Airbag control unit with part number 98820-3ND0A

What does the airbag control unit 98820-3ND0A do?

The 98820-3ND0A is the control unit for the restraint system (SRS) of Nissan. It processes the measured values from the crash sensors, determines in an accident within milliseconds which airbags and seatbelt pretensioners trigger, and reports faults to the airbag warning light.

The control unit monitors the entire system continuously and remembers deviations.

After an accident it stores crash data and then locks itself.

Why does the control unit 98820-3ND0A fail?

The most common cause is crash data that remain in memory after an accident, even though no airbag has fired. A diagnostic tool cannot erase them; Airbag24 removes them during the repair of the 98820-3ND0A.

Other causes include:

• Aged components on the electronics circuit board
• Cold solder joints
• Moisture and corrosion at the plug connectors
• Voltage spikes, for example from a weak battery or jump start

Which cause is present can only be clarified by the examination.

How can you tell that the 98820-3ND0A is defective?

The airbag warning light in the instrument cluster indicates a fault when it stays on permanently or intermittently. Alongside this, an error message in the instrument cluster, a missing connection to the diagnostic tool or a fault memory that cannot be erased may occur. In an emergency, airbags and seatbelt pretensioners may then be unable to trigger.

The warning light is the signal you should watch first, because it shows the state of the entire restraint system.

Follow up on these signs promptly instead of hoping the problem resolves itself.

Which vehicles is the 98820-3ND0A fitted in?

This 98820-3ND0A is found in the following vehicles: Nissan Leaf ZE0 (2010-2017).

These vehicles are known to us for this part number:

• Nissan Leaf ZE0 (2010-2017)

A look at the fault memory before removal shows whether the control unit itself is the cause. If you then compare the part number on the unit with this page, you are on the safe side.

For the same vehicles, we also repair control units with the part numbers 98820-3NF0A, 98820-5SA0E, K8820-3NA0A.

How does the repair of the 98820-3ND0A work?

First have the fault memory read out and disconnect the battery, then remove the 98820-3ND0A and create a repair order online. At Airbag24, processing of the 98820-3ND0A usually takes 3–4 working days.

Before removal, set the log aside, then disconnect the battery and remove the unit.

At Airbag24 the unit is examined on the test bench, defective components are replaced, the crash data are erased and a function test is carried out. The stated time covers only these steps.

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 98820-3ND0A get to Airbag24?

You send the 98820-3ND0A as a parcel to us, or you book a UPS collection for an extra charge. The return of your own unit after the repair is made by UPS.

Shockproof packaging and the printed repair order in the parcel are all that is needed.