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Citroën C3 II airbag control unit repair
Citroën C3 II airbag control unit repair at Airbag24
Airbag24 repairs defective airbag control units professionally and affordably. Both private customers and workshops can order without registration and benefit from fast processing, 2 years' statutory liability for defects and plug&play installation.
Airbag24 works with state-of-the-art diagnostic technology and specialised repair processes. Because defective control units often involve only individual components, a professional overhaul can be considerably cheaper than buying new.
Our advantages: no registration required, a direct online ordering process for B2B and B2C customers, express shipping and comprehensive quality testing. The repaired control unit works like a new part.
Notes
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Repair type
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Your part number isn't listed? The list isn't complete – we can usually repair it anyway. Simply create a repair order, or ask us first.
Our estimated repair time for this product is about: 3–4 business days
Which repair matches your fault code?
Below your code you can see what needs to be done.
Your error code isn't listed? The list isn't complete – we can usually repair it anyway. Simply create a repair order, or ask us first.
Specifications
- Make
- Citroën
- Model
- Citroën C3
- Series
- II (2009-2013)II Facelift (2013-2017)

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.
Google reviews
4.8What is a Citroën C3 II airbag control unit?
The Citroën C3 II airbag control unit is your vehicle's central safety unit. It continuously monitors sensors, stores important crash data, and controls the activation of all airbags and seatbelt pretensioners in the event of a collision. Immediate Citroën C3 II airbag control unit repair is crucial in the event of a malfunction.
This electronic component is specifically designed for Citroën C3 II (SC series) models built from 2009 onwards. It is the brain that determines safety inside the vehicle.
It receives signals from impact sensors and, if necessary, instantly triggers the appropriate restraint systems. Without a functioning control unit, the airbag system is inactive.
Why is the Citroën C3 II airbag control unit defective?
A Citroën C3 II airbag control unit often fails due to internal memory errors, communication problems, or damage after an accident. The airbag warning light may then illuminate and the system may no longer function properly, necessitating immediate Citroën C3 II airbag control unit repair.
Internal system errors, such as faulty memory areas, can impair the functionality of the control unit. This often leads to a complete failure of the airbag system.
After an accident, the control unit is usually locked with crash data and must be reset. Otherwise, it cannot resume its primary safety function.
Communication problems in the CAN bus, such as cable breaks or short circuits, can also make the control unit appear defective. A precise diagnosis is essential in this case.
Common error codes for Citroën C3 II airbag control unit repair
When repairing the Citroën C3 II airbag control unit, specific error codes such as B0001, B1000, and U2601 are crucial for diagnosis. These codes directly indicate problems in the control unit or its directly connected components and require professional troubleshooting.
- B0001 → Airbag control unit internal error → Defective memory areas or software errors in the control unit.
- B1000 → Control unit communication error → Problems in the data transmission between the control unit and other vehicle components.
- U2601 → Driver side airbag firing circuit fault → Open circuit in the driver side airbag firing circuit, often caused by a defective slip ring.
What part numbers are available for the Citroën C3 II airbag control unit repair?
For the Citroën C3 II airbag control unit repair, four part numbers are listed for this repair product: 00006546T7, 618300400, 9656888580 and 9673657880. All four are manufacturer numbers and belong to airbag control units of this model. If in doubt, check the label before you complete the repair order.
The part number is printed on the label of the airbag control unit and can be stated in the repair order.
Based on 246 reviews
What our customers say
„Ok.“
„Works like a charm!“
„Everything went perfectly, I can only recommend it.“
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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 fi…“
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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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„Everything worked out great! Read out fault memory, sent it in, received offer and sent in the defective control unit. Got it back repaired after 3 days, price exactly as in the offer. It can't get any better 👍“
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„Uncomplicated service. Fast and thorough. Can only recommend.“
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„All great👍“
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„All great, fast delivery. Thanks.“
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„100% satisfied. Everything handled very professionally and transparently. Only the return shipping took too long. This was however due to UPS and less to Aairbag24. Thank you very much“
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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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„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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„Ok.“




