Airbag control unit with part number 98820-9GK1C

What does the airbag control unit 98820-9GK1C do?

The airbag control unit 98820-9GK1C forms the central control unit of the SRS restraint system in Nissan models. It checks the signals from the crash sensors and, in a crash, specifically triggers airbags and seatbelt pretensioners. At the same time, it monitors the system and reports faults via the airbag warning light.

The monitoring runs throughout the entire journey. If the unit finds a deviation, it stores it in the fault memory.

After a crash, it stores crash data and locks itself. The section on causes explains more about the consequences for the repair.

Why does the control unit 98820-9GK1C fail?

The most common cause is crash data from an accident, even if no airbag has deployed; a normal diagnostic tool does not make it disappear. In addition, aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes come into question as causes.

Airbag24 removes the crash data during the repair.

Aged electronics and cold solder joints can hardly be checked from the outside.

Moisture and corrosion attack the plug connections. Voltage spikes, for example with a weak battery or after a jump start, stress the electronics.

How can you tell that the 98820-9GK1C is defective?

The airbag warning light in the instrument cluster stays on permanently or intermittently, a fault message appears, or the diagnostic tool does not find the control unit. A fault memory that cannot be cleared is also an indication. Airbags and seatbelt pretensioners may then fail to trigger in an emergency.

Typical signs are:

• Airbag warning light permanently on
• Airbag warning light coming on intermittently
• Fault message in the instrument cluster
• No connection to the diagnostic tool
• Fault memory that cannot be cleared

The warning light makes the finding visible, so it is worth taking a look at it.

Which vehicles is the 98820-9GK1C fitted in?

The part number determines which models this unit belongs to. The 98820-9GK1C is fitted in these vehicles: Nissan Titan H61 Facelift (2020-2024).

The list shows the vehicles assigned to this part number:

• Nissan Titan H61 Facelift (2020-2024)

Compare the part number on the label of the removed unit with this page. This only clarifies the identity of the unit. Also have the fault memory read out, because only this 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 98820-9GK1C work?

First have the fault memory read out, enclose the log and disconnect the battery before the control unit is removed. Then create the repair order online and send the unit in, well packed. Processing at Airbag24 usually takes 3–4 working days.

At Airbag24, the control unit is checked, defective components are replaced, the crash data is removed and a function test is carried out. Your own unit is then returned 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 98820-9GK1C get to Airbag24?

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

The printed repair order goes into the parcel, and the unit is packed shockproof.