Genuine used Johnson Controls BSI unit for Citroën and Peugeot cars. Variant BSI 2004 H05-01 (BSI04) – Central comfort/body control unit which controls the central locking, lights, wipers, comfort equipment and includes the immobilizer. Suitable as a replacement for a defective BSI with matching numbers. Origin from a Peugeot 307 car, r.v. 2007.

Key numbers (searched/compatible)
– PSA/OEM: 9664969380
– Service/Alternate: 6580QE, 1660728780, 6580KA
– Marking on the label: BSI 2004 H05-01 (BSI04), Johnson Controls
– BOOT: 21676031-5B
– HARD: 28121554-6A

Technical information
– Manufacturer: Johnson Controls
– Type: BSI 2004 H05-01 (BSI04)
– Designed for: selected Citroën/Peugeot models with BSI04 (e.g. Peugeot 307 etc. – always check by numbers)
– Power supply: 12 V
– Bus: CAN/VAN (PSA 2004 platform)
– Features: central locking, turn signals/lights, wipers, comfort features, immobilizer (pairing with ECU and keys)
– Connectors: more PSA pins (same layout as the original BSI with the same index)

Compatibility and Verification
– Select unit according to matching OEM/service numbers and BSI index (BSI 2004 H05-01) and vehicle equipment.
– Origin: Peugeot 307 (2007). It can also fit other Citroën/Peugeot, if the numbers and configuration match.
– Compare the labels of your old unit before purchasing: 9664969380 / 6580QE / 1660728780 / 6580KA, BOOT 21676031-5B, HARD 28121554-6A.

Assembly and coding – important
– BSI is bundled with immobilizer, ECU and keys. Pairing/coding (DiagBox/Lexia/PP2000) is required after assembly.
– Options: cloning content (EEPROM/flash) from the old BSI, or “virginization” and subsequent configuration into the car.
– Without proper pairing, the engine will not start, DO keys, etc. will not work. We recommend installation by an expert.
– Before installation, check the power supply, grounding and possible traces of moisture in the connectors (a common cause of BSI defects).

Typical symptoms of a faulty BSI (when to change the part)
– Random outages of electrical functions, malfunctioning central locking, lights/wipers live “their own lives”
– Non-communication with diagnostics, problem with immobilizer and starting

Condition and packaging
– Used original part, see product photo
– The BSI unit itself is included (without keys, locks and ECU)

Searching by number? Enter in the search: 9664969380, 6580QE, 1660728780, 6580KA, “BSI 2004 H05-01 Johnson Controls”, “ECU BSI Citroën Peugeot”. Verify that the numbers match and save assembly time.

Original BSI unit Johnson Controls BSI 2004 H05-01 (BSI04) for Citroën and Peugeot cars. Used part from a Peugeot 307 car, r.v. 2007. The ideal replacement for your faulty body/comfort control unit with matching numbers. It controls central locking, lights, wipers, comfort equipment and includes an immobilizer (paired with ECU and keys).

Key numbers (for search and match verification)
– OEM/PSA: 9664969380
– Service/Alternate: 6580QE, 1660728780, 6580KA
– Variant designation: BSI 2004 H05-01 (BSI04), Johnson Controls
– BOOT: 21676031-5B
– HARD: 28121554-6A

What the unit does
– Controls central locking and remote control
– Controls turn signals/lights, wipers and comfort elements
– Ensures communication via CAN/VAN buses (PSA platform)
– Includes immobilizer – pairing with ECU and key transponders

Technical information
– Manufacturer: Johnson Controls
– Type/Index: BSI 2004 H05-01 (BSI04)
– Power supply: 12 V
– Bus: CAN/VAN (PSA)
– Connectors: identical to the original BSI of the same index (multi-pin PSA)
– Part origin: Peugeot 307 (2007)

Compatibility – how to choose correctly
– Always compare the numbers on your old BSI: 9664969380 / 6580QE / 1660728780 / 6580KA, or BOOT 21676031-5B and HARD 28121554-6A.
– BSI 2004 H05-01 (BSI04) variant and car equipment must agree.
– It can also fit other Citroën/Peugeot models with the same BSI04 – matching codes and configuration is crucial.

