Airbag control unit with part number 98820-3GY0A

What does the airbag control unit 98820-3GY0A do?

The airbag control unit 98820-3GY0A controls the restraint system (SRS) of Nissan. It evaluates the signals from the crash sensors, decides within milliseconds in a crash whether airbags and seatbelt pretensioners are triggered, and monitors the system continuously.

If it detects a fault, it shows this via the airbag warning light. After an accident, it stores crash data and locks itself.

The system works in the background without any action on your part. That is precisely why a fault does not usually become noticeable straight away.

Why does the control unit 98820-3GY0A fail?

The most common cause of a failure of the 98820-3GY0A is crash data stored after an accident, even if no airbag has deployed; a normal diagnostic tool cannot erase it. Other causes include ageing electronic components, cold solder joints, moisture and corrosion at connectors, and voltage spikes, for example from a weak battery or jump-starting.

The crash data originate from the event itself and remain in the unit. Electronics also age, and solder joints can lose contact over time.

Moisture and corrosion mainly attack connectors. Voltage spikes when starting the engine or from a weak battery can place additional strain on the electronics.

How can you tell that the 98820-3GY0A is defective?

A defect in the 98820-3GY0A shows up as the airbag warning light on the instrument cluster lighting up permanently or intermittently, as an error message on the instrument cluster, or as a diagnostic tool that cannot connect to the control unit. If the fault memory cannot be cleared, that is a further sign.

The airbag warning light on the instrument cluster is the system's direct feedback to you. As soon as the control unit detects a fault, it lights up and stays on until the fault is rectified.

In the event of a defect, the airbags and seatbelt pretensioners may not trigger in a crash. Take this signal seriously and have it checked promptly.

Which vehicles is the 98820-3GY0A fitted in?

The airbag control unit 98820-3GY0A is fitted in these vehicles: Nissan 370Z Z34 Facelift (2013-2020) and Z34 (2008-2013).

The vehicles that belong to this part number are listed below.

• Nissan 370Z Z34 Facelift (2013-2020)
• Nissan 370Z Z34 (2008-2013)

Two steps will help you with the comparison. Compare the part number on the label of the removed unit with this page; this only confirms that you have the correct unit in front of you. Also have the fault memory read out in advance, because only this result shows whether the control unit is defective or whether a connector or a cable is the cause.

For the same vehicles, we also repair control units with the part numbers 25348 1A33B, 98820 1EJ1A, 98820-1EA0A, 98820-1ER0A, K8820-1EA0A, K8820-1EJ0A.

How does the repair of the 98820-3GY0A work?

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

Airbag24 checks the unit on the test bench, replaces defective components, erases stored crash data and carries out a function test. 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 98820-3GY0A get to Airbag24?

You send the control unit 98820-3GY0A as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 returns it to you by UPS.

You place the printed repair order in the parcel and pack the unit shock-proof.