Airbag control unit with part number P8635A052

What does the airbag control unit P8635A052 do?

The airbag control unit P8635A052 is the central control unit of the restraint system (SRS) of Mitsubishi. It evaluates the crash sensors, decides in an emergency within milliseconds on the triggering of airbags and seatbelt pretensioners, and monitors the system constantly. It reports faults via the airbag warning light.

The unit works in the background and continuously checks the connected components. Irregularities are recorded in the fault memory.

After an accident, it stores crash data and locks itself.

Why does the control unit P8635A052 fail?

The most common cause is crash data stored after an accident, even if no airbag has deployed; an ordinary diagnostic tool cannot erase it. Other causes are aged electronic components, cold solder joints, moisture and corrosion on plug connections, and voltage spikes caused by a weak battery or jump-starting.

The vehicle can continue to drive normally after the incident. Nevertheless, the entry remains in the unit until it is removed during the repair.

Aged components and cold solder joints develop over a longer period. Moisture and corrosion on plug connections act in a similar way, while voltage spikes stress the unit briefly.

How can you tell that the P8635A052 is defective?

A defect in the P8635A052 shows itself through the airbag warning light in the instrument cluster, which may stay on permanently or intermittently. Also present can be fault messages in the instrument cluster, a diagnostic tool without connection to the control unit, and a fault memory that cannot be cleared.

In an emergency, airbags and seatbelt pretensioners may possibly not deploy in the event of a defect. The warning light indicates this, and the notice deserves attention.

A missing connection to the diagnostic tool is also an important sign and should be clarified promptly.

Which vehicles is the P8635A052 fitted in?

The control unit P8635A052 is fitted in these vehicles: Mitsubishi Outlander CW (2006-2010) and CW Facelift (2010-2012).

The overview below shows the vehicles for which this part number is recorded.

• Mitsubishi Outlander CW (2006-2010)
• Mitsubishi Outlander CW Facelift (2010-2012)

Compare the part number on the label of the removed unit with this page. This establishes whether it is the correct unit, nothing more. Also have the fault memory read beforehand. Only this shows whether the control unit is defective or whether a plug or a cable is the cause.

For the same vehicles, we also repair control units with the part numbers 285011150, 285011151, 8635A215, 8635A221, 8635A282, 8635A283.

How does the repair of the P8635A052 work?

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

Airbag24 tests the unit on the test bench, repairs defective components and carries out a functional test. Stored crash data is erased by Airbag24 in the process. Afterwards your own unit goes back to you.

The time applies solely to testing, repairing and checking at Airbag24.

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 P8635A052 get to Airbag24?

You send the control unit P8635A052 as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 sends it back to you by UPS.

Put the printed repair order in the parcel and pack the unit shock-resistant.