Airbag control unit with part number 51734430

What does the airbag control unit 51734430 do?

The airbag control unit 51734430 is the central control unit of the restraint system (SRS) for Fiat. It checks the signals from the crash sensors, determines in the event of an accident which airbags and seatbelt pretensioners are triggered, and monitors the system continuously. After an accident it stores crash data and locks itself.

The control unit indicates faults via the airbag warning light in the instrument cluster. This display tells you the condition of the system and whether a check is needed.

The control unit is therefore the link between sensors and triggering.

Why does the control unit 51734430 fail?

The most common cause on the 51734430 is crash data stored after an accident, even without an airbag deployment. Aged components, moisture at connectors and voltage spikes are also possible causes.

Crash data cannot be erased with a standard diagnostic tool. Airbag24 erases it during the repair.

Further causes at a glance:

• aged electronic components
• cold solder joints
• moisture and corrosion at connectors
• voltage spikes, for example from a weak battery or a jump start

How can you tell that the 51734430 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently, and a fault message appears in the instrument cluster. In addition, the diagnostic tool may be unable to reach the 51734430, or the fault memory cannot be cleared.

In an emergency, airbags and seatbelt pretensioners may then fail to deploy. For that reason, take the warning light seriously and have the condition checked.

A warning light that comes on only intermittently is not a sign that everything is in order.

Which vehicles is the 51734430 fitted in?

The 51734430 is fitted in these vehicles: Fiat Idea 350 (2004-2005) and 350 Facelift (2005-2008).

The vehicles recorded for this part number:

• Fiat Idea 350 (2004-2005)
• Fiat Idea 350 Facelift (2005-2008)

Before removal, these checks help. Comparing the part number on the label of the removed unit with this page only ensures that you have the right unit. You should have the fault memory read out beforehand, because only that result shows whether the control unit is defective or whether a connector or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 51716748, 51752040, 51760853, 51816902, 51816903, 51816904.

How does the repair of the 51734430 work?

First have the fault memory read out and enclose the log. Then disconnect the battery and only afterwards remove the control unit 51734430. Then create a repair order online and send in the well-packed unit.

Airbag24 checks the unit on the test bench, repairs defective components, erases stored crash data and carries out a functional test. Processing at Airbag24 usually takes 3–4 working days.

Afterwards your own unit is 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 51734430 get to Airbag24?

You send in the control unit 51734430 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 shockproof.