Airbag control unit with part number 1678165980

What does the airbag control unit 1678165980 do?

The control unit 1678165980 controls the restraint system (SRS) of Fiat. It checks the signals from the crash sensors and, in an accident, triggers airbags and seatbelt pretensioners depending on the situation.

Triggering takes place within milliseconds. During operation, the unit checks all components of the system and indicates faults via the airbag warning light.

After an accident, it stores crash data and then locks itself. The lock affects the entire restraint technology until the fault is rectified.

Why does the control unit 1678165980 fail?

Crash data from an earlier accident is the most common cause of a failure, even if no airbag was triggered. A normal diagnostic tool cannot erase it. Airbag24 removes it during the repair of the 1678165980.

There are also causes without an accident. Electronic components age over time, and solder joints can become cold. Moisture and corrosion on the plug connections disrupt signal transmission.

Voltage spikes can also affect the control unit, for example with a weak battery or when connecting jump leads.

How can you tell that the 1678165980 is defective?

A defective 1678165980 shows itself mainly through the airbag warning light in the instrument cluster, which lights up permanently or intermittently. Further signs also concern the diagnostic tool.

• Airbag warning light lights up permanently or intermittently
• Fault message in the instrument cluster
• Diagnostic tool cannot connect to the control unit
• Fault memory cannot be cleared

Airbags and seatbelt pretensioners may not be able to trigger in an emergency if any of these signs occur. Please have the cause checked promptly.

Which vehicles is the 1678165980 fitted in?

The control unit 1678165980 is fitted in these vehicles: Fiat Doblo K9 (from 2022). Whether your car is among them can be clarified with the details on the unit and in the list.

These vehicles are listed:

• Fiat Doblo K9 (from 2022)

Before removal, these points are important. Compare the part number on the label of the removed unit with this page; this only ensures that it is the correct unit. Also have the fault memory read out. Only this result 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 98 237 413 80.

How does the repair of the 1678165980 work?

For the repair of the 1678165980, first have the fault memory read out and attach the log to the unit. Then disconnect the battery and only after that remove the control unit. Online, you create the repair order, and the well-packed unit goes to Airbag24.

At Airbag24, the unit is examined on the test bench. Defective components are repaired or replaced. Afterwards, Airbag24 erases the crash data and carries out a function test before your own unit is sent back.

Processing at Airbag24 usually takes 3–4 working days. This information applies only to checking, repairing and testing.

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 1678165980 get to Airbag24?

You send the control unit 1678165980 as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 sends it back to you by UPS.

Put the printed repair order into the parcel and pack the unit shock-proof.