Airbag control unit with part number AE83-14B321-CC

What does the airbag control unit AE83-14B321-CC do?

The airbag control unit AE83-14B321-CC controls the restraint system (SRS) in vehicles of Ford. It reads the signals from the crash sensors, determines in a crash within milliseconds which airbags and seatbelt pretensioners are triggered, and checks the entire system continuously.

The unit provides information about faults via the airbag warning light in the instrument cluster. The light is the sign that something is wrong in the restraint system.

After an accident the control unit records crash data and locks itself. The lock only ends with the repair.

Why does the control unit AE83-14B321-CC fail?

Stored crash data from an accident is the most common cause, even if no airbag has deployed. Ageing electronic components, cold solder joints, moisture and corrosion at plug connections, or voltage spikes, for example from a weak battery, can also cause the failure.

Crash data of this kind cannot be erased with a standard diagnostic tool. It remains stored in the control unit until Airbag24 removes it during the repair.

The other causes concern components and connections within the unit itself. Solder joints can go cold, plug connections corrode or take up moisture, and voltage spikes from the vehicle electrical system, for example when connecting a jump start, stress the electronics.

How can you tell that the AE83-14B321-CC is defective?

The airbag warning light in the instrument cluster lights up permanently or intermittently, an error message appears there, and the diagnostic tool receives no connection to the control unit. In addition, the fault memory cannot be cleared. In an emergency, airbags and seatbelt pretensioners may then not trigger.

These signs point to a problem in the control unit or its wiring. Whether the control unit itself is affected will only be shown by reading out the fault memory.

The warning light thus shows the defect, and you can recognise it early in this way.

Which vehicles is the AE83-14B321-CC fitted in?

The control unit AE83-14B321-CC is fitted in these vehicles: Ford Fiesta 7 ’09 (2008-2017).

The following overview shows the vehicles assigned to this part number.

• Ford Fiesta 7 ’09 (2008-2017)

Compare the part number on the label of the removed unit with this page. This only ensures that you have the correct unit. Before that, the fault memory should be read out, because 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 C1BT-14B321-CF, H1BT-14B321-AH, H1BT-14B321-AJ.

How does the repair of the AE83-14B321-CC work?

For the AE83-14B321-CC, first read out the fault memory and enclose the log. Then disconnect the battery, afterwards remove the control unit and send it in packed carefully, after creating the repair order online. Processing at Airbag24 takes 3–4 working days as a rule.

The order is binding for safety reasons. At Airbag24 the unit is checked on the test bench, defective components are replaced, the crash data is erased and a function test is carried out. Afterwards 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 AE83-14B321-CC get to Airbag24?

You send the control unit AE83-14B321-CC to Airbag24 as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 sends it back by UPS.

The printed repair order goes into the parcel, and the unit must be packed shock-proof.