Airbag control unit with part number 98820-6CC1B

What does the airbag control unit 98820-6CC1B do?

The airbag control unit 98820-6CC1B forms the central control unit of the SRS for Nissan. It evaluates the crash sensors and determines in an accident, within milliseconds, which airbags and seatbelt pretensioners are triggered.

Monitoring runs continuously in the background, and the unit reports detected faults via the airbag warning light.

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

Why does the control unit 98820-6CC1B fail?

The most common cause is crash data after an accident, even if no airbag has triggered. A normal diagnostic tool does not erase it; Airbag24 removes it during the repair. Also possible are aged components, cold solder joints, moisture and corrosion on connectors, and voltage spikes such as from a weak battery or jump-starting.

Whether the crash data alone is responsible for the failure, or whether another cause is also involved, only becomes clear during the test.

How can you tell that the 98820-6CC1B is defective?

The airbag warning light in the instrument cluster stays on permanently or intermittently. An error message accompanies it, the diagnostic tool cannot reach the control unit, and the fault memory remains.

In this state, the airbags and seatbelt pretensioners may not trigger in an emergency. The warning light points to the fault, so do not ignore the display.

Which vehicles is the 98820-6CC1B fitted in?

The 98820-6CC1B is fitted in these vehicles: Nissan Altima L34 (2018-2022). The part number is decisive.

The assigned vehicles are listed here:

• Nissan Altima L34 (2018-2022)

Use the label of the removed unit to compare the part number with this page. That tells you whether it is the right unit. Have the fault memory read out beforehand, so it is clear whether the control unit is defective or a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 98820-3TA9C, 98820-9HS9A, 98820-9HS9B.

How does the repair of the 98820-6CC1B work?

First have the fault memory read out and attach the log. Then disconnect the battery and only after that remove the control unit. Next, create a repair order online and pack the unit well for sending.

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

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 98820-6CC1B get to Airbag24?

A parcel is enough for sending, but you can also book a UPS collection for an extra charge. After the repair, Airbag24 sends the unit back by UPS.

The printed repair order goes into the parcel, and the unit must be packed shock-proof.