Airbag control unit with part number 00052157723

What does the airbag control unit 00052157723 do?

The airbag control unit 00052157723 is the central control unit of the restraint system (SRS) for Fiat. It processes the crash sensor data and, in an accident within a few milliseconds, decides which airbags and seatbelt pretensioners are triggered.

The unit monitors the system continuously and reports faults. After an accident it stores crash data and then locks itself.

Why does the control unit 00052157723 fail?

The most common cause is crash data remaining in the memory after an accident, even if no airbag has been triggered. Other causes include ageing electronics, cold solder joints, moisture and corrosion at plug connections, and voltage spikes from a weak battery or a jump start.

Stored crash data cannot be erased with a normal diagnostic tool. The fault therefore remains until the data has been removed.

The remaining causes are of a general nature. Components age, solder joints go cold, moisture and corrosion attack the contacts, and voltage spikes occur, for example with a weak battery.

How can you tell that the 00052157723 is defective?

Defects show up through the airbag warning light, which lights permanently or intermittently, through a fault message in the instrument cluster and through a diagnostic tool without connection. A fault memory that cannot be cleared confirms the suspicion. In an emergency, the airbags and seatbelt pretensioners may then fail to trigger.

The warning light reports the fault as soon as the control unit detects it. A check is the right next step in response to this message.

If the diagnostic tool shows no connection, that is a further sign of a fault in the system.

Which vehicles is the 00052157723 fitted in?

The control unit 00052157723 belongs to this vehicle: Fiat Tipo 356 (2016-2020).

The list below shows the vehicles to which this unit is assigned.

• Fiat Tipo 356 (2016-2020)

(a) Comparing the part number on the label with this page only confirms that the unit is the correct one. (b) Whether the control unit is defective, or whether a plug or cable is responsible for the fault, is shown only by the fault memory read out beforehand.

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

How does the repair of the 00052157723 work?

The fault memory log is the first thing that goes into the order. Then disconnect the battery and only then remove the control unit 00052157723. Create the repair order online before the unit is packed and sent.

Airbag24 tests the unit on the test bench, replaces defective components and carries out a function test. Processing usually takes 3–4 working days. After that, your own unit goes back to the sender. 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 00052157723 get to Airbag24?

You send the control unit 00052157723 either as a parcel or book a UPS collection for an extra charge. Airbag24 sends it back by UPS after the repair.

Enclose the printed repair order and pack the unit shock-resistant.