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Peugeot 406 I airbag control unit repair
Peugeot 406 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.
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Our estimated repair time for this product is about: 3–4 business days
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Specifications
- Make
- Peugeot
- Model
- Peugeot 406
- Series
- I (1995-2003)I Facelift (1999-2005)

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 Peugeot 406 I airbag control unit?
The Peugeot 406 I airbag control unit is the central safety unit in the vehicle, which activates all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of an accident. It continuously monitors sensors, stores crash data, and ensures the precise deployment of the airbag modules. Its proper functioning is crucial for the safety of the vehicle's occupants.
This module forms the heart of the passive safety system in your Peugeot 406 (Series 1). It is responsible for the quick and correct response to impact situations.
It processes signals from acceleration and impact sensors throughout the vehicle.
Why is the Peugeot 406 I airbag control unit defective?
A Peugeot 406 I airbag control unit becomes defective when internal communication problems (B1000) or software errors (FC.1) occur. Crash data can also block function after an accident. This often causes the airbag warning light to illuminate, signaling the need for professional Peugeot 406 I airbag control unit repair.
Typical defects are due to internal electronic or software problems that prevent proper functioning. This can be caused by aging, voltage spikes, or even moisture ingress.
A failure can result in the safety system not functioning properly in an emergency or the airbags not deploying. Prompt diagnosis and repair are of utmost importance.
Common error codes for Peugeot 406 I airbag control unit repair
Specific error codes directly indicate problems in the Peugeot 406 I airbag control unit and require a specific Peugeot 406 I airbag control unit repair. The main codes that signal control unit-specific defects are B1000 for communication errors and FC.1 for software problems that impair system functionality.
- B1000 → Control Unit Communication Error → Error in communication between the airbag ECU and other vehicle systems or diagnostic devices.
- FC.1 → Software error in the control unit → The control unit detects faulty or inconsistent internal software.
These codes can be read using the Peugeot PP2000 diagnostic tool. They provide clear indications of the nature of the control unit problem.
What part numbers are available for the Peugeot 406 I airbag control unit repair?
For Peugeot 406 I airbag control unit repairs, the original OEM part numbers 9638592580 and 9630550780 are 100% verified. These ensure exact compatibility with the first series of the Peugeot 406. The correct part number is crucial to restoring full safety functionality.
The part number 9638592580 is verified several times as an original Peugeot airbag control unit for the Peugeot 406 (approx. 1995-2004).
Likewise, part number 9630550780 is a confirmed OEM airbag control unit number for the Peugeot 406 Berlina (S1/S2).
Other manufacturer-specific numbers from suppliers such as Bosch or Continental are not directly publicly available as OEM references for this model.
Technical specifications and functions of the Peugeot 406 I airbag control unit
The Peugeot 406 I airbag control unit is the control center that evaluates sensor signals and precisely deploys the airbags in the event of an accident. It stores crash data, is diagnostically capable, and is designed for the first Peugeot 406 series (approximately 1995-2004). High quality and flawless operation are crucial for safety.
It is suitable for use in various engines, such as the RHZ diesel engine.
The control unit's software allows the storage of crash data and comprehensive fault diagnosis.
After an accident, the stored crash data can be read out and deleted so the device can be used again.
Installation position and special features of the Peugeot 406 I airbag control unit repair
The Peugeot 406 I airbag control unit is typically located under the center console, often in the footwell. Special access points are required for repairing the Peugeot 406 I airbag control unit. It has multi-pin connectors; the repaired original control unit comes back with all vehicle-specific data and is immediately ready for use after installation – without additional coding or programming steps.
Access to the control unit usually requires dismantling trim parts or the center console.
The connectors are usually multi-pin connectors, often with yellow markings, which ensure a secure electrical connection.
Due to the safety-relevant function, repairs and installation should only be carried out by trained specialists.
Repair services often offer the option of erasing crash data to make the defective control unit operational again.
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.“




