Airbag control unit with part number 10786516-01

What does the airbag control unit 10786516-01 do?

The airbag control unit 10786516-01 is the central control unit of the restraint system (SRS) for MG. It evaluates the signals from the crash sensors, decides in an accident within a flash which airbags and seatbelt pretensioners are triggered, and monitors the system continuously. After an accident, it stores crash data and locks itself.

In everyday use, the control unit also works in the background. It checks the power supply, the connections to the sensors and the activation of the airbags and seatbelt pretensioners.

If it detects a fault, it records it in the fault memory and shows it via the airbag warning light in the instrument cluster. The crash data remains stored in the control unit.

Why does the control unit 10786516-01 fail?

The most common cause is crash data stored after an accident, even if no airbag was triggered. Other causes are aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes, for example from a weak battery or an incorrectly connected jump-start.

Crash data cannot be erased with a normal diagnostic tool. The fault therefore cannot simply be made to go away, even if everything else on the vehicle seems to be in order.

Electronics age, and solder joints can lose contact over time. Moisture in a plug can cause corrosion that is hard to detect from the outside.

How can you tell that the 10786516-01 is defective?

The airbag warning light in the instrument cluster stays on permanently or only at times, a fault message appears in the instrument cluster, the diagnostic tool gets no connection to the control unit, and the fault memory cannot be cleared.

With such a fault, airbags and seatbelt pretensioners may fail to deploy in an emergency. A light that comes on only intermittently is no sign that the fault has gone away.

The warning light shows the defect. When it is on, have the system checked promptly.

Which vehicles is the 10786516-01 fitted in?

The airbag control unit 10786516-01 is fitted in these vehicles: MG HS 1st generation (2019-2024).

The vehicles with this control unit are shown in the overview below.

• MG HS 1st generation (2019-2024)

Compare the part number on the label of the removed unit with this page. That only shows that you have the right unit in front of you. Have the fault memory read out beforehand, because only the report 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 10786524/01, 10836975/01.

How does the repair of the 10786516-01 work?

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

Airbag24 checks the unit on the test bench and replaces defective components. The crash data is then erased, a function test follows, and your own unit goes back to you. The order of the steps serves your safety.

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 10786516-01 get to Airbag24?

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

Place the printed repair order in the parcel and pack the control unit shock-proof.