Airbag control unit with part number 98820-6KL0B

What does the airbag control unit 98820-6KL0B do?

The airbag control unit 98820-6KL0B is the central control unit for the SRS restraint system of Nissan. It evaluates the sensor signals, decides in a crash within milliseconds on the triggering of airbags and seatbelt pretensioners, and monitors the system permanently.

The unit reports faults via the airbag warning light in the instrument cluster. This makes a problem in the restraint system visible to the driver.

After an accident it stores crash data and locks itself.

Why does the control unit 98820-6KL0B fail?

The most common cause is crash data stored after an accident, even if no airbag has deployed; a normal diagnostic tool cannot erase it. Other causes are ageing electronic components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes, for example from a jump start.

The first point is the unit's memory: crash data remains in it, even if the airbag did not deploy. A normal diagnostic tool cannot erase it. During the repair by Airbag24 it is erased.

The other causes develop insidiously. Electronics age, solder joints can go cold, and moisture attacks the contacts at plug connectors. Voltage spikes, for example when starting with a weak battery, additionally strain the electronics.

How can you tell that the 98820-6KL0B is defective?

A defect shows itself through an airbag warning light that stays on permanently or intermittently, an error message in the instrument cluster, a diagnostic tool without a connection to the control unit, and a fault memory that cannot be cleared. In an emergency, airbags and seatbelt pretensioners may then not be able to deploy.

The airbag warning light in the instrument cluster is the most important sign. It indicates that the control unit has registered a fault and that the restraint system may no longer be fully functional.

Taking this warning seriously is the right approach. The fault message in the display and a diagnostic tool without a connection are further signs that matter during the check.

Which vehicles is the 98820-6KL0B fitted in?

The airbag control unit 98820-6KL0B is fitted in these vehicles: Nissan Frontier D23 (2015-2020); Nissan Navara D23 (2015-2020).

You will find the vehicles matching this part number in this overview:

• Nissan Frontier D23 (2015-2020)
• Nissan Navara D23 (2015-2020)

Comparing the part number on the label of the removed unit with this page ensures that it is the right unit. Whether the unit is defective only becomes clear from the readout. Therefore have the fault memory read out beforehand, because this shows whether the control unit or a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 0 285 015 304, 28556-8Z325, 285569Z510, 28556EA10A, 98820 6KB0A, 98820 EB01D.

How does the repair of the 98820-6KL0B work?

First read out the fault memory and attach the log, then disconnect the battery and remove the control unit. Next, create a repair order online and send in the well-packed unit. Processing at Airbag24 usually takes 3–4 working days.

At Airbag24 the unit is examined on the test bench. Defective components are repaired, the crash data erased and a function test carried out.

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 98820-6KL0B get to Airbag24?

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

Enclose the printed repair order in the parcel. Pack the control unit shockproof.