Airbag control unit with part number 8635A184

What does the airbag control unit 8635A184 do?

The airbag control unit 8635A184 is the switching centre of the restraint system (SRS) in Mitsubishi. In a collision, it decides within milliseconds which airbags and seatbelt pretensioners are triggered.

To do this, it continuously evaluates the signals from the crash sensors. At the same time, it monitors the system itself and shows faults via the airbag warning light.

After an accident, the unit writes crash data and locks itself. Airbag24 removes this crash data during the repair.

Why does the control unit 8635A184 fail?

The most common cause is stored crash data after an accident, even if no airbag has deployed. Further causes include aged electronic components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes, for example from a weak battery.

A conventional diagnostic tool cannot remove the crash data, which is why Airbag24 takes this step during the repair.

Electronic components wear out over the years, and solder joints can go cold. If moisture or corrosion reaches plug connections, the contact suffers. Voltage spikes put a strain on the power supply and therefore on the unit.

How can you tell that the 8635A184 is defective?

A defect shows up through the airbag warning light in the instrument cluster, which lights up constantly or intermittently. A fault message can also appear, and the diagnostic tool cannot reach the control unit.

The fault memory then cannot be cleared. In an emergency, airbags and seatbelt pretensioners may not trigger, so an inspection is advisable.

Which vehicles is the 8635A184 fitted in?

The control unit 8635A184 is fitted in these vehicles: Mitsubishi Pajero V80 (2007-2012) and V80 Facelift (2012-2021).

The assignment of vehicles follows here:

• Mitsubishi Pajero V80 (2007-2012)
• Mitsubishi Pajero V80 Facelift (2012-2021)

Comparing the part number on the removed unit with this page confirms that it is the correct unit. Whether the control unit is defective or a plug or cable is the cause is shown only by the fault memory. Have it read out beforehand.

For the same vehicles, we also repair control units with the part numbers 8635A093, MR551782, P21516708.

How does the repair of the 8635A184 work?

First have the fault memory read out and enclose the log. Then disconnect the battery and afterwards remove the control unit. Next, create a repair order online and send the well-packed unit in. Airbag24 checks it on the test bench, renews defective components where necessary, erases the crash data and carries out a function test. Processing at Airbag24 usually takes 3–4 working days.

The unit is then returned to you. The time stated covers only checking, repairing and testing.

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 8635A184 get to Airbag24?

You send the unit to us as a parcel, or you book a UPS collection for an extra charge. After the repair, Airbag24 sends it back via UPS. Put the printed repair order in the parcel and pack the control unit shock-resistant.

A stable packaging with padding protects the unit along the entire route.