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Citroën C4 Picasso I Airbag control unit repair
Citroën C4 Picasso I 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
Which repair matches your fault code?excluding VAT and shipping
Not sure? Just send us an enquiry or give us a call — we're happy to advise you.
4.8Google reviews of our shop(246)
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Repair time
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 C4 Picasso
- Series
- I (2006-2010)I Facelift (2010-2013)
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
4.8Based on 246 reviewsView all reviews →
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 finally pass the HU there again (failed because of the red light for the airbag). Today the message came from SWE, the car is running again, the red light is off and the HU was also passed. Once again many thanks for the help in need. Keep it up and maybe word will also spread in SWE that Airbag 24 does great work. Regards Gerd
Automatically translated · Original: German
Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!
Automatically translated · Original: German
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 👍
Automatically translated · Original: German
What is a Citroën C4 Picasso I airbag control unit?
The Citroën C4 Picasso I airbag control unit is the central safety unit that instantly activates all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of an accident. It continuously monitors all connected sensors, stores relevant crash data, and thus ensures the proper functioning of the entire airbag system for maximum occupant safety.
This electronic control unit (ECU) processes signals from crash and acceleration sensors in the vehicle. It decides within milliseconds whether and how the airbag should be deployed.
Additionally, the control unit manages data from seat occupancy sensors and other safety-relevant inputs. This optimizes the activation of the restraint systems based on the occupant's position.
After activation, the device stores specific crash data in its internal memory. This data can be read for later diagnosis and professional Citroën C4 Picasso I airbag control unit repair.
Connectivity is achieved via special connectors, usually marked yellow. These ensure secure data transmission between the control unit, airbags, and sensors.
Why is the Citroën C4 Picasso I airbag control unit defective?
A Citroën C4 Picasso I airbag control unit often becomes defective because it is damaged by moisture or short circuits, its internal software is corrupted, or it permanently stores crash data after an accident, which prevents it from being reset for further use.
Common causes of failure include water damage, which can lead to corrosion and internal short circuits. Extreme voltage fluctuations in the vehicle electrical system can also affect the sensitive electronics.
An airbag control unit is also faulty if it has internal memory errors or is disrupting communication with other vehicle systems. This is often indicated by an illuminated airbag warning light.
After an accident, the control unit stores indelible crash data and must be repaired or replaced before it can be used again. A professional Citroën C4 Picasso I airbag control unit repair can erase this data and restore functionality.
A defective control unit prevents the airbag system from functioning properly in an emergency. It is crucial to have such faults repaired promptly by a specialized workshop.
Common error codes for Citroën C4 Picasso I airbag control unit repair
When repairing the Citroën C4 Picasso I airbag control unit, specific error codes are crucial because they indicate problems in the control unit itself or its immediate peripherals, which can affect the functionality of the entire airbag system.
- B0001 → Means too high resistance on the driver airbag wiring circuit → The cause is often a problem in the wiring to the driver airbag, monitored by the ECU.
- B1000 → Signals a communication error of the control unit → The cause is a defect in the internal logic or the CAN bus connection of the airbag ECU.
- B1620 → Indicates a memory error in the airbag control unit → The cause is internal damage to the control unit memory, which requires repair or replacement.
- E607 → Indicates a fault in the front left airbag ignition module (too high resistance/open circuit) → The cause is an electrical problem in the ignition module or the wiring, which is detected by the control unit.
What part numbers are available for the Citroën C4 Picasso I airbag control unit repair?
For a successful Citroën C4 Picasso I airbag control unit repair, the exact OEM part numbers are essential to ensure compatibility with your vehicle model and year of manufacture and to ensure the full functionality of the safety system.
The OEM part number 9664217980 is a genuine part number from Citroën (PSA) and has been confirmed several times as being suitable for the C4 Picasso I.
Autoliv, a leading supplier, offers part number 606474700 as a compatible alternative for the airbag control unit.
Another Autoliv original part number is 9665396680, which is also used for the airbag control unit of the Citroën C4 Picasso I.
The Citroën OEM part number 6546A8 is assigned to the airbag control unit of the C4 Grand Picasso and is relevant for this series.
In addition, the PSA/Citroën OEM number 9673580380 is relevant for airbag control units in C4 models, even though it is primarily mentioned for the 1.4 16V engine.
4.8
Based on 246 reviews
What our customers say
„Ok.“
Zsolt Szabólast week„Works like a charm!“
Leoly4 weeks ago„Everything went perfectly, I can only recommend it.“
Automatically translated · Original: German
ka irgendwas2 days 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 fi…“
Automatically translated · Original: German
Gerd Goldammer2 days ago„Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!“
Automatically translated · Original: German
Christian Maegerlein4 days ago„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 👍“
Automatically translated · Original: German
Toni Buien5 days ago„Uncomplicated service. Fast and thorough. Can only recommend.“
Automatically translated · Original: German
Abdul KS5 days ago„All great👍“
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Edin Avdic6 days ago„All great, fast delivery. Thanks.“
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Andrej Ivanovlast week„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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Dennis Welast week„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 Tokehlast week„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
Sven Wegenerlast week„Ok.“
Zsolt Szabólast week