Assembly and coding – important
– Unit is bundled with immobilizer, ECU and keys. Pairing/coding (DiagBox/Lexia/PP2000) is required after assembly.
– Options: cloning content (EEPROM/flash) from the old BSI or “virginization” and subsequent configuration into the car.
– Without correct pairing, the engine will not start and will not work TO the keys.
– Check power supply and chassis, clean/dry connectors before installation – oxidation and moisture are common causes of BSI failures.

When to change BSI (typical symptoms)
– Random outages of electrical functions, malfunctioning central locking
– Lights/wipers behave unexpectedly, automatic switching
– Problems with immobilizer and starting, non-communication with diagnostics

Condition and packaging
– Used original part, see photos
– Comes with BSI unit alone (without keys, locks and engine ECU)

Quick search tip
– Search and Compare by: 9664969380, 6580QE, 1660728780, 6580KA, “BSI 2004 H05-01”, “BSI04 Johnson Controls”, “ECU BSI Citroën Peugeot”.

Verify that the numbers on the label match and order – you’ll save time on assembly and coding. If you are unsure about compatibility, please compare the codes of your original unit or consult with diagnostics.

Are you searching for reliable and functional auto parts for your Citroën or Peugeot vehicles? Introducing the BSI H01-01 module from the Peugeot 307, which is also compatible with the Citroën C4. This control module is an essential element for the proper function and comfort of your vehicle, especially in the field of electronics and system integration.

The BSI unit (Body System Interface) is responsible for managing various electrical functions in the vehicle, including lighting, security, and interior configuration. The reliability and performance of this unit directly affect the comfort and safety of your driving. By acquiring this part, you ensure that all these systems operate synchronously and efficiently.

Technical Information:

• Manufacturer: Johnson Controls
• Model: Peugeot 307, compatible with Citroën C4
• Product Codes: 9661940080, 240806, 6580EE, 6580EF
• Additional Numbers: boot 21676031-5b, hard 28117430-7a

The installation of this BSI unit is relatively straightforward, but we recommend leaving the work to professionals if you are uncertain about your automotive electronics skills. The lifespan of the unit is very good; however, as with any electronic component, we suggest regular checks to prevent any future issues caused by normal wear and tear.

Whether you are a professional mechanic or just an enthusiast fixing your own car, this BSI module from Citroën and Peugeot vehicles is an ideal choice for restoring, upgrading, or replacing a damaged unit in your automobile. Remember that the proper functionality of the BSI unit is crucial for many other vehicle systems, so do not hesitate to invest in quality.

We offer for sale a used BSI control unit from Citroën and Peugeot vehicles, which is an essential part of your car’s electronic system. This key component ensures the proper functioning of many comfort and safety features in the vehicle. We are confident that this product will meet your expectations in terms of quality and affordability.

The unit was dismantled from a 2005 Peugeot 307 and is fully functional. Due to its central role in the vehicle system, the BSI unit is fundamental for the proper operation of many other systems such as lighting, locking, alarm, and more. Replacing a faulty unit with this high-quality used part can significantly enhance your vehicle’s performance.

Technical Information
Manufacturer: Citroën, Peugeot
Model: Citroën C4, Citroën C5 II, Peugeot 307 II, Peugeot 407
Product Codes: 9660105680, 6580AG, 1660727880 NFP
Other Numbers: BOOT 21676031-5B, HARD 28113342-6A

The part is compatible with the listed vehicle models and has been assessed to ensure its full functionality before sale. Always consult an expert or check the product codes to verify the suitability of a specific part for your vehicle. Replacing the BSI unit may require specialized knowledge, therefore, we recommend installation by an authorized service.

When replacing the BSI unit, do not forget the possibility of needing to program the unit to ensure full compatibility with other systems of your car. These specifics may depend on the specific model and year of manufacture of the vehicle. Our used parts offer a sustainable and cost-effective option for repairing your vehicle with a focus on quality and reliability. Investing in the correct replacement part can significantly contribute to the overall safety and comfort of your ride.

