Airbag control unit with part number 9674909680

What does the airbag control unit 9674909680 do?

For the restraint system (SRS) of Peugeot, the airbag control unit 9674909680 is responsible. It reads impact signals, determines in an accident within milliseconds which airbags and seatbelt pretensioners to trigger, and checks its own condition continuously.

If the unit detects a fault, it reports it via the airbag warning light in the instrument cluster. After an accident, it stores crash data and locks itself.

The check runs quietly in the background, even if you notice nothing of it.

Why does the control unit 9674909680 fail?

Crash data from a past accident is considered the most common cause, even if no airbag has deployed. An ordinary diagnostic tool cannot erase it. In addition, there are aged electronics, cold solder joints, moisture and corrosion at contacts, and voltage spikes, for example from a weak battery or a jump start.

That no airbag has deployed changes nothing about the fact that the unit has stored the event.

The other causes develop over time, for example when moisture attacks contacts.

How can you tell that the 9674909680 is defective?

A defect in the 9674909680 shows up as the airbag warning light, which lights up constantly or intermittently, as error messages in the instrument cluster, as a diagnostic tool without connection, and as a fault memory that cannot be cleared. In an emergency, airbags and seatbelt pretensioners may fail to deploy when there is a defect.

The typical signs at a glance:

• Airbag warning light in the instrument cluster that lights up constantly or intermittently
• Error message in the instrument cluster
• Diagnostic tool cannot establish a connection to the control unit
• Fault memory cannot be cleared

The warning light makes the fault visible, so it should be taken seriously.

Which vehicles is the 9674909680 fitted in?

The assignment belongs to this part number. The control unit 9674909680 is fitted in these vehicles: Peugeot 408 I (2010-2022).

The known models are listed below.

• Peugeot 408 I (2010-2022)

Comparing the label of the removed unit with this page only ensures that it is the right unit. Have the fault memory read out beforehand. Only the log shows whether the control unit is defective or whether a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 1692299380, 9800099380.

How does the repair of the 9674909680 work?

First, the fault memory is read out and the log is enclosed. Then the battery is disconnected and the control unit is removed. Processing at Airbag24 usually takes 3–4 working days for checking, repairing and testing.

Afterwards, you create a repair order online and send in the well-packed unit.

Airbag24 checks the unit on the test bench and replaces defective components. Airbag24 erases the stored crash data, followed by a function test. Your own unit is then 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 9674909680 get to Airbag24?

The unit reaches Airbag24 as a parcel, or you book a UPS pickup for an extra charge. Airbag24 returns it by UPS after the repair.

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