Airbag control unit with part number 98820-4DU0A

What does the airbag control unit 98820-4DU0A do?

The airbag control unit 98820-4DU0A monitors the restraint system of Nissan. It evaluates the crash sensors, decides in an accident on airbags and seatbelt pretensioners, and checks the system continuously.

Faults are reported via the airbag warning light. After an accident it stores crash data and locks itself.

In normal operation the monitoring runs in the background without you noticing it.

Why does the control unit 98820-4DU0A fail?

The most common cause with the 98820-4DU0A is crash data stored after an accident, even if no airbag has deployed; an ordinary diagnostic tool cannot remove it. Aged electronics, cold solder joints, moisture on plug connections and voltage spikes are also possible causes.

The entry therefore also arises when an airbag stays undeployed.

Electronic components age. Solder joints can go cold, and moisture attacks plug connections. Voltage spikes, for example from a weak battery or jump-starting, put additional strain on the unit.

How can you tell that the 98820-4DU0A is defective?

The airbag warning light in the instrument cluster stays on permanently or intermittently, and an error message is displayed. The diagnostic tool does not reach control unit 98820-4DU0A, and the fault memory cannot be cleared. As a result, airbags and seatbelt pretensioners may fail to deploy in an emergency.

The light exists precisely to indicate a defect in the restraint system.

If it stays on permanently, a check without delay is worthwhile.

Which vehicles is the 98820-4DU0A fitted in?

The listing is based on part number 98820-4DU0A. The unit is fitted in these vehicles: Nissan Rogue T32 (2013-2020).

These vehicles are listed:

• Nissan Rogue T32 (2013-2020)

Use the label on the removed unit to compare the part number with this page; that ensures you have the right unit. The fault memory additionally shows whether the control unit itself is defective or a connector or cable is the cause, which is why it must be read out beforehand.

For the same vehicles, we also repair control units with the part numbers 98820-1VK0A, 98820-1VL0A, 98820-4BS0A, 98820-6RR0C, 98820-6RR0D, 98820-6RR0E.

How does the repair of the 98820-4DU0A work?

First of all, the fault memory of the 98820-4DU0A has to be read out; attach the log. Then disconnect the battery and only afterwards remove the control unit. Finally, create a repair order online and send the unit off well packed.

At the test bench, Airbag24 carries out the check: defective components are replaced, the crash data is erased and a function test is performed.

For checking, repairing and testing at Airbag24 we usually allow 3–4 working days. Afterwards 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 98820-4DU0A get to Airbag24?

You send control unit 98820-4DU0A as a parcel to Airbag24, or you book a UPS collection for an extra charge. Airbag24 sends it back by UPS after the repair.

Include the printed repair order and pack the unit shock-proof.