Airbag control unit with part number 98820-ZV80A

What does the airbag control unit 98820-ZV80A do?

The airbag control unit 98820-ZV80A controls the restraint system (SRS) of Nissan. It processes the signals from the crash sensors, decides on airbags and seatbelt pretensioners in an accident, and monitors the system continuously.

The evaluation takes only milliseconds. During this process, the unit records which components are conspicuous in the event of a fault, so that the fault can be found.

It reports abnormalities via the airbag warning light. After an accident, it stores crash data and locks itself, and this lock only ends with the repair.

Why does the control unit 98820-ZV80A fail?

Most often the cause is crash data stored after an accident, even if no airbag has been triggered; a standard diagnostic tool cannot erase it. Aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes can also cause the failure.

The crash data remains in the memory until Airbag24 removes it during the repair. It is therefore a record of the accident and not just a fault memory entry.

Aged components and cold solder joints show up over time. Moisture and corrosion disrupt the contacts, and voltage spikes, for example from a weak battery, put strain on the electronics.

How can you tell that the 98820-ZV80A is defective?

If the 98820-ZV80A is defective, the vehicle signals this with an airbag warning light that stays on permanently or intermittently, with fault messages in the instrument cluster, with no diagnostic connection, or with a fault memory that cannot be cleared.

In that case, airbags and seatbelt pretensioners may not trigger in an emergency.

• Airbag warning light, on permanently or intermittently
• Fault message in the instrument cluster
• No connection between the diagnostic tool and the control unit
• Fault memory that cannot be cleared

These signs affect the protective function of the system, so a check should not be postponed.

Which vehicles is the 98820-ZV80A fitted in?

The airbag control unit 98820-ZV80A is fitted in these vehicles: Nissan Altima L32 (2006-2012). The list below quickly shows whether your vehicle is affected.

The list shows the vehicles in which this unit is fitted:

• Nissan Altima L32 (2006-2012)

Compare the part number on the label of the removed unit with this page. This only shows that you have the right unit. Have the fault memory read out beforehand, because only that shows whether the control unit is defective or whether a connector or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 98820-9HN0A, 98820-9HS9A, 98820-AV200, 98820-AV21A, 98820-JA100.

How does the repair of the 98820-ZV80A work?

First, read out the fault memory and enclose the log. Then disconnect the battery, and only after that remove the control unit 98820-ZV80A. Next, create a repair order online and send in the well-packed unit.

Airbag24 checks the unit on the test bench, replaces defective components and erases the crash data. A function test follows, after which your own unit is sent back.

Processing at Airbag24 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-ZV80A get to Airbag24?

You send the control unit 98820-ZV80A as a parcel, or you book a UPS collection for an extra charge. Airbag24 sends it back by UPS after the repair.

Put the printed repair order into the parcel and pack the unit so that it is shock-resistant.