Airbag control unit with part number 68233536AA

What does the airbag control unit 68233536AA do?

The airbag control unit 68233536AA controls the restraint system (SRS) in Lancia vehicles. It reads the crash sensors, decides in a crash within a fraction of a second which airbags and seatbelt pretensioners fire, and monitors the entire system without interruption.

If the system detects a fault, the airbag warning light comes on. After a crash the control unit stores crash data and locks itself.

It is therefore one of the safety-relevant components of a vehicle and merits a check whenever there is any suspicion.

Why does the control unit 68233536AA fail?

Most often the cause lies in crash data stored after an accident, even if no airbag has fired. Added to this are aged electronic components, dry joints, moisture and corrosion on plug connectors, and voltage spikes such as those from a weak battery or jump-starting.

Crash data cannot be removed with a conventional diagnostic tool. During the repair Airbag24 erases them.

The remaining causes concern the electronics themselves or their power supply. Which of them applies only becomes clear through the examination.

How can you tell that the 68233536AA is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently, and an error message may appear as well. Without a connection to the diagnostic tool, and with a fault memory that cannot be cleared, airbags and seatbelt pretensioners may not trigger in an emergency.

The airbag warning light in the instrument cluster lights up permanently or intermittently as soon as the system detects a fault. An error message may appear in the instrument cluster alongside it.

If the diagnostic tool fails to connect to the control unit, or the fault memory cannot be cleared, this indicates a fault that must be checked.

Which vehicles is the 68233536AA fitted in?

The 68233536AA is fitted in these vehicles: Lancia Voyager 345 (2011-2015).

The vehicles for which this part number is on record are shown here:

• Lancia Voyager 345 (2011-2015)

Compare the part number on the label of the removed unit with this page. This only confirms that it is the correct unit. Have the fault memory read out beforehand: only the log shows whether the control unit is defective or a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 056054220AB, 56054220AB, 5WY89080, K56054220AB, P56054220AB.

How does the repair of the 68233536AA work?

First have the fault memory read out and enclose the log. Then disconnect the battery, and only then remove the 68233536AA. Next create a repair order online and send the unit in well packed.

Airbag24 examines the unit on the test bench, replaces defective components, erases the stored crash data and carries out a function test. Only then is your own unit returned to you.

Processing at Airbag24 usually takes 3–4 working days.

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 68233536AA get to Airbag24?

You send the 68233536AA as a parcel to Airbag24 or book a UPS collection for an extra charge. After the repair, UPS brings the unit from Airbag24 back to you.

Put the printed repair order into the parcel, and pack the unit shock-resistant.