Airbag control unit with part number 00052078052

What does the airbag control unit 00052078052 do?

The airbag control unit 00052078052 controls the restraint system (SRS) of Fiat. It measures what happens in an impact via the crash sensors and triggers the appropriate airbags and seatbelt pretensioners within milliseconds.

During operation it checks the function of all connected components continuously. If it detects a fault, the airbag warning light in the instrument cluster lights up.

After an accident it writes crash data and locks itself.

Why does the control unit 00052078052 fail?

With the 00052078052, the most common cause after an accident is stored crash data, even if no airbag has triggered. Aged electronic components, cold solder joints, moisture and corrosion at plugs, and voltage spikes also come into consideration.

A normal diagnostic tool cannot erase these crash data. For this reason they remain in the control unit.

The other causes lie in the electronics or in the power supply. A weak battery or a jump start can generate voltage spikes that affect the unit.

How can you tell that the 00052078052 is defective?

With the 00052078052, a typical sign is an airbag warning light that stays on permanently or intermittently, accompanied by an error message in the instrument cluster. The diagnostic tool then finds no connection to the control unit, and the fault memory cannot be cleared. In an emergency, airbags and seatbelt pretensioners may not trigger.

The warning light is the indication that the unit itself has detected a fault. Even if the vehicle still drives, the warning must be taken seriously.

How deep the fault goes is shown by reading out the fault memory.

Which vehicles is the 00052078052 fitted in?

The control unit 00052078052 is intended for Fiat. It is fitted in these vehicles: Fiat Tipo 356 (2016-2020).

The list of vehicles follows here:

• Fiat Tipo 356 (2016-2020)

Use the label of the removed unit to compare the part number with this page. This only confirms that you have the right unit in front of you. Also have the fault memory read out beforehand. Only this 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 00052090728, 156348104, 208055, 52017547.

How does the repair of the 00052078052 work?

You read out the fault memory, attach the log and disconnect the battery before removing the control unit 00052078052. Then you create a repair order online and send the unit in well packed. Inspection, repair and function test at Airbag24 usually take 3–4 working days.

Observe the sequence: only when the battery is disconnected is the control unit removed, for safety reasons.

At Airbag24 the unit first goes onto the test bench. Defective components are replaced where needed, and finally a function test takes place. 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.

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 00052078052 get to Airbag24?

You send the control unit 00052078052 as a parcel or book UPS collection for an extra charge. After the repair, Airbag24 returns the unit to you by UPS.

Enclose the printed repair order in the parcel, and pack the control unit shock-proof.