Airbag control unit with part number 98820-9GK1D

What does the airbag control unit 98820-9GK1D do?

The control unit 98820-9GK1D is the airbag control unit of the restraint system (SRS) for Nissan. It monitors the crash sensors, evaluates their signals and decides in an accident which airbags and seatbelt pretensioners are triggered. After an accident, it stores crash data and locks itself.

Monitoring runs continuously in the background. If a fault occurs, a message appears via the airbag warning light in the instrument cluster.

The lock after a crash ends only with the repair.

Why does the control unit 98820-9GK1D fail?

Crash data from an earlier accident is the most common cause with the 98820-9GK1D, even if no airbag was triggered. A normal diagnostic tool cannot erase it; Airbag24 removes it during the repair. Other causes are aged electronic components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes.

Crash data remains stored in the unit after the accident, and an attempt to erase it via diagnosis fails. This is a reason to have the fault memory read out nonetheless.

The other causes at a glance:

• aged electronic components
• cold solder joints
• moisture and corrosion at plug connectors
• voltage spikes, for example from a weak battery or jump-starting

How can you tell that the 98820-9GK1D is defective?

With the 98820-9GK1D, a defect first shows on the airbag warning light, which lights up permanently or intermittently. Added to this are an error message in the instrument cluster, a diagnostic tool without connection to the control unit, and a fault memory that cannot be cleared.

A prompt check should follow this warning.

While the defect persists, airbags and seatbelt pretensioners may not be able to deploy in an emergency. The journey may seem unremarkable, but the warning signal remains unambiguous.

Which vehicles is the 98820-9GK1D fitted in?

The 98820-9GK1D is fitted in these vehicles: Nissan Titan H61 Facelift (2020-2024). The information is based on the part number.

The following overview contains the stored assignments for this part number.

• Nissan Titan H61 Facelift (2020-2024)

Check the number on the label of the removed unit against this page; that way you know you have the right unit. Whether the control unit itself is defective, or whether a plug or a cable is the cause, only shows in the fault memory, which you have read out before removal.

For the same vehicles, we also repair control units with the part numbers 285013989, 98820-EZ20B, 98820-EZ29B.

How does the repair of the 98820-9GK1D work?

First have the fault memory read out at the 98820-9GK1D and enclose the log. Then disconnect the battery and only afterwards remove the control unit. Next, create a repair order online and send in the unit. At Airbag24, checking, repairing and testing usually takes 3–4 working days.

Airbag24 checks the unit on the test bench, repairs defective components, erases the crash data and carries out a functional test. After that, your own unit comes 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 98820-9GK1D get to Airbag24?

You send the control unit 98820-9GK1D to Airbag24 as a parcel, or book a UPS collection for an extra charge. Airbag24 sends it back by UPS after the repair.

Pack the unit shock-resistant and enclose the printed repair order.