Airbag control unit with part number 98820-9PC3A

What does the airbag control unit 98820-9PC3A do?

The airbag control unit 98820-9PC3A is the central control unit of the restraint system (SRS) for Nissan. It evaluates the signals from the crash sensors and decides within milliseconds in an emergency which airbags and seatbelt pretensioners are triggered.

At the same time the unit monitors the system continuously and displays detected faults via the airbag warning light in the instrument cluster.

After an accident it stores crash data and locks itself.

Why does the control unit 98820-9PC3A fail?

Stored crash data from an accident is the most common cause on the 98820-9PC3A, even if no airbag was triggered. A normal diagnostic tool cannot erase it. Aged components, cold solder joints, moisture and voltage spikes are also possible causes.

The crash data remains in the memory as long as it is not deleted. A triggered airbag is not required for this; the entry alone is enough.

The other causes can lie in the electronics. Components age, solder joints can go cold, and moisture attacks plug connections. Voltage spikes, for example with a weak battery or a jump start, put additional strain on the circuit.

How can you tell that the 98820-9PC3A is defective?

A defect in the 98820-9PC3A shows up as an airbag warning light in the instrument cluster that lights up permanently or intermittently, and as an error message in the instrument cluster. In addition, the diagnostic tool cannot establish a connection to the control unit, and the fault memory cannot be cleared.

As long as the warning light is on, airbags and seatbelt pretensioners may not trigger in an emergency. The light therefore indicates the defect directly.

Anyone who takes this notice seriously early on can get the check done promptly.

Which vehicles is the 98820-9PC3A fitted in?

The control unit 98820-9PC3A is fitted in these vehicles: Nissan Pathfinder R52 Facelift (2016-2021) and R52 (2013-2016). The information relates to this unit with exactly this part number.

The vehicles at a glance:

• Nissan Pathfinder R52 Facelift (2016-2021)
• Nissan Pathfinder R52 (2013-2016)

Compare the part number on the label of the removed unit with this page; that ensures you have the correct unit in front of you. Also have the fault memory read out before removal. 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 285013305, 98820-9PC5A, 98820-9WD1A.

How does the repair of the 98820-9PC3A work?

First have the fault memory read out and attach the log, then disconnect the battery and only then remove the control unit 98820-9PC3A. Then create a repair order online and send the unit in well packed. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 examines the unit on the test bench, repairs defective components, deletes stored crash data and carries out a function test. Afterwards 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 98820-9PC3A get to Airbag24?

You send the control unit 98820-9PC3A in as a package or book a UPS collection for an extra charge. After the repair Airbag24 returns the unit to you by UPS.

Place the printed repair order in the package and pack the unit shock-resistant.