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.

This BSI (Body Systems Interface) comfort control unit from Johnson Controls is a direct-fit replacement for a range of Stellantis Citroën and Peugeot models. It centralizes comfort and body functions such as interior lighting, central locking, wipers, window controls, alarm and certain convenience relays. The unit is commonly searched by part numbers (e.g. 9661940480, 1660728480) — include these when searching to improve match accuracy. Suitable for professional workshops and experienced DIYers who have access to the required diagnostic tools for coding and initialization.

Technical Information

• Manufacturer: Johnson Controls
• Model: BSI 2004 H05-01
• Product Codes: 9661940480, 1660728480, 1660728780, 1660729180
• Other Numbers: 6580KH, 6580KJ, 6580GK, 6580CW, 6580Y6, 6580Y5
• Boot / Bootloader: 21676031-5B
• Hardware Number: 28117435-2A
• Additional Info: NFP (as listed)

Compatibility

Fits the following models (typical applications): Citroën C4, Citroën C5 II, Peugeot 307, Peugeot 407. Always match the full part number and hardware/boot identifiers to the original unit before installation.

Function

The BSI centralizes multiple body and comfort functions: central locking, interior and courtesy lighting, wiper control signals, power window management, remote key functions, alarm interface and network gateways between vehicle buses. It also handles inputs from switches and sensors and controls relays for comfort features.

Common Failure Causes

• Moisture Ingress and Corrosion: Water or condensation entering the housing or connectors causes corrosion of PCB tracks and connector pins.
• Voltage Spikes/Battery Issues: Improper jump-starting, faulty alternator or sudden voltage surges can damage electronic components.
• Solder Joint Fatigue: Thermal cycling over years can cause cracked solder joints on the PCB, leading to intermittent faults.
• Connector Oxidation and Pin Damage: Poor contact at multi-pin connectors causes signal errors or power loss.

Replacement And Service Life

Service life varies with vehicle use and environment; units often fail after many years or high mileage, or following specific electrical incidents. When replacing, ensure the replacement unit matches part and hardware numbers. Expect that BSI replacement may require coding and initialization to fully restore all vehicle functions.

Installation Recommendations

• Disconnect the vehicle battery before starting any work to prevent short circuits and to protect the unit.
• Handle the unit with care—avoid static discharge and do not drop the module.
• Follow manufacturer removal procedures: typically access is via the central dash area or glovebox depending on model; remove trim panels and unscrew the BSI bracket, then carefully unplug all connectors.
• Inspect wiring harness and connectors for corrosion or damage; repair any issues before fitting the new unit.
• After mechanical installation, the unit will usually require coding/initialization to the vehicle to restore all functions.

Installation And Coding – Important

– The unit is used and is “paired” with the original vehicle (VIN/PIN/keys).

– Options for commissioning:

1. Cloning data from the old unit (EEPROM/Flash) – after cloning the unit is plug and play.
2. Virginization and subsequent initialization/telecoding via DiagBox (or online) + key adaptation.

– Recommended to be performed by a technician with PSA service equipment (DiagBox/Lexia/PP2000).

– Always disconnect the battery before removal/installation and follow the manufacturer’s procedure to avoid damaging the unit.

Why This Part Is Often Replaced

BSI units are central to many vehicle functions, so any intermittent faults or failures can produce loss of multiple systems (locking, lighting, windows, alarm). Because they sit in the passenger compartment and rely on many connectors and internal soldered components, they are susceptible to moisture, connector corrosion and thermal stress — making replacement a common repair when symptoms appear.

Notes For Buyers

When searching or ordering, use the full part numbers listed under Technical Information to find the correct match for your vehicle. Reprogramming or cloning is usually required to restore full functionality; plan for diagnostic/coding time when scheduling the repair.

Product Overview

This Body Systems Interface (BSI) unit is a genuine Johnson Controls type used in PSA vehicles and designated 2004 H05-01. It is a central comfort and body control module that manages functions such as central locking, interior and exterior lighting, windshield wipers, power windows, alarm and immobiliser interfaces, key recognition and many other vehicle comfort and safety systems. The unit is frequently searched by part numbers like 9660105980, H05-01 and the associated reference codes listed below, so including the exact code when ordering will speed up matching and compatibility checks.

