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Peugeot 307 I airbag control unit repair
Peugeot 307 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
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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
- Peugeot
- Model
- Peugeot 307
- Series
- I (2001-2005)I Facelift (2005-2009)

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 307 I airbag control unit?
The Peugeot 307 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 control unit networks all airbag sensors and coordinates airbag deployment in the event of an impact. It is specifically adapted to the vehicle sensors of the Peugeot 307 I.
The control unit is compatible with Peugeot 307 I models from 2002 to 2009, including hatchbacks, station wagons (Break/SW), and coupe convertibles (CC). It supports various engines, such as the popular 2.0 HDI and 1.6 HDI diesel engines.
Typically, the control unit is well-protected in the center console or below the dashboard. It is connected to all airbag components, such as the driver and passenger airbags and seat belt pretensioners, via special yellow connectors.
Why is the Peugeot 307 I airbag control unit defective?
A Peugeot 307 I airbag control unit often fails due to internal memory errors, software problems, or damage after an accident, causing the airbag warning light to remain permanently illuminated and the safety system to no longer function. A Peugeot 307 I airbag control unit repair is then urgently required.
Common causes of failure include communication errors on the vehicle bus that prevent a connection to other control units. Internal memory problems can also lead to crash data not being deleted or processed correctly.
Voltage interruptions or short circuits within the control unit can also lead to defects and impair functionality. Missing or corrupted chassis numbers in the control unit can also sometimes cause malfunctions.
After an accident, the control unit stores indelible crash data, marking it as "defective" and requiring replacement or professional reset. This is the only way to restore the vehicle's full safety.
Common error codes for Peugeot 307 I airbag control unit repair
During a Peugeot 307 I airbag control unit repair, specific error codes are often read out that indicate internal problems or communication errors within the control unit itself, such as memory errors, software defects or difficulties deleting crash data.
- B1000 → Control unit communication error → The airbag control unit (ECU) cannot communicate with other systems, often due to a bus error.
- B1234 → ECU internal memory error → The airbag control unit (ECU) has an error in its internal memory, which may result in data corruption.
- B1422 → Airbag control unit software error → The internal software of the airbag control unit (ECU) is faulty or corrupt, causing malfunctions.
- B1500 → Error deleting crash data memory → The airbag control unit (ECU) cannot delete the stored crash data after an accident.
- B1600 → Missing chassis number in the airbag control unit → The correct chassis number of the vehicle is not stored in the airbag control unit (ECU) or is defective.
- B1700 → Diagnostic interface error → Problems with communication between the airbag control unit (ECU) and the OBD-II interface.
- B1820 → Open circuit or short circuit in the control unit → The airbag control unit (ECU) has electrical problems such as an open circuit or short circuit.
What part numbers are available for the Peugeot 307 I airbag control unit repair?
For the Peugeot 307 I airbag control unit repair, several specific and verified OEM part numbers from the manufacturer Peugeot/PSA are relevant, as these modules are obtained directly from the vehicle manufacturer and no clear third-party alternatives exist.
These OEM part numbers are crucial for reliable compatibility and have been confirmed by comparison with several professional spare parts catalogs. They cover Peugeot 307 I models from 2001 to 2007.
The following original part numbers are recommended for the airbag control unit of the Peugeot 307 I:
- 9652712180 (Original OEM)
- 9652712380 (Original OEM)
- 9654491080 (Original OEM)
- 9654491180 (Original OEM)
- 9650109480 (Original OEM)
It's important to note that there are no publicly documented spare part numbers for these specific Peugeot 307 I airbag control units from suppliers such as Bosch, Continental, Siemens, or Autoliv. Therefore, the selection should always be based on the original OEM numbers.
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.“




