags and seatbelt pretensioners may possibly not trigger in an emergency. Therefore, have the system checked as soon as the warning light indicates a fault.

Which vehicles is the 98820-9CF0A fitted in?

The control unit 98820-9CF0A is fitted in these vehicles: Nissan Xterra N50 (2005-2008) and N50 Facelift (2008-2015).

The vehicles are listed below:

• Nissan Xterra N50 (2005-2008)
• Nissan Xterra N50 Facelift (2008-2015)

Comparing the part number on the label of the removed unit with this page only tells you that it is the correct unit. Whether the control unit itself is the cause is shown by the fault memory, which you have read out beforehand.

For the same vehicles, we also repair control units with the part numbers 28556-EC00B, 98820-AV200, 98820-AV21A, 98820-ZP31A.

How does the repair of the 98820-9CF0A work?

First have the fault memory read out and enclose the log. Then disconnect the battery and only then remove the control unit. Afterwards, create a repair order online and pack the unit for dispatch.

Airbag24 examines the unit you send in, replaces defective components and erases the crash data. A function test follows, after which your own unit is returned to you. Processing usually takes 3–4 working days.

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 98820-9CF0A get to Airbag24?

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

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