
Airbag control unit with part number C1BT-14B321-FD
Control unit repairs for part number C1BT-14B321-FD in our shop:

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Part number “C1BT-14B321-FD” 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 C1BT-14B321-FD do?
The airbag control unit C1BT-14B321-FD belongs to the restraint system (SRS) of Ford and is its switching centre. It evaluates the signals from the crash sensors, determines in a crash the triggering of airbags and seatbelt pretensioners, and monitors the system continuously. After an accident it stores crash data and locks itself.
The sensors send their data to the unit, which decides on triggering within fractions of a second in an emergency. Faults in the system are shown via the airbag warning light.
Why does the control unit C1BT-14B321-FD fail?
The most common cause with the C1BT-14B321-FD is crash data stored after an accident, even if no airbag has been triggered; these cannot be erased with a normal diagnostic tool. Added to this are ageing electronics, cold solder joints, moisture and corrosion on plug connections, and voltage spikes, for example from a weak battery or a jump start.
Crash data remain in the control unit, and reading out the fault memory changes nothing about this.
The other causes arise in the electronics or at their connections. Ageing components lose reliability, damp and corrosion affect the connectors, and voltage spikes hit the circuitry when the vehicle's power supply briefly dips or surges.
How can you tell that the C1BT-14B321-FD is defective?
You recognise a defect on the C1BT-14B321-FD by the airbag warning light in the instrument cluster if it is on constantly or intermittently. A fault message in the instrument cluster, a diagnostic tool without connection to the control unit, and a fault memory that cannot be cleared may also occur.
In this state, airbags and seatbelt pretensioners may fail to trigger in an emergency. The warning light is not a minor matter but a sign of a fault in the entire restraint system.
Which vehicles is the C1BT-14B321-FD fitted in?
The airbag control unit C1BT-14B321-FD is fitted in these vehicles: Ford Fiesta 7 ’09 (2008-2017).
The list shows the vehicles individually:
- Ford Fiesta 7 ’09 (2008-2017)
Compare the part number on the label of the removed unit with this page. This only confirms that you have the right unit. Have the fault memory read out beforehand, because only it 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 C1BT-14B321-FD work?
You have the fault memory read out first and enclose the log. Then disconnect the battery, and only then remove the control unit. Create the repair order online and send the unit off well packed. At Airbag24 itself, checking, repairing and testing usually take 3–4 working days.
On the test bench, Airbag24 examines the unit, repairs defective components, removes the crash data and carries out a function test. Afterwards your own unit comes back 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 C1BT-14B321-FD get to Airbag24?
You send the control unit C1BT-14B321-FD yourself as a parcel, or book a UPS collection for an extra charge. The repaired unit is returned 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
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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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„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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