Airbag control unit with part number 15299719

What does the airbag control unit 15299719 do?

The airbag control unit 15299719 controls the restraint system (SRS) of Chevrolet. It processes the readings from the crash sensors and, in a crash, triggers airbags and seatbelt pretensioners within milliseconds. It also checks the system continuously and shows faults via the airbag warning light.

This monitoring runs in the background throughout every journey. If the unit finds a deviation, it stores the fault so that it can be read out in a targeted way later.

After an accident, the control unit creates crash data and locks itself. The lock is only lifted by the repair.

Why does the control unit 15299719 fail?

The most common cause is crash data stored in the unit after an accident, even if no airbag was triggered. Aged components, cold solder joints, moisture and corrosion on connectors, and voltage spikes can also lead to failure.

A normal diagnostic tool cannot remove this crash data. The unit therefore keeps it, even if nothing happened apart from the shock.

The other causes tend to develop gradually. A connector exposed to moisture shows dropouts first before it fails completely, and a voltage spike in the vehicle electrical system can damage components inside the unit.

How can you tell that the 15299719 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently, and an error message appears in the instrument cluster. In addition, the diagnostic tool cannot establish a connection to the control unit, and the fault memory cannot be cleared.

With these signs, airbags and seatbelt pretensioners may not trigger in an emergency. Please have the findings checked promptly, even if the car seems unremarkable in everyday use.

The warning light comes from the system itself and shows the fault directly, so a glance at the instrument cluster is enough.

Which vehicles is the 15299719 fitted in?

The 15299719 is fitted in these vehicles: Chevrolet Cobalt 1st generation (2004-2010). The details refer to Chevrolet.

The affected vehicles are shown in the following list:

• Chevrolet Cobalt 1st generation (2004-2010)

First compare the part number on the label of the removed unit with this page; this only confirms that it is the right unit. Also have the fault memory read out before you remove anything. Only this result shows whether the control unit is defective or whether a connector or a cable is the cause.

For the same vehicles, we also repair control units with the part numbers 15249432, 22729009, 22729011.

How does the repair of the 15299719 work?

First have the fault memory read out and attach the log. Then disconnect the battery and only then remove the control unit. Next, create a repair order online and send in the well-packed unit.

Airbag24 checks the control unit on the test bench and replaces defective components. Stored crash data is deleted, followed by a function test. You then receive your own, repaired unit back. Processing at Airbag24 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 15299719 get to Airbag24?

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

The printed repair order goes into the parcel. Pad the unit so that it is shock-resistant before you hand it over.