Airbag control unit with part number 8V51-14B321-BQ
Deleting crash data: please contact us briefly beforehand
For this control unit, deleting the crash data is often not possible. Please write to us briefly before you send it in – we will check your part number and tell you whether it is possible. Repairing a faulty control unit is not affected. Contact us →
Control unit repairs for part number 8V51-14B321-BQ in our shop:
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Part number “8V51-14B321-BQ” 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 8V51-14B321-BQ do?
The airbag control unit 8V51-14B321-BQ coordinates the restraint system (SRS) for Ford. In a crash it analyses the signals from the crash sensors and decides within milliseconds which airbags and seatbelt pretensioners are triggered.
The unit monitors the system continuously and reports faults via the airbag warning light in the instrument cluster.
After a crash it stores crash data and locks itself.
Why does the control unit 8V51-14B321-BQ fail?
Stored crash data after a crash most often leads to failure of the 8V51-14B321-BQ, even if no airbag has triggered. Other causes are aged electronic components, cold solder joints, moisture and corrosion at connectors, and voltage spikes. On this control unit, deleting the crash data is often not possible; if you want it deleted, contact Airbag24 briefly before sending the unit in.
A standard diagnostic tool cannot remove these entries. The other causes relate to electronics, connectors and the power supply.
How can you tell that the 8V51-14B321-BQ is defective?
If the airbag warning light in the instrument cluster lights up constantly or intermittently, this points to a defect in the 8V51-14B321-BQ. Also present may be a fault message, no connection to the diagnostic tool, and a fault memory that cannot be cleared.
In that case, the airbags and seatbelt pretensioners may fail to trigger in an emergency. A prompt check of the warning light is therefore advisable.
Which vehicles is the 8V51-14B321-BQ fitted in?
The control unit 8V51-14B321-BQ is installed in this vehicle from Ford: Ford Fiesta 7 ’09 (2008-2017). This assignment applies only to this control unit.
The list of affected vehicles:
- Ford Fiesta 7 ’09 (2008-2017)
Comparing the part number on the label of the removed unit with this page only confirms that it is the right unit. Whether there is a defect is shown only by the fault memory. Have it read beforehand, because a connector or cable can also be the cause.
For the same vehicles, we also repair control units with the part numbers AA6T-14B321-CA, AA6T-14B321-EA, AA6T-14B321-FA, AE83-14B321-AD, AE83-14B321-AE, AE83-14B321-AF.
How does the repair of the 8V51-14B321-BQ work?
First have the fault memory read out and attach the log. Then disconnect the battery; only after that remove the control unit 8V51-14B321-BQ. Then create a repair order online and pack the unit well for sending it in.
Airbag24 checks the control unit on the test bench, replaces defective components and carries out a functional test. Checking, repair and testing there usually take 3–4 working days. If the crash data is to be deleted, contact Airbag24 before sending the unit in. 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 8V51-14B321-BQ get to Airbag24?
You send the control unit 8V51-14B321-BQ in as a parcel or book a UPS collection for an extra charge. The return after the repair is made by UPS.
Put the printed repair order into the parcel and 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
„Ok.“
Zsolt Szabólast week„Works like a charm!“
Leoly4 weeks ago„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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Tokeh Tokeh6 days ago„A great shop, even when there are sometimes problems. There are quick responses and very good help. I can only recommend the shop. Thank you very much“
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Sven Wegenerlast week„Problem solved :-)“
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Fa D'Alast week„Everything went well“
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Mehdi Fattahilast week„Everything works great“
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Wolfgang Katenzlast week„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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Sophie Hoguetlast week„Uncomplicated, fast, correct.“
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Karl-Josef Backeslast week„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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Jean Philippe Amourouxlast week„Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!“
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Christian Maegerlein2 weeks ago„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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Gerd Goldammer2 weeks ago„Ok.“
Zsolt Szabólast week
