Airbag control unit with part number DA8Z-14B321-C

What does the airbag control unit DA8Z-14B321-C do?

The airbag control unit DA8Z-14B321-C is the centre of the restraint system (SRS) for Ford. It evaluates the crash sensors, selects the appropriate airbags and seatbelt pretensioners within milliseconds in an accident, and monitors itself as well as the system continuously.

The unit indicates faults via the airbag warning light in the instrument cluster, so that the driver notices them.

After an accident, it stores crash data and locks itself. During the repair, this data is erased.

Why does the control unit DA8Z-14B321-C fail?

A failure of the DA8Z-14B321-C is most often due to crash data recorded in an accident, even without a triggered airbag. Other causes are ageing electronics, cold solder joints, moisture and corrosion, and voltage spikes.

Crash data cannot be erased with a normal diagnostic tool, so it remains in the control unit. Airbag24 erases it during the repair.

Ageing electronics and cold solder joints can lead to contact problems. Moisture and corrosion at plug connections disrupt signal transmission, and voltage spikes occur, for example, with a weak battery or jump-starting.

How can you tell that the DA8Z-14B321-C is defective?

The airbag warning light in the instrument cluster shows a defect on the DA8Z-14B321-C by lighting up permanently or intermittently.

In addition, there is an error message in the instrument cluster, a missing connection between the diagnostic tool and the control unit, and a fault memory that cannot be cleared.

If these signs persist, the airbags and seatbelt pretensioners may not trigger in an emergency. Therefore, look into the cause promptly.

Which vehicles is the DA8Z-14B321-C fitted in?

The DA8Z-14B321-C is fitted in these vehicles: Ford Flex 1 (2009-2019).

The list below shows the vehicles for this number:

• Ford Flex 1 (2009-2019)

Comparing the part number on the label of the removed unit with this page only tells you whether it is the right unit. Whether the control unit is defective or a plug or cable is the cause is clarified only by reading out the fault memory, which you should have done beforehand.

For the same vehicles, we also repair control units with the part numbers 9A83-14B321-BA, 9A83-14B321-BB, AA83-14B321-AE, AA83-14B321-AF, BA83-14B321-AB, BA83-14B321-AC.

How does the repair of the DA8Z-14B321-C work?

First have the fault memory read out and attach the log. Then disconnect the battery; only then remove the DA8Z-14B321-C.

Next, create a repair order online and send the unit in well packed. Airbag24 checks it on the test bench, replaces defective components, erases the crash data and carries out a function test. Processing at Airbag24 usually takes 3–4 working days. Your own unit is returned afterwards.

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 DA8Z-14B321-C get to Airbag24?

The DA8Z-14B321-C can be sent in as a parcel. Alternatively, you can book a UPS collection for an extra charge. After the repair, Airbag24 returns it to you by UPS.

Put the printed repair order in the parcel. The unit is packed shockproof.