Fitment And Application

Designed to fit the following models: Citroën C4, Citroën C5 II and Peugeot 307, Peugeot 407. It is compatible with vehicles that use the 2004 H05-01 BSI architecture and the listed product codes. When replacing the BSI, confirm the part code on the original unit to ensure correct fitment.

Function And Common Symptoms

The BSI acts as the vehicle s central control hub for comfort and body electronics. Typical symptoms of a faulty BSI include intermittent or complete loss of central locking, malfunctioning interior or exterior lights, inoperative wipers, problems with power windows, erratic dashboard indicators and immobiliser or key recognition faults. Failures may be intermittent and can affect several seemingly unrelated systems at once because the BSI coordinates multiple subsystems.

Replacement Procedure

General replacement steps for a BSI unit:

• Disconnect the negative battery terminal before any work to avoid electrical damage.
• Access the BSI unit, typically located behind trim panels under the dashboard on the passenger or driver side depending on vehicle variant. Remove the necessary trim and fasteners to reach the unit.
• Carefully unplug electrical connectors and release mounting screws/clips. Mark connector positions if needed to avoid mistakes during reassembly.
• Fit the replacement BSI in reverse order, ensuring connectors are fully seated and no pins are bent.
• After mechanical fitment, the unit must be properly initialized or coded to the vehicle using appropriate diagnostic equipment as described below.

Installation And Coding – Important

– The unit is used and is “paired” with the original vehicle (VIN/PIN/keys).

– Options for commissioning:

1. Cloning data from the old unit (EEPROM/Flash) – after cloning the unit is plug and play.
2. Virginization and subsequent initialization/telecoding via DiagBox (or online) plus key adaptation.

– Recommended to be performed by a specialist with PSA service equipment (DiagBox/Lexia/PP2000).

– Always disconnect the battery before removal/installation and follow manufacturer procedures to avoid damage to the unit.

Technical Information

• Manufacturer: Johnson Controls
• Model: BSI 2004 H05-01
• Product Codes: 9660105980, H05-01
• Other Numbers: 6580KH, 6580KJ, 1660728480, 6580CW, 6580QE, 6580Y5, 6580Y6, 1660729180, 1660727880, 6580AG, BOOT 21676031-5B, HARD 28113346-8A

Recommendations For Installation

• Use proper anti-static precautions and handle the unit by its housing; avoid touching pins and electronic components.
• Perform coding or cloning with DiagBox or equivalent PSA diagnostic tool to restore full functionality, including immobiliser and key recognition.
• Check ground connections and related fuses before replacing the BSI, as poor grounding or electrical faults can cause apparent BSI failures.
• Secure all connectors and ensure wiring harnesses are not pinched when refitting trim panels.

Why This Part Fails Most Often

Common causes of BSI failure include moisture ingress and corrosion, electrical surges or short circuits, damaged wiring or connectors, and solder joint fatigue on the unit s circuit board caused by thermal cycling and vibration. Faults in connected components, such as window motors or aftermarket accessories, can overload or short circuits and lead to BSI malfunction. Regular exposure to damp conditions and poor sealing under the dashboard accelerates degradation.

Additional Notes

If the vehicle exhibits multiple unrelated electrical faults, inspect connectors, fuses and wiring for damage or corrosion before replacing the BSI. Correct diagnosis and professional coding ensure the replacement unit operates reliably and restores full vehicle functions.

This BSI unit is essential for handling functions related to vehicle comfort and control, including lighting, wipers, and more. Regular use can lead to wear and tear, causing potential failures or malfunctions. It is recommended to replace the BSI unit whenever you encounter electronic issues or after a specific mileage, depending on the vehicle’s usage conditions.

Technical Information:

• Manufacturer: Johnson Controls
• Model: BSI 2004 H05-01
• Product Codes: 9658158780, 1660729180
• Other Numbers: 6580Y5, 6580Y6, NFP

Product Overview

High-quality used BSI (Built-In Systems Interface) module BSI 2004 H05-01 by Johnson Controls, commonly fitted to PSA-group vehicles. This comfort and body control unit centralizes functions such as central locking, interior lighting, wiper control, indicator logic, immobiliser interface and various convenience features. Supplied unit originates from a Peugeot 407 (2007) and is suitable for workshops and DIY mechanics who need a reliable replacement BSI identified by OEM codes 9663510580 / 6580EA / H05-01.

