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Peugeot 306 I airbag control unit repair
9620732580 · Label
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Peugeot 306 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 306
- Series
- I (1993-1997)I Facelift (1997-2002)

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 306 I airbag control unit?
The Peugeot 306 I airbag control unit is the central safety unit that activates all occupant restraint systems in the event of an accident. It monitors sensors, stores crash data, and ensures the proper functioning of all airbag modules in the vehicle.
This electronic component is essential for passive safety in the first-generation Peugeot 306 I (approx. 1993-1997). It precisely coordinates the deployment of airbags and seatbelt pretensioners when needed.
Manufactured by leading suppliers such as Autoliv, the control unit operates on the vehicle's 12V electrical system. It continuously analyzes data from crash sensors throughout the vehicle.
Its main function is the lightning-fast activation of passive safety systems in the event of an accident. The device also stores important crash data for diagnostic purposes.
The control unit is typically mounted in the center console or in the footwell under the dashboard. This central location protects it and optimizes wiring to all safety components.
Why is the Peugeot 306 I airbag control unit defective?
A Peugeot 306 I airbag control unit often fails due to corrupted internal memory, a weak backup battery, or communication errors. This can prevent the airbags from activating and results in a persistent warning light, necessitating a prompt Peugeot 306 I airbag control unit repair.
Internal memory errors, often documented by codes like B1010 or B1020, are a common cause of airbag control unit failure. Such defects can affect system initialization or the storage of important information.
A weak or empty internal backup battery (e.g., in the B1050, B1070) can also cause a defect. This battery is crucial for storing crash data and system configurations, even in the event of a power failure.
Communication errors that manifest as code B1000 can indicate broken wires or poor ground connections. This leads to disruptions in the data exchange between the control unit and other vehicle modules.
After an accident, the airbag control unit irrevocably stores crash data. Unless this data is properly deleted or reset, the airbag warning light remains active and further deployment is blocked.
Common error codes for Peugeot 306 I airbag control unit repair
During Peugeot 306 I airbag control unit repairs, manufacturer-specific B-codes often occur, signaling internal problems or communication failures. These codes indicate faults within the control unit itself, such as memory defects or power supply issues, and require a precise diagnosis.
- B1000: Communication error → Indicates problems in data exchange with other vehicle modules, often due to wiring problems.
- B1010: Internal memory error → Indicates damage or corruption in the control unit's internal memory.
- B1020: Internal memory full or defective → Indicates an overload or a physical defect in the memory in the airbag ECU.
- B1030: Airbag control unit error - internal logic → Describes faults in the internal processing logic or algorithms of the control unit.
- B1040: Error saving crash data in control unit → Indicates problems saving important accident information after an event.
- B1050: Airbag control unit battery supply too low → Indicates insufficient voltage at the control unit, possibly due to a weak vehicle battery.
- B1060: Control unit detection of airbag module failed → Indicates that the control unit cannot correctly identify connected airbag modules.
- B1070: Airbag control unit backup voltage low or empty → Affects the internal buffer battery, which is important for data retention in the event of a power failure.
These specific B-codes are manufacturer-specific for Peugeot vehicles of the 306 I model series. They differ from generic OBD-II codes and require special diagnostic tools.
A permanently illuminated airbag warning light is a clear indication of one of these control unit errors. For precise error analysis, reading the error log with Peugeot diagnostic tools such as the PP2000 is essential.
Successful Peugeot 306 I airbag control unit repair often involves erasing crash data and correcting underlying system errors. Expert knowledge is crucial to ensuring safety.
What part numbers are available for the Peugeot 306 I airbag control unit repair?
For Peugeot 306 I airbag control unit repairs, several precisely validated OEM part numbers are available, ensuring compatibility with the first-generation model. These numbers come directly from Peugeot (PSA) or reputable suppliers and guarantee a perfect fit for your vehicle.
- 9621996780: Peugeot (PSA) | Original Airbag Control Unit | Confirmed for Peugeot 306 I (1993-1997).
- 9636995580: Peugeot (PSA) | Original airbag control unit | Also verified for Peugeot 306 I models.
- 9620732580: Peugeot (PSA) | Original airbag control unit | Also considered compatible with the Peugeot 306.
These triple-validated OEM part numbers are essential for precise parts sourcing or a successful Peugeot 306 I airbag control unit repair. They ensure compatibility with your vehicle.
It's important to use only these verified numbers for your airbag control unit. Other part numbers, such as 6547LW or 6556N9, are intended for other Peugeot models or generations and are not suitable.
These part numbers refer specifically to the central airbag control unit and not to separate sensors or belt pretensioner modules. When purchasing a replacement part, care should be taken to select a genuine part or an OEM equivalent.
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“
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“
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„Ok.“




