
Airbag control unit with part number D2BT-14B321-BF
Control unit repairs for part number D2BT-14B321-BF in our shop:

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Part number “D2BT-14B321-BF” isn't linked to every vehicle in our database – we can usually repair it anyway. Select your vehicle and we'll show you the matching repair:
What does the airbag control unit D2BT-14B321-BF do?
The airbag control unit D2BT-14B321-BF is the central control unit of the restraint system (SRS) for Ford. It evaluates the crash sensors, decides on deployment in a crash and monitors the system continuously.
It indicates faults via the airbag warning light in the instrument cluster, so that they are noticed.
After a crash, the unit stores crash data and locks itself.
Why does the control unit D2BT-14B321-BF fail?
Stored crash data is the most common cause of failure in the D2BT-14B321-BF. It is recorded after a crash even if no airbag has been deployed, and an ordinary diagnostic tool cannot erase it.
This cause comes first because it is the most common. That the data persists surprises many owners, as the vehicle may not have shown anything conspicuous.
Aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes, for example from a weak battery or a jump start, are also possible causes.
How can you tell that the D2BT-14B321-BF is defective?
A defect in the D2BT-14B321-BF can show up through the airbag warning light in the instrument cluster. Fault messages or disrupted data exchange with the diagnostic tool also point to it.
Typical signs are:
- The airbag warning light is on constantly.
- The warning light only comes on intermittently.
- A fault message appears in the instrument cluster.
- The diagnostic tool finds no connection to the control unit.
- The fault memory cannot be erased.
If you notice any of these signs, the fault should be checked promptly. In an emergency, airbags and seatbelt pretensioners may possibly fail to deploy.
Which vehicles is the D2BT-14B321-BF fitted in?
Compare your vehicle with the overview. The airbag control unit D2BT-14B321-BF is fitted in these vehicles: Ford Fiesta 7 ’09 (2008-2017).
The vehicles in detail:
- Ford Fiesta 7 ’09 (2008-2017)
Read out the fault memory before removal, so that it is clear whether the control unit itself is defective. Only then is it worth comparing the part number on the label of the removed unit with this page.
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 D2BT-14B321-BF work?
First have the fault memory read out and enclose the log. Then disconnect the battery, remove the D2BT-14B321-BF, create a repair order online and send the unit in well packed. Processing at Airbag24 takes 3–4 working days as a rule for testing, repairing and checking.
Airbag24 examines the control unit on the test bench, replaces defective components, erases the stored crash data and carries out a function test.
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 D2BT-14B321-BF get to Airbag24?
You send the control unit D2BT-14B321-BF as a parcel or additionally book a UPS collection. The return after repair is by UPS.
Print out the repair order and enclose it. Pack the unit shockproof.
Shipping & repair from Germany
Airbag24 repairs your component in Berlin — usually within 3–4 working days.
Standard shipping within Germany is free; we normally return your part by UPS.
You pay for and insure the inbound shipment to us. On explicit request we ship by express — the extra cost is borne by the customer.
If you withdraw from the contract, you bear the cost of returning the item.
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What our customers say
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„VAG airbag control unit with error B2000 00 reliably repaired. Price very high in comparison, but everything worked out. No exact protocol of what was carried out, probably just newly flashed“
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„Ultra satisfied with this company. My computer was repaired quickly and works perfectly again! Communication is exemplary (emails, SMS...). Very serious company, thank you!“
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„Uncomplicated, fast, correct.“
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„Airbag control unit sent: the handling of it was immediate and very serious. The returned control unit was fitted without any problem and works perfectly. Very satisfied!“
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„Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!“
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„From the first phone call, the order processing, to the shipping, everything was done very quickly and professionally. Now I still have to send the repaired unit to the Swedish workshop and then hopefully the Honda can f…“
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„Ok.“



