Airbag control unit with part number 24466387

What does the airbag control unit 24466387 do?

The airbag control unit 24466387 is the central control unit of the restraint system (SRS) for the Opel. It processes the measured values of the crash sensors, decides in an accident which airbags and seatbelt pretensioners are triggered, and monitors the system permanently. Faults are shown via the airbag warning light.

The decision is made within milliseconds and depends on the strength and direction of the impact. In everyday use the unit works unnoticed in the background.

After an accident the unit stores crash data and locks itself.

Why does the control unit 24466387 fail?

The most common cause is crash data stored after an accident, even if no airbag has triggered. A normal diagnostic tool cannot erase it. Added to this are aged electronic components, cold solder joints, moisture and corrosion at plugs, and voltage spikes.

Stored crash data remains in the unit until it is removed during the repair. This explains why a vehicle may suddenly show a fault after an older accident.

The other causes are not tied to an accident either. Corroded contacts and cold solder joints disrupt the signal paths, and voltage spikes, for example from a weak battery, can trigger faults.

How can you tell that the 24466387 is defective?

Signs include an airbag warning light in the instrument cluster that stays on permanently or intermittently, an error message in the instrument cluster, no connection to the diagnostic tool, and a fault memory that cannot be cleared. In that case airbags and seatbelt pretensioners may not trigger in an emergency.

The warning light is the most important indication the vehicle gives. If it stays on after starting, the system should be checked promptly.

Which vehicles is the 24466387 fitted in?

The airbag control unit 24466387 is fitted in these vehicles: Opel Corsa C (2000-2006). Whether your car is among them can be checked before removal. A part number alone does not prove it.

The following vehicles are included:

• Opel Corsa C (2000-2006)

Compare the part number on the label of the removed unit with this page, so that you know it is the correct unit. Have the fault memory read out beforehand, because only the log shows whether the control unit is defective or whether a connector or cable is causing the fault.

For the same vehicles, we also repair control units with the part numbers 13212353CA, 24 439 952 LA, 24 439 953 LB, 24439954, 9115117.

How does the repair of the 24466387 work?

First have the fault memory read out and enclose the log. Then disconnect the battery and only then remove the control unit. Next, create a repair order online and send the unit in well packed. For inspection, repair and function test at Airbag24, 3–4 working days are planned as a rule.

Airbag24 checks the unit on the test bench, repairs defective components, erases the stored crash data and carries out a function test.

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 24466387 get to Airbag24?

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

The printed repair order goes into the parcel, and the control unit is packed shock-proof.