We appreciate your trust in selecting quality spare parts and guarantee that each piece is carefully chosen and verified by our team of experts. Thank you for visiting our e-shop, and we look forward to your order.

This BSI (Built-In Systems Interface) module is intended for Citroën and Peugeot cars and is often searched by its part numbers. As the central comfort and electrical control unit, it manages multiple vehicle functions — ideal for professional mechanics and experienced DIYers who look up parts by product code. Installing a correctly matched BSI restores reliable operation of central locking, interior lighting, wipers, window control, alarm/immobiliser interface and vehicle bus communication.

Typical symptoms indicating a faulty BSI include intermittent or complete loss of central locking, dashboard warning lights, malfunctioning interior lights, non-responsive power windows, erratic wiper or indicator behavior, and starter/immobiliser faults. Because the BSI is a gateway for many body functions, failures often present with multiple unrelated electrical issues.

Technical Information

• Manufacturer: Johnson Controls / Stellantis
• Model: BSI 2004 H04-01
• Product Codes: 9661940380, 6580KH, 6580KJ
• Other Numbers: 1660728480, 21676031-5B, 28117434-9A
• Vehicle Model(s): Citroën C5 (compatible with vehicles using the H04-01 BSI platform)

Installation Recommendations

• Disconnect the negative battery terminal and wait a few minutes before beginning work to avoid electrical damage and accidental short circuits.
• Locate the BSI — typically mounted behind the glovebox or under the dashboard, integrated close to the fuse/relay panel. Remove trim panels carefully to access the unit.
• Label and photograph all connectors before unplugging. Release locking tabs gently; do not force connectors to prevent contact damage.
• Protect the BSI from static discharge and moisture during handling. Do not fit the unit in a wet environment; ensure seals and surrounding areas are dry and corrosion-free.
• After mechanical installation, the replacement BSI may require coding or programming to the vehicle. Use the appropriate PSA diagnostic tool (e.g., DiagBox/PP2000) or a qualified programming service to sync immobiliser data and vehicle configuration.
• Check fuses and wiring for shorts or intermittent faults before replacing the BSI — a persistent electrical fault can damage the new unit.

Why The Part Most Frequently Fails

• Water Ingress And Corrosion: Moisture penetration into the cabin or footwell can corrode connectors and PCB tracks, causing intermittent or permanent failures.
• Electrical Surges And Faulty Wiring: Voltage spikes, poor grounds or short circuits can damage internal components and solder joints.
• Aging Components: Over time capacitors, solder joints and electronic components can degrade, especially in older vehicles with high mileage.
• Environmental Factors: Heat cycling, vibration and dirt accelerate deterioration of the unit and its connectors.
• Symptoms Often Appear After Other Faults: Repeated operation under fault conditions (e.g., persistent motor or actuator overloads) can lead to premature BSI failure.

Search by the listed product codes when looking for the correct replacement. For a successful repair plan, inspect wiring, fuses and connector condition first, then install and program the replacement BSI following the recommendations above.

The Body Systems Interface (BSI) acts as the central hub coordinating various electrical subsystems, including central locking, window controls, headlights, and alarms. Its core responsibility is to facilitate seamless communication between these systems, ensuring synchronized and efficient operation throughout the vehicle.

Technical Information:

• Manufacturer: Johnson Controls
• Model: Peugeot 407
• Product Codes: 9663510580, 6580JN, 6580JL, 1660728180
• Additional Numbers: BOOT 21676031-5B, HARD 28119739-2A

Replacing the BSI module typically requires professional expertise due to the need for correct programming and adaptation to your vehicle’s specifications. Proper installation guarantees optimal functionality and prevents electronic system failures.

This used unit is offered in excellent condition, ensuring durability and reliability for your vehicle’s electronic systems. Restore your Citroën or Peugeot to its full potential with this essential replacement part, a dependable solution trusted by both DIY enthusiasts and professional mechanics alike.