Airbag control unit with part number 09229239

What does the airbag control unit 09229239 do?

The airbag control unit 09229239 is the central control unit of the restraint system (SRS) of Opel. It processes the crash sensor signals and decides in a crash within a few milliseconds which airbags and seatbelt pretensioners are triggered.

It monitors the entire system continuously and reports faults via the airbag warning light in the instrument cluster.

After an accident the unit stores crash data and locks itself. The manufacturer number Continental 5WK42922 is also printed on the housing.

Why does the control unit 09229239 fail?

The most common cause for 09229239 is crash data stored after an accident, even if no airbag has deployed; a normal diagnostic tool cannot erase it. Other causes are aged electronic components, cold solder joints, moisture and corrosion at plug connectors, as well as voltage spikes.

Airbag24 erases the crash data during the repair. The other causes are examined on the test bench before the repair is completed.

Electronic components age and solder joints can go cold. Moisture and corrosion attack the plug connectors, and voltage spikes stress the electronics, for example with a weak battery or jump-starting.

How can you tell that the 09229239 is defective?

A defect in the 09229239 shows itself through the airbag warning light staying on permanently or intermittently, through a fault message in the instrument cluster, through a missing connection to the diagnostic tool, or through a fault memory that cannot be cleared. In an emergency, airbags and seatbelt pretensioners may then fail to deploy.

The airbag warning light in the instrument cluster shows the defect as soon as the control unit detects it. It does not wait for a later inspection.

A missing connection to the diagnostic tool prevents the fault memory from being read. This too indicates that the system is not in order.

Which vehicles is the 09229239 fitted in?

The 09229239 is fitted in these vehicles: Opel Vectra B (1995-2002).

The known installations of this part number are in the list:

• Opel Vectra B (1995-2002)

Compare the part number on the label of the removed unit with this page, and then you are sure it is the right unit. Whether the control unit is defective or a plug or cable is the cause is shown only by the fault memory, which you have read out before removal.

For the same vehicles, we also repair control units with the part numbers 09229039 BD, 90 508 980 , 90532443, 90569340, 90569340 BQ, 90569350.

How does the repair of the 09229239 work?

First have the fault memory read out and enclose the log. Then disconnect the battery and only then remove the control unit. Afterwards you create a repair order online and send in the unit.

Airbag24 checks the unit, replaces defective components, erases crash data and carries out a function test. Processing 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 09229239 get to Airbag24?

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

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