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Citroën Berlingo II B9 airbag control unit repair
Citroën Berlingo II B9 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.
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Our estimated repair time for this product is about: 3–4 business days
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Specifications
- Make
- Citroën
- Model
- Citroën Berlingo
- Series
- II B9 (2008-2012)II 1st Facelift (2012-2015)II 2nd Facelift (2015-2018)

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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4.8What is a Citroën Berlingo II B9 airbag control unit?
The Citroën Berlingo II B9 airbag control unit is your vehicle's central safety unit, instantly activating all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of an accident. It continuously monitors the numerous sensors, stores important crash data, and ensures the correct functioning of the entire airbag system to provide maximum occupant safety.
This sophisticated electronic unit is essential for passive safety and evaluates input signals from acceleration and pressure sensors.
The Citroën Berlingo II B9 airbag control unit repair restores full functionality, which is often more cost-effective than a complete replacement.
Why is the Citroën Berlingo II B9 airbag control unit defective?
A Citroën Berlingo II B9 airbag control unit is often defective because crash data was permanently stored after an accident, preventing it from being restarted, or there is an internal hardware or software error. Voltage spikes or problems with the internal power reserve can also lead to a failure, causing the airbag warning light to remain activated.
Storing crash data is a protective measure, but prevents further use of the control unit without professional data deletion.
Internal electronic defects or firmware corruption require specialized diagnosis and repair by qualified personnel.
Common error codes for Citroën Berlingo II B9 airbag control unit repair
When repairing the Citroën Berlingo II B9 airbag control unit, specific error codes are often read out. These indicate internal defects within the module, not peripheral components. These codes indicate that the control unit itself is faulty and no longer functioning properly, making professional repair essential.
- B0100 : Internal ECU Error → Indicates a malfunction within the airbag ECU → Caused by data corruption or hardware damage.
- B0100-49 : Internal error: Hardware/software defect → Specific indication of internal hardware or software damage → Leads to system blockage.
- DTC0022 : Power reserve error (internal) → Problem with the internal power supply of the control unit → May cause communication errors.
What part numbers are available for Citroën Berlingo II B9 airbag control unit repair?
For the Citroën Berlingo II B9 airbag control unit repair, several part numbers are listed for this repair product, including 9665250280, 9665558380, 9674290780 and 98 039 168 80. These numbers belong to airbag control units of this model; the part number is printed on the label of the control unit and can be stated in the repair order.
One further listed number is 9674290880. All numbers listed here are manufacturer part numbers.
Compatible models and years of manufacture for the Citroën Berlingo II B9 airbag control unit
The Citroën Berlingo II B9 airbag control unit is primarily designed for the Citroën Berlingo II B9 (Type B9) built between 2008 and 2018 and is fully compatible. It also fits the identically constructed Peugeot Partner II, underscoring the broad applicability of this safety-relevant component and simplifying the selection of the right model.
Variants exist for the Berlingo II B9 Multispace as well as for different equipment lines, which can be identified by different OEM codes.
Precise part number matching is essential for correct function and safety.
Functionality and important features of the airbag control unit
The airbag control unit in your Citroën Berlingo II B9 detects accidents using precise sensor data and deploys the airbags and seatbelt pretensioners within milliseconds to protect occupants. It also continuously monitors the entire airbag system for errors, stores important crash data, and enables professional diagnostics via the CAN bus to ensure maximum safety.
The integrated energy reserve ensures that the airbags are deployed even if the vehicle electrical system fails.
Yellow, multi-pin connectors with gold-plated pins ensure safe and corrosion-resistant signal transmission to all airbag components.
Installation position and connections of the airbag control unit
The airbag control unit of the Citroën Berlingo II B9 is strategically located in the vehicle interior, usually under the center tunnel or center console, to protect it from external influences. It is connected to sensors, airbag modules, and the vehicle electrical system via special, yellow-labeled connectors, ensuring safe and reliable operation.
This central positioning enables optimal connection to all safety-relevant components of the vehicle.
The plug contacts are specially designed to prevent misfires during assembly work and to ensure the integrity of the system.
Advantages of Citroën Berlingo II B9 airbag control unit repair
Citroën Berlingo II B9 airbag control unit repair offers a cost-effective and environmentally friendly alternative to an expensive new purchase. Professionally erasing crash data and repairing defective components restores full functionality, allowing your vehicle to be safely and legally put back into operation without consuming unnecessary resources.
Specialized workshops can precisely diagnose and repair the control unit and then validate it on the test bench.
This not only saves money but also contributes to sustainability by preventing valuable electronics from being simply disposed of.
Based on 246 reviews
What our customers say
„Ok.“
„Works like a charm!“
„Everything went perfectly, I can only recommend it.“
Automatically translated · Original: German
„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“
Automatically translated · Original: German
„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“
Automatically translated · Original: German
„Ok.“





