Airbag control unit with part number 09229302

What does the airbag control unit 09229302 do?

The airbag control unit 09229302 is the central control unit of the restraint system (SRS) for Opel. It evaluates the signals from the crash sensors, decides on the triggering of airbags and seatbelt pretensioners within milliseconds in an accident, and monitors the system continuously. After an accident, it stores crash data and locks itself.

In addition to the part number, the housing also carries the manufacturer number Continental 5WK42925. The unit reports faults via the airbag warning light in the instrument cluster.

Why does the control unit 09229302 fail?

The most common cause on the 09229302 is crash data stored after an accident, even if no airbag has deployed. An ordinary diagnostic tool cannot erase it. Other causes are aged components, cold solder joints, moisture and corrosion on plug connections, and voltage spikes.

• aged electronic components
• cold solder joints
• moisture and corrosion at plug connections
• voltage spikes, for example from a weak battery or jump-starting

Airbag24 erases the crash data during the repair.

How can you tell that the 09229302 is defective?

A defect on the 09229302 shows up as an error message in the instrument cluster, an airbag warning light that lights up permanently or intermittently, no connection between the diagnostic tool and the control unit, and a fault memory that cannot be cleared.

• Airbag warning light in the instrument cluster
• Error message in the instrument cluster
• no connection established by the diagnostic tool
• Fault memory cannot be cleared

In an emergency, airbags and seatbelt pretensioners may not be able to deploy. Have the finding checked promptly.

Which vehicles is the 09229302 fitted in?

The 09229302 is assigned to several vehicles. It is fitted in these vehicles: Opel Astra G (1998-2004); Opel Zafira A (1999-2005).

The assignment follows here as a list:

• Opel Astra G (1998-2004)
• Opel Zafira A (1999-2005)

Compare the part number on the label of the removed unit with this page. This only confirms that you have the correct unit. Also have the fault memory read out beforehand; only this result shows whether the control unit is defective or whether a connector or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 09 229 303, 09 229 303 BG, 09174004UU, 13188856, 13261676, 24416703DL.

How does the repair of the 09229302 work?

First read out the fault memory and enclose the log, then disconnect the battery and only then remove the control unit 09229302. Then create a repair order online and send in the well-packed unit. Processing at Airbag24 takes 3–4 working days as a rule.

Airbag24 checks the unit on the test bench, replaces defective components, erases the crash data and carries out a functional test. Afterwards, your own unit is returned to you.

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 09229302 get to Airbag24?

You send the control unit 09229302 as a parcel, or you book a UPS collection for an extra charge. The return after the repair is made by UPS.

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