Airbag control unit with part number 8635A092S

What does the airbag control unit 8635A092S do?

The airbag control unit 8635A092S runs the restraint system (SRS) in the Mitsubishi. From the crash sensor readings it works out whether airbags and seatbelt pretensioners must be triggered, deciding within milliseconds. At the same time it monitors the system continuously and shows faults via the airbag warning light.

After an accident it stores crash data and locks itself.

While driving, the control unit normally goes unnoticed. A display in the instrument cluster appears only if it detects a deviation.

Why does the control unit 8635A092S fail?

Stored crash data is the most common cause, even if no airbag fired in an incident. An ordinary diagnostic tool does not delete it. Further causes include aged components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes from a weak battery or a jump start.

That crash data is stored is down to the unit's assessment of the event. Whether an airbag fired is not decisive for the storage.

The other causes mainly concern contacts and components. Loose or damp connections and older components can likewise trigger a fault.

How can you tell that the 8635A092S is defective?

The airbag warning light in the instrument cluster lights up constantly or intermittently, and an error message appears there. In addition, no connection to the diagnostic tool is established, and the fault memory remains even if you try to clear it.

These symptoms may appear:

• The airbag warning light stays on permanently or switches on again and again.
• A message in the instrument cluster points to the airbag system.
• A diagnostic tool does not find the control unit.
• The fault memory cannot be emptied.

With such a finding, airbags and seatbelt pretensioners may possibly not trigger in an emergency. Therefore have the system checked without delay.

Which vehicles is the 8635A092S fitted in?

The 8635A092S is fitted in these vehicles: Mitsubishi Pajero V80 (2007-2012) and V80 Facelift (2012-2021).

The known vehicles are listed below:

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

Comparing the part number on the removed control unit with this page only confirms that you have the matching unit. Before that, have the fault memory read out, because only the 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 8635A093, MR551782, P21516708.

How does the repair of the 8635A092S work?

First read out the fault memory and enclose the log. Then disconnect the battery and only afterwards remove the control unit. Next create the repair order online and send the unit off well packed.

Airbag24 inspects the unit on the test bench, repairs defective components, deletes the stored crash data and carries out a function test. Processing at Airbag24 usually takes 3–4 working days.

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 8635A092S get to Airbag24?

You send the unit as a parcel, or you book a UPS collection for an extra charge. After the repair Airbag24 sends the unit back to you by UPS.

Put the printed repair order into the parcel and pack the control unit shock-proof.