Airbag control unit with part number 10457099-01

What does the airbag control unit 10457099-01 do?

The airbag control unit 10457099-01 controls the restraint system (SRS) in MG. It evaluates the signals from the crash sensors and decides in an accident, within milliseconds, which airbags and seatbelt pretensioners are triggered. After an accident, it stores crash data and locks itself.

The unit runs in the background and checks without interruption whether the power supply, sensors and firing circuits are in order. This keeps the system ready for use at all times.

If it detects a fault, it stores it in memory and shows it via the airbag warning light.

Why does the control unit 10457099-01 fail?

The most common cause is crash data stored after an accident, even if no airbag fired. A normal diagnostic tool cannot erase it. In addition there are ageing electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes from a weak battery or a jump start.

The crash data remains in the unit after the vehicle has been driven on. It does not disappear on its own, and Airbag24 only removes it during the repair.

Ageing components and cold solder joints cause irregular faults. Moisture and corrosion at the plug connections weaken the contact.

Voltage spikes act on the electronics when, for example, the battery is weak or a jump start was needed.

How can you tell that the 10457099-01 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently, an additional fault message appears, the diagnostic tool cannot reach the control unit, and the fault memory cannot be changed.

The airbag warning light indicates the fault as soon as the unit detects a malfunction. It may burn permanently or come on only from time to time.

If a fault message appears in the instrument cluster or no connection to the diagnostic tool can be made, that is also a finding.

In an emergency, airbags and seatbelt pretensioners may not deploy, so a check should be carried out promptly.

Which vehicles is the 10457099-01 fitted in?

The airbag control unit 10457099-01 is fitted in these vehicles: MG ZS 1st generation (2017-2024).

The list shows the vehicles that Airbag24 has so far assigned to this part number.

• MG ZS 1st generation (2017-2024)

Compare the part number on the label of the removed unit with this page. This only confirms that it is the right unit.

Have the fault memory read out beforehand. 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 10290894-00, 10290894-01, 10457033-01, 10457099, 10704532-01, 10766499-01.

How does the repair of the 10457099-01 work?

First have the fault memory read out and enclose the log, then disconnect the battery and remove the control unit 10457099-01. Then create a repair order online and send the unit in well packed. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 checks the unit on the test bench, replaces defective components, erases stored crash data and carries out a function test. The unit then goes back to you.

On your side, the order is fixed: first the log, then the battery, then the removal.

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 10457099-01 get to Airbag24?

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

Put the printed repair order into the parcel and pack the unit shockproof.