Airbag control unit with part number 52035593

What does the airbag control unit 52035593 do?

The airbag control unit 52035593 is the central control unit of the restraint system (SRS) for Fiat. It monitors crash sensors and seatbelt pretensioners, decides in an accident on deployment and reports faults via the airbag warning light.

During operation the control unit continuously checks sensors, wiring and firing circuits. The manufacturer's number Bosch 0285013335 is also stamped on the housing.

After an accident the unit stores crash data and locks itself. Only the repair lifts the lock.

Why does the control unit 52035593 fail?

With the 52035593, the cause can be crash data stored after an accident, even if no airbag was triggered. A normal diagnostic tool cannot erase this data.

The other causes tend to be gradual: electronic components age, cold solder joints can develop, and moisture or corrosion at plug connectors leads to contact problems.

Voltage spikes, for example from a weak battery or from a jump start that loads sensitive components, also come into question.

How can you tell that the 52035593 is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently, and an error message appears. In addition the diagnostic tool cannot establish a connection to 52035593, or the fault memory remains.

This light is the first place where a defect is noticed. If you ignore it for longer, you risk airbags and seatbelt pretensioners possibly not deploying in an emergency.

A diagnostic tool that cannot establish a connection is also a clear warning sign. Have the system checked before you continue driving.

Which vehicles is the 52035593 fitted in?

The 52035593 is fitted in these vehicles: Fiat 500 312 (2007-2024). The part number belongs to a control unit for Fiat models.

The vehicles stored for this part number are listed below.

• Fiat 500 312 (2007-2024)

Before you remove the unit, have the fault memory read out. That shows whether the control unit is actually affected or whether a plug or cable is. Afterwards compare the part number with the label.

For the same vehicles, we also repair control units with the part numbers 51782985, 51870005, 51897810, 51918659, 51963734, 519637734.

How does the repair of the 52035593 work?

You read out the fault memory first and disconnect the battery. Then remove the control unit 52035593, create a repair order online and pack the unit for dispatch.

The fault memory log goes into the parcel. When removing the unit, take care to disconnect the plug carefully.

At Airbag24, inspection, repair and testing generally take 3–4 working days. You then receive your own unit back.

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 52035593 get to Airbag24?

Either you send the 52035593 as a parcel, or you book a UPS collection for an extra charge. UPS takes care of the return after the repair.

Put the printed repair order in the parcel. Pack the control unit shock-proof.