Airbag control unit with part number DA83-14B321-AD

What does the airbag control unit DA83-14B321-AD do?

The airbag control unit DA83-14B321-AD coordinates the SRS restraint system of Ford. In an accident it evaluates the crash sensors and determines within milliseconds which airbags and seatbelt pretensioners are triggered.

Even without an accident the unit monitors sensors, output stages and wiring and reports faults via the airbag warning light.

After an accident it stores crash data and locks itself.

Why does the control unit DA83-14B321-AD fail?

The most common cause is crash data that an accident has left in memory, even if no airbag was triggered. Other causes include aged components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes.

Such crash data cannot be erased with a usual diagnostic tool. Airbag24 removes it as part of the repair.

Aged electronic components and cold solder joints affect the unit itself. Moisture and corrosion tend to attack the plug connections. Voltage spikes arise, for example, with a weak battery or when a jump start is connected.

How can you tell that the DA83-14B321-AD is defective?

The airbag warning light in the instrument cluster is the most important sign and lights up permanently or intermittently. In addition there may be an error message, a diagnostic tool without connection to the control unit, or a fault memory that cannot be cleared. In such cases the airbags and seatbelt pretensioners may not trigger in an emergency.

The warning light is not a guess but a message from the control unit itself.

Without contact to the diagnostic tool, nothing can yet be said about the control unit; plug connections and cables are equally suspect.

Which vehicles is the DA83-14B321-AD fitted in?

The DA83-14B321-AD is fitted in these vehicles: Ford Flex 1 (2009-2019). The assignment is tied to the part number.

The overview here names the vehicles to which this part number is assigned.

• Ford Flex 1 (2009-2019)

Comparing the part number on the label of the removed unit with this page ensures that you have the right unit in front of you. Have the fault memory read out beforehand, because it shows whether the control unit is defective or whether plugs and cables are the cause.

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 DA83-14B321-AD work?

Have the fault memory read out, attach the log and then disconnect the battery before the control unit DA83-14B321-AD is removed. Then you submit a repair order online and send the unit off well packed. Airbag24 needs 3–4 working days in general for inspection, repair and function test.

With this order, safety is right: first the readout records the condition, and only the disconnected battery makes removal harmless.

At the test bench Airbag24 examines the unit. Defective components are repaired, crash data is erased, and then the function test follows. Your own unit goes back 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 DA83-14B321-AD get to Airbag24?

The unit is sent in as a parcel, or you book a UPS collection for an extra charge. Airbag24 handles the return after the repair by UPS.

Include the printed repair order and make sure the packaging is shock-proof.