Airbag control unit with part number P56038952AL

What does the airbag control unit P56038952AL do?

At Fiat, all components of the restraint system (SRS) come together in the airbag control unit P56038952AL. It evaluates the crash sensors, determines in an accident the triggering of airbags and seatbelt pretensioners, and stores crash data after an accident. It then locks itself.

The process takes only a fraction of a second. At the same time, the unit monitors the system continuously, and it reports faults via the airbag warning light.

For the occupants, it is therefore an inconspicuous but important component.

Why does the control unit P56038952AL fail?

The most common cause at the P56038952AL is crash data stored after an accident, even when no airbag has deployed. Aged electronic components, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes also come into consideration.

Common diagnostic tools cannot remove this data; Airbag24 erases it during the repair.

The remaining causes concern the electronics themselves. Components lose reliability over time, solder joints can go cold, and moisture with corrosion affects plug connections. Voltage spikes, for example with a weak battery or when a jump start is connected, add further strain to the electronics.

How can you tell that the P56038952AL is defective?

The airbag warning light in the instrument cluster signals a fault in the P56038952AL when it stays on permanently or intermittently. Fault messages in the instrument cluster, a missing contact between the diagnostic tool and the control unit or a fault memory that cannot be cleared add to this picture. Airbags and seatbelt pretensioners may then possibly not deploy in an emergency.

A finding of this kind should be checked by a specialist and not left waiting.

Which vehicles is the P56038952AL fitted in?

The control unit P56038952AL is fitted in these vehicles: Fiat Freemont 345 (2011-2016).

This list shows which models belong to it:

• Fiat Freemont 345 (2011-2016)

Comparing the part number with the label on the removed unit only answers whether it is the right unit. Having the fault memory read out is the next step, because it 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 5WY89130-95128, 68139317AC, 68163811AA, A2C81542500, K68425694AC, P56038952AE.

How does the repair of the P56038952AL work?

First have the fault memory read out at the P56038952AL and attach the log. Then disconnect the battery and only afterwards remove the control unit. Next create the repair order online and send the unit in well packed. Processing at Airbag24 usually takes 3–4 working days.

At Airbag24 the unit is examined, defective components are repaired and crash data is removed. The process ends with a function test. Afterwards the unit goes back 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 P56038952AL get to Airbag24?

Either you send the P56038952AL to Airbag24 as a parcel, or you book a UPS collection for an extra charge. Airbag24 then sends the repaired unit back to you by UPS.

The printed repair order goes into the parcel. Pack the control unit shockproof, so it arrives protected during transport.