Airbag control unit with part number P68244991AB

What does the airbag control unit P68244991AB do?

The airbag control unit P68244991AB is the central control unit of the restraint system for Fiat. It assesses the sensor data, decides on the triggering of airbags and seatbelt pretensioners in a collision and monitors the system continuously.

If the unit detects a fault, the airbag warning light in the instrument cluster lights up. After an accident it stores crash data and locks itself.

The control also checks the connections to the components in the vehicle.

Why does the control unit P68244991AB fail?

Stored crash data is the most common cause of a defect on the P68244991AB, even if no airbag has deployed. Ageing components, cold solder joints, moisture and corrosion, and voltage spikes from a weak battery or jump start add to this.

Crash data arises in the unit during an accident and remains stored there. A normal diagnostic tool cannot remove it.

The other causes mainly act through the electronics and the plug connections. Moisture and corrosion at the contacts worsen the connection, solder joints can stay cold, and components age.

How can you tell that the P68244991AB is defective?

A defect in the P68244991AB shows itself through the airbag warning light, which stays on permanently or intermittently, through fault messages in the instrument cluster, through a diagnostic tool without a connection and through a fault memory that cannot be cleared.

In an emergency, airbags and seatbelt pretensioners may then fail to deploy. Have such signs checked promptly.

A single signal can already be enough for the check to make sense.

Which vehicles is the P68244991AB fitted in?

The control unit P68244991AB is fitted in these vehicles: Fiat 500 312 (2007-2024).

The following list shows the vehicles that are recorded in the Airbag24 database for this part number.

• Fiat 500 312 (2007-2024)

Comparing the part number on the label of the removed unit with this page only confirms that it is the correct unit. Have the fault memory read out beforehand, because 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 51782985, 51870005, 51897810, 51918659, 51963734, 519637734.

How does the repair of the P68244991AB work?

First have the fault memory read out and enclose the log. Then disconnect the battery, remove the P68244991AB and create the repair order online before sending the well-packed unit in. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 checks the control unit on the test bench, replaces defective components, erases the stored crash data and carries out a function test. The unit then goes back to you.

The time stated applies only to the checking, repairing and testing at Airbag24.

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 P68244991AB get to Airbag24?

You send the control unit P68244991AB to Airbag24 as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 sends it back to you by UPS.

Place the printed repair order in the parcel and pack the unit shockproof.