Why Choose This Unit

Choosing a correctly identified BSI 2004 H05-01 reduces diagnosis time and avoids intermittent faults caused by mismatched modules. The listing includes the most commonly searched product numbers (9663510580, 6580EA) to help technicians find the correct part quickly. Ideal for garages and experienced home mechanics familiar with PSA electronics and coding procedures.

Compatibility And Application

Intended For: Peugeot 407 (example vehicle: 2007). The module is compatible with Citroën/Peugeot models fitted with the BSI 2004 H05-01 hardware and corresponding product codes. Always confirm physical part numbers on the original unit before installation.

How The Unit Is Replaced

Replacement Steps (overview for experienced technicians):

• Disconnect the negative battery terminal and wait several minutes to ensure capacitors discharge.
• Remove lower dashboard trim panels to access the BSI (location varies by model; commonly on the passenger or driver side behind glovebox or under steering column).
• Unscrew mounting fasteners and carefully release the electrical connectors using proper terminal release tools to avoid damaging locking tabs.
• Swap the unit, secure mounting, reconnect all connectors and reassemble trim panels.
• Perform required coding/initialization (see Installation And Coding – Important section below).

Installation And Coding – Important

– The unit is used and is “paired” with the original vehicle (VIN/PIN/keys).
– Options for commissioning:
1) Cloning data from the old unit (EEPROM/Flash) – after cloning the unit is plug and play.
2) Virginization and subsequent initialization/telecoding via DiagBox (or online) + key adaptation.
– Recommended to be performed by a specialist with PSA service equipment (DiagBox/Lexia/PP2000).
– Before removal/installation always disconnect the battery and follow the manufacturer’s procedure to avoid damaging the unit.

Technical Information

• Manufacturer: Johnson Controls
• Model: BSI 2004 H05-01
• Product Codes: 9663510580, 6580EA, H05-01
• Other Numbers: 6580FV, 6580JL, 1660728180

Common Failure Modes

BSI units commonly fail due to water ingress and consequent corrosion of solder joints or connector pins, electrical surges from a failing alternator or jump-starting incidents, and thermal stress over many years of service. Symptoms include intermittent lighting faults, central locking failures, unexpected immobiliser warnings, blown fuses, or complete loss of certain convenience functions.

Expected Service Life

Service life depends on environmental conditions and vehicle maintenance. In typical use, BSIs on older PSA vehicles may begin to present issues after 10–15 years, particularly if exposed to moisture or repeated electrical disturbances.

Recommendations For Installation

• Ensure the replacement unit matches the part numbers listed on the original unit.
• Always perform cloning or proper initialization/coding with DiagBox or equivalent PSA diagnostic tools to restore full functionality.
• Check and clean connector pins and harness grommets to prevent future corrosion.
• Verify vehicle battery and charging system health before and after installation to avoid damage from voltage spikes.
• If unsure about coding or immobiliser procedures, have the final commissioning done by a workshop with PSA diagnostic equipment.

Note For Mechanics And DIYers

This listing highlights key OEM identifiers (9663510580, 6580EA) to assist with quick matching. The unit is suitable for technicians comfortable with PSA electronics and coding procedures. Proper cloning or telecoding is essential for full vehicle functionality after replacement.

This used BSI 2004 H05-01 unit from Johnson Controls is a direct-fit comfort and body control module for Citroën and Peugeot models that use this generation of BSI. Ideal for professional workshops and experienced DIY mechanics, the unit is commonly searched by part numbers 9663510580, 6580JA and related codes. Replacing a faulty BSI restores central locking, lighting logic, wiper control, interior convenience functions and the gateway between vehicle networks. The description below includes technical references and practical guidance to help you evaluate and install the unit correctly.

Key Features

• Original Johnson Controls BSI 2004 H05-01 hardware used in PSA platforms.
• OEM Product Codes: 9663510580, 6580JA (see full codes in Technical Information).
• Controls comfort functions: central locking, interior lights, wipers, windows, alarm and CAN communications.
• Direct replacement for vehicles fitted with the same BSI version; suitable for workshop installation and coding.

