Airbag control unit with part number 98820-9FW5C

What does the airbag control unit 98820-9FW5C do?

The airbag control unit 98820-9FW5C is the central control unit of the restraint system (SRS) in Nissan. It reads the sensors, determines in an accident within milliseconds which airbags and seatbelt pretensioners are triggered, and monitors the entire system. It reports faults via the airbag warning light.

Monitoring covers the power supply, signal paths and the activation of the release units.

An accident causes the unit to store crash data and lock itself.

Why does the control unit 98820-9FW5C fail?

Crash data from an accident is the most common cause, even if no airbag has triggered, and a normal diagnostic tool cannot erase it. Ageing electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes are also possible causes.

The stored data sits directly in the unit. That is why the fault cannot be found by looking at the vehicle.

The other factors relate to age, moisture and the power supply. A weak battery or a jump start can produce voltage spikes that strain the electronics.

How can you tell that the 98820-9FW5C is defective?

An airbag warning light that stays on permanently or intermittently, and an error message in the instrument cluster, are clear indications. If the diagnostic tool also makes no contact with the control unit and the fault memory cannot be cleared, a defect is likely. Airbags and seatbelt pretensioners may then fail to trigger in an emergency.

The warning light in particular accompanies you in daily driving and is the first signal you should watch for.

A warning like this cannot be made to go away by driving on.

Which vehicles is the 98820-9FW5C fitted in?

The airbag control unit 98820-9FW5C is fitted in these vehicles: Nissan Titan H61 Facelift (2020-2024).

Our information names these vehicles for the control unit. The list is shown below as its own line:

• Nissan Titan H61 Facelift (2020-2024)

Before removal, compare the part number on the label with this page; this only shows that you have the correct unit. The decisive factor is the fault memory. Have it read out, and then it will become clear whether the control unit is defective or whether a plug and cable are 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 98820-9FW5C work?

Start by reading out the fault memory and attach the log to the unit. Only then disconnect the battery and remove the control unit. Create the repair order online and pack the unit well before you send it in.

At Airbag24 a technician checks the unit on the test bench, replaces defective components, deletes stored crash data and runs a function test. Processing usually takes 3–4 working days. Afterwards your own unit is returned.

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 98820-9FW5C 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. Put the printed repair order into the parcel and pack the unit shockproof.

A suitable carton with padding protects the electronics on the way.