Airbag control unit with part number 00052055641

What does the airbag control unit 00052055641 do?

The airbag control unit 00052055641 is the central control unit of the SRS for Fiat. It evaluates the signals from the crash sensors and, in an emergency, decides which airbags and seatbelt pretensioners are triggered.

The unit makes this decision within milliseconds and monitors the system continuously. A detected fault is stored in the memory and displayed via the airbag warning light.

Once it has registered an accident, it stores crash data and locks itself.

Why does the control unit 00052055641 fail?

The most common causes are crash data stored after an accident, even if no airbag has deployed, because a normal diagnostic tool cannot erase it. In addition, aged components, cold solder joints, moisture on plugs and voltage spikes may be the cause.

Crash data remains in the unit until it is specifically erased. The fact that it can be present even without a deployed airbag is easily overlooked.

Other possible causes:

• Aged electronic components
• Cold solder joints
• Moisture and corrosion at plug connections
• Voltage spikes, for example from a weak battery or a jump-start

How can you tell that the 00052055641 is defective?

The following signs may indicate a defective control unit 00052055641: the airbag warning light in the instrument cluster stays on permanently or intermittently, error messages appear in the instrument cluster, the diagnostic tool has no connection to the control unit, and the fault memory cannot be cleared.

These signs can occur individually or together:

• Airbag warning light in the instrument cluster stays on permanently or intermittently
• Error message in the instrument cluster
• Diagnostic tool receives no connection to the control unit
• Fault memory cannot be cleared

In such a case, airbags and seatbelt pretensioners may not fire in an emergency. The warning light shows the condition, so a check is important.

Which vehicles is the 00052055641 fitted in?

Control unit 00052055641 was fitted in these vehicles from Fiat: Fiat Tipo 356 (2016-2020). The information comes from the assignments known so far.

Overview of the known vehicles:

• Fiat Tipo 356 (2016-2020)

A comparison of the part number on the label of the removed unit with this page ensures that you have the right unit. Nothing more. Therefore, have the fault memory read out before sending the unit in, because only this result 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 00052055641 work?

First have the fault memory read out and enclose the log. Then disconnect the battery, remove control unit 00052055641 and create a repair order online. Next, send the well-packed unit in. Airbag24 then checks it on the test bench.

Processing at Airbag24 usually takes 3–4 working days. This period covers only the testing, repair and function testing by Airbag24.

Specifically, Airbag24 replaces defective components, erases the stored crash data and carries out a function test. After that, 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 00052055641 get to Airbag24?

You send control unit 00052055641 to Airbag24 as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 returns it by UPS.

The printed repair order goes into the parcel. Pack the control unit shock-proof.