Airbag control unit with part number 00052078053

What does the airbag control unit 00052078053 do?

The airbag control unit 00052078053 coordinates the restraint system in Fiat vehicles. It checks the sensor signals continuously, selects the appropriate airbags and seatbelt pretensioners in a crash, and triggers them within fractions of a second.

The unit shows detected faults via the airbag warning light in the instrument cluster. In everyday driving the control works unobtrusively in the background.

After an accident the unit stores crash data and locks itself.

Why does the control unit 00052078053 fail?

Stored crash data from an accident is the most common cause, even if no airbag has deployed. Added to this are aged electronic components, cold solder joints, moisture and corrosion at plug connections and voltage spikes.

Stored crash data cannot be erased with a normal diagnostic tool, so the fault remains in the fault memory.

The other causes lie in the electronics themselves. Components age, solder joints can go cold, and moisture or corrosion weakens plug connections. Voltage spikes, for example when starting with a jump start, also stress the electronics.

How can you tell that the 00052078053 is defective?

The airbag warning light in the instrument cluster lights up on the 00052078053 permanently or intermittently and thus indicates a defect. In addition come an error message in the instrument cluster, a diagnostic tool without a connection and a fault memory that cannot be cleared.

The warning light is the signal you should not ignore. As long as it is active, airbags and seatbelt pretensioners may not fire in an emergency.

If no connection to the diagnostic tool can be established, this also points to a fault.

Which vehicles is the 00052078053 fitted in?

The 00052078053 is fitted in these vehicles: Fiat Tipo 356 (2016-2020).

The list shows the vehicles in which this control unit has been installed.

• Fiat Tipo 356 (2016-2020)

First check whether the part number on the label of the removed unit matches this page. This only tells you that you have the correct unit. What matters is the fault memory: have it read out before removal, because only the log shows whether the control unit or a plug or a cable is the cause.

For the same vehicles, we also repair control units with the part numbers 00052090728, 156348104, 208055, 52017547.

How does the repair of the 00052078053 work?

Airbag24 checks the control unit 00052078053 on the test bench, repairs defective components and carries out a function test. Processing usually takes 3–4 working days. With this control unit, erasing the crash data is often not possible. If the crash data needs to be erased, please contact us briefly before sending the unit in – we will check your part number.

Before sending, read out the fault memory and enclose the log. Then disconnect the battery and only then remove the unit. Afterwards create a repair order online and pack the unit well.

These 3–4 working days refer solely to checking, repairing and testing at Airbag24.

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 00052078053 get to Airbag24?

You send the control unit 00052078053 to Airbag24 in a parcel, or book a UPS collection for an extra charge. After the repair it comes back to you by UPS.

The repair order from the printout belongs in the parcel. Pack the unit shock-resistant.