Fitment and Application

Intended for Citroën and Peugeot vehicles equipped with BSI 2004 H05-01. Donor vehicle: Peugeot 307 (2007). This unit is typically identified by the printed H05-01 marking and the OEM part numbers listed below. Search by part number for fastest compatibility match.

Technical Information

• Manufacturer: Johnson Controls
• Model: BSI 2004 H05-01 (Donor: Peugeot 307 2007)
• Product Codes: 9663510580, 6580JA
• Additional Numbers: 6580QE, 6580JC, 1660728780

Installation Recommendations

• Always disconnect the negative battery terminal before removing the BSI to avoid electrical damage.
• Work in a dry, static-free environment. Protect the unit and connectors from moisture and contamination.
• Inspect connectors and wiring for corrosion or damage and clean mating surfaces before reinstallation.
• After physical installation, the unit will usually require coding or data transfer to match the vehicle — see Installation and Coding – Important below.
• Test all comfort functions, locking and lights during final checks. Verify CAN bus communications via diagnostic equipment if available.

Installation and Coding – Important

– The Unit Is Used And Is “Paired” With The Original Vehicle (VIN/PIN/Keys).

– Options To Put Into Service:

1. Cloning Data From The Old Unit (EEPROM/Flash) – After Cloning The Unit Is Plug And Play.
2. Virginization And Subsequent Initialization/Telecoding Via DiagBox (Or Online) + Key Adaptation.

– Recommended To Be Performed By A Specialist With PSA Service Equipment (DiagBox/Lexia/PP2000).

– Always Disconnect The Battery Before Removing/Installing And Follow Manufacturer Procedures To Avoid Damaging The Unit.

How The Unit Is Replaced

1. Disconnect the negative battery terminal and wait a few minutes to ensure system power-down.
2. Access the BSI (commonly located behind the glovebox or under the dashboard depending on model). Remove trim panels as required.
3. Unplug all electrical connectors, noting their positions. Remove mounting fasteners and extract the unit.
4. Install the replacement unit in the reverse order. Ensure connectors engage fully and are free of corrosion.
5. Perform data cloning or coding as required. Check all vehicle functions and clear any diagnostic trouble codes.

Why The Part Fails Most Often

• Moisture Ingress And Corrosion: Water or condensation reaching the unit or connectors is a common cause of failures and intermittent faults.
• Voltage Spikes And Battery Issues: Jump-starts, faulty alternators or poor battery connections can damage internal electronics.
• Thermal Stress And Aging: Heat cycles over many years can cause cracked solder joints, degraded components or failed relays.
• Connector And Wiring Damage: Poor connections, frayed wires or contaminated pins lead to communication errors and malfunctions.

This BSI unit is a cost-effective replacement for vehicles that share the H05-01 hardware and part numbers listed above. For professional fitment, ensure cloning or coding is carried out with appropriate PSA diagnostic tools to restore full vehicle functionality.

Typically, the BSI unit may experience failure due to environmental factors, such as moisture ingress or electrical issues, leading to electrical malfunctions. It’s recommended to replace the BSI module if the vehicle exhibits erratic behavior or if communication faults arise within the onboard systems.

When it comes to replacement, ensuring that you have the correct parts identification number is crucial, as compatibility varies between models and production years. The product is sourced from a Citroën C5 produced in 2006 and adheres to high-quality manufacturing standards.

Technical Information:

• Manufacturer: Johnson Controls
• Model: ECU BSI 2004 H05-01
• Product Codes: 9656530580, 6580KH, 6580KJ, 1660728480
• Additional Numbers: BOOT 21676031-5A, HARD 21678931-5B

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.

This BSI unit is compatible with models such as Citroën C4 and Peugeot 307, among others. Its primary function is to manage the onboard electrical systems, including lighting, warning signals, and other comfort features. Typically, BSI units may need replacement due to wear and tear, particularly from electrical malfunctions or exposure to moisture, which can compromise their performance over time.

Replacing the BSI unit can be a straightforward process for seasoned mechanics, as it typically involves disconnecting the battery, removing the old unit, and installing the new one followed by reprogramming to ensure it communicates effectively with other vehicle systems.

Technical Information:

• Manufacturer: Johnson Controls
• Models: Citroën, Peugeot
• Product Codes: 9663510580
• Other Numbers: 6580KH, 6580KJ, 1660728480