Airbag control unit with part number 98820-9CF2A

What does the airbag control unit 98820-9CF2A do?

For Nissan, the airbag control unit 98820-9CF2A is the central unit of the restraint system (SRS). It checks the crash sensors, decides in an accident within milliseconds whether airbags and seatbelt pretensioners are triggered, and monitors the entire system. Faults appear on the airbag warning light.

After an accident, it stores crash data and locks itself. Only a repair lifts the lock.

Monitoring runs throughout the entire operation.

Why does the control unit 98820-9CF2A fail?

Stored crash data after an accident is the most common cause, even if no airbag was deployed. Ageing electronic components, cold solder joints, moisture and corrosion on plug connections, and voltage spikes also come into play.

Crash data cannot be erased with a standard diagnostic tool; Airbag24 removes it during the repair. The other causes cannot be inferred from the warning lamp alone.

Only the testing on the test bench shows which cause applies to each individual unit.

How can you tell that the 98820-9CF2A is defective?

A defect first shows up as the airbag warning light in the instrument cluster, which stays on permanently or intermittently. Fault messages in the instrument cluster, a failed connection attempt by the diagnostic tool or a fault memory that cannot be cleared can also occur. In these cases airbags and seatbelt pretensioners may not deploy in an emergency.

The warning light is the first sign you notice in the vehicle. A check is then appropriate.

A fault in the instrument cluster deserves the same attention as the light itself.

Which vehicles is the 98820-9CF2A fitted in?

The airbag control unit 98820-9CF2A is fitted in these vehicles: Nissan Xterra N50 (2005-2008) and N50 Facelift (2008-2015).

The following vehicles are recorded for this part number:

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

Comparing the part number on the label with this page only ensures that the correct unit is removed. Whether the control unit is defective or a plug or cable is the cause is shown by the fault memory, which you have read out before removal.

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 98820-9CF2A work?

Processing at Airbag24 usually takes 3–4 working days. During this time the unit is tested, defective components are repaired, the crash data is deleted and a functional test is carried out.

Before that, the following steps are needed on the vehicle: have the fault memory read out, enclose the log, disconnect the battery, and only then remove the control unit. The repair order is created online, then you send the well-packed unit in.

After the functional test, 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 98820-9CF2A get to Airbag24?

The unit goes to Airbag24 as a parcel, or you book a UPS collection for an extra charge. The return after the repair follows by UPS.

Place the printed repair order in the parcel and pack the control unit shock-proof.