Airbag control unit with part number 6Q0909601F

What does the airbag control unit 6Q0909601F do?

The airbag control unit 6Q0909601F is the central control unit of the restraint system (SRS) for Seat. It evaluates the signals from the crash sensors and decides within milliseconds in an accident which airbags and seatbelt pretensioners are triggered. After an accident it stores crash data and locks itself.

In addition it monitors the restraint system throughout the entire drive, so that faults are detected early.

If it detects a fault, it switches on the airbag warning light in the instrument cluster and records the fault in the memory.

Why does the control unit 6Q0909601F fail?

Stored crash data is the most common cause of failure, even if no airbag was triggered in the accident. Further causes are aged electronics, cold solder joints, moisture and corrosion at plug connections, and voltage spikes. Airbag24 erases the crash data during the repair of control unit 6Q0909601F.

A normal diagnostic tool cannot erase crash data, which is why it belongs to the repair.

The other causes concern the electronics themselves. Components age, solder joints can go cold, and moisture attacks plug connections. Voltage spikes, for example from a weak battery or a jump start, can also overload the device.

How can you tell that the 6Q0909601F is defective?

The airbag warning light in the instrument cluster indicates the defect when it stays on permanently or intermittently. In addition, the fault memory of control unit 6Q0909601F cannot be cleared, and the diagnostic tool finds no connection to the unit.

An error message in the instrument cluster, pointing to the restraint system, may also appear. The diagnostic tool then either makes no connection or reads no data.

In this state, airbags and seatbelt pretensioners may fail to deploy in an emergency. Have the finding checked promptly, even if the vehicle drives inconspicuously.

Which vehicles is the 6Q0909601F fitted in?

The 6Q0909601F is fitted in these Seat vehicles: Seat Ibiza 3 [6L] (2002-2006) and 3 [6L] Facelift (2006-2008); Seat Cordoba 2 [6L] (2002-2008). This assignment is based on our data for the part number.

The vehicles are listed here:

• Seat Ibiza 3 [6L] (2002-2006)
• Seat Ibiza 3 [6L] Facelift (2006-2008)
• Seat Cordoba 2 [6L] (2002-2008)

If the part number on the label of your removed unit matches this page, you have the right unit. Whether the control unit is defective, or whether a plug or cable is the cause, is clarified 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 5WK42800, 6Q0 909 605S, 6Q0909605AE.

How does the repair of the 6Q0909601F work?

Have the fault memory read out first; the log then goes into the parcel. Then disconnect the battery and only then remove control unit 6Q0909601F from the vehicle. Processing at Airbag24 takes 3–4 working days.

Afterwards create your repair order online and send the unit off well packed.

Airbag24 checks the control unit on the test bench, replaces defective components, erases stored crash data and carries out a function test. Your own unit then goes back 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 6Q0909601F get to Airbag24?

You hand the control unit 6Q0909601F over to a parcel service, or you book a UPS collection for an extra charge. Airbag24 sends it back by UPS after the repair.

The printed repair order comes into the parcel. When packing, make sure the control unit sits in a shockproof casing.