Airbag control unit with part number 13266378

What does the airbag control unit 13266378 do?

The airbag control unit 13266378 is the central control unit of the restraint system (SRS) for Opel. It evaluates the crash sensors, decides in an accident within milliseconds about triggering airbags and seatbelt pretensioners, and monitors the entire system.

If it detects a fault, it reports it via the airbag warning light in the instrument cluster. The unit is therefore active in everyday driving too, not only in an accident.

After an accident it stores crash data and locks itself.

Why does the control unit 13266378 fail?

With the 13266378, the most common cause after an accident is stored crash data, even if no airbag has triggered. Other causes are aged electronic components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes.

Crash data cannot be erased with a normal diagnostic tool. Airbag24 erases them during the repair.

The other causes concern the electronics themselves. Components age, solder joints can go cold, and plug connectors suffer from moisture and corrosion. Voltage spikes, for example from a weak battery or jump-starting, can also cause faults.

How can you tell that the 13266378 is defective?

A defect on the 13266378 shows itself through the airbag warning light in the instrument cluster, which stays on permanently or intermittently. In addition, the diagnostic tool cannot establish a connection to the control unit, and the fault memory cannot be erased. In an emergency, airbags and seatbelt pretensioners may then fail to trigger.

The warning light is the clearest sign that something in the system is wrong. That is why it should not be overlooked.

Which cause lies behind it is shown by reading out the fault memory afterwards.

Which vehicles is the 13266378 fitted in?

The airbag control unit 13266378 is intended for Opel and is fitted in these vehicles: Opel Corsa D (2006-2014).

The models in detail:

• Opel Corsa D (2006-2014)

Before removal, compare the part number on the label with this page. This only ensures that it is the right unit. Also have the fault memory read out, because only this result shows whether the control unit is defective or whether a plug or a cable is the cause.

For the same vehicles, we also repair control units with the part numbers 13 283 819 HB, 13256903, 13256905 CC, 13283819, 13379528 HU, 13379529.

How does the repair of the 13266378 work?

First have the fault memory read out and attach the log, then disconnect the battery and only then remove the control unit. Afterwards create a repair order online and send the unit in well packed. Inspection, repair and function test at Airbag24 usually take 3–4 working days.

Airbag24 inspects the unit on the test bench, replaces defective components where needed, erases the stored 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 13266378 get to Airbag24?

You send the control unit 13266378 in as a parcel or book UPS collection for an extra charge. After the repair, Airbag24 returns it to you by UPS.

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