Airbag control unit with part number 98820 3LS2D

What does the airbag control unit 98820 3LS2D do?

The airbag control unit 98820 3LS2D is the control unit of the restraint system (SRS) of Nissan. It evaluates the signals from the crash sensors, decides in an impact whether airbags and seatbelt pretensioners are triggered, and monitors the system continuously. If it detects a fault, the airbag warning light comes on.

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

While driving, monitoring stays active.

Why does the control unit 98820 3LS2D fail?

The most common cause is crash data stored after an accident, even if no airbag has deployed. Aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes are also possible causes.

Crash data cannot be removed with a standard diagnostic tool. Airbag24 erases it as part of the repair.

Electronic components age over time, and solder joints can go cold. Moisture and corrosion at the plugs disturb the connection between the components.

Voltage spikes occur, for example, with a weak battery or when starting with jump leads, and place additional strain on the electronics.

How can you tell that the 98820 3LS2D is defective?

A defect shows itself through an airbag warning light that stays on or comes on intermittently, an error message in the instrument cluster, a missing connection to the diagnostic tool, and a fault memory that cannot be cleared. In an emergency, the airbags and seatbelt pretensioners may then fail to deploy.

• airbag warning light stays on or comes on intermittently
• error message in the instrument cluster
• diagnostic tool cannot find the control unit
• fault memory cannot be cleared

The warning light shows the finding directly, so you should act promptly.

Which vehicles is the 98820 3LS2D fitted in?

The control unit 98820 3LS2D is fitted in this vehicle: Nissan NV200 M20 (2009-2021).

The vehicle for this part number appears in the following line:

• Nissan NV200 M20 (2009-2021)

Compare the part number on the label of the removed unit with this page. This ensures that it is the right unit. Also have the fault memory read out. Only this result shows whether the control unit is defective or whether a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 285563LS0E, 98820-1PD0B.

How does the repair of the 98820 3LS2D work?

First have the fault memory read out and attach the log. Then disconnect the battery, remove the control unit afterwards, create a repair order online and pack the unit well. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 tests the unit on the test bench, replaces defective components, erases the stored crash data and carries out a function test.

Afterwards you receive your own unit back. 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 3LS2D get to Airbag24?

You send the unit as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 returns it to you by UPS.

The printed repair order goes into the parcel. Pack the control unit so that it is shockproof.