Airbag control unit with part number 98820-9GK0A

What does the airbag control unit 98820-9GK0A do?

The airbag control unit 98820-9GK0A is the central control unit of the restraint system (SRS) for Nissan. It evaluates the signals from the crash sensors, determines in an accident within fractions of a second which airbags and seatbelt pretensioners are triggered, and monitors the system continuously. It reports faults via the airbag warning light.

The sensor measurements flow into the evaluation without interruption. The result is a decision on the restraint devices that must respond in an emergency.

After an accident the unit stores crash data and locks itself. A reported fault is worth checking promptly.

Why does the control unit 98820-9GK0A fail?

The most common cause for 98820-9GK0A is crash data stored after an accident, even if no airbag has deployed; a standard diagnostic tool cannot erase it. Further causes are ageing electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes.

The crash data remain stored in the unit after an accident, even if the airbags and seatbelt pretensioners were left untouched. A standard diagnostic tool cannot be made to remove them, so the fault memory stays occupied.

Electronics age, and components lose reliability over time. Cold solder joints, moisture and corrosion at plugs, and voltage spikes in the vehicle electrical system, for example from a weak battery or a jump-start, can likewise trigger faults. Only the check establishes which cause applies.

How can you tell that the 98820-9GK0A is defective?

The airbag warning light in the instrument cluster lights up on the 98820-9GK0A permanently or intermittently. In addition there are an error message in the instrument cluster, no connection to the diagnostic tool, and a fault memory that cannot be cleared.

If the warning light is on, airbags and seatbelt pretensioners may fail to deploy in an emergency. The warning concerns the protective effect of the entire system, even if the vehicle appears unremarkable in everyday use.

If the diagnostic tool stays silent and the fault memory cannot be reset, the finding must be examined more closely. The warning light indicates the defect and calls for a check.

Which vehicles is the 98820-9GK0A fitted in?

The control unit 98820-9GK0A is fitted in these vehicles: Nissan Titan H61 Facelift (2020-2024). Please check beforehand whether your model is among them.

The allocation covers these models:

• Nissan Titan H61 Facelift (2020-2024)

Compare the part number on the label of the removed unit with this page, because that only confirms that you have the right unit. Also have the fault memory read out beforehand, because only the log 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 285013989, 98820-EZ20B, 98820-EZ29B.

How does the repair of the 98820-9GK0A work?

Start by having the fault memory read out and enclose the log. Then disconnect the battery and only then remove the control unit. Then create a repair order online and send in the well-packed unit. Airbag24 usually needs 3–4 working days for this.

Airbag24 checks the unit on the test bench, repairs defective components, erases the crash data and carries out a function test. 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 98820-9GK0A get to Airbag24?

You send the control unit 98820-9GK0A in 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 and pack the unit shockproof.