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.

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.

Product Overview

BSI (Built-in Systems Interface) control module manufactured by Johnson Controls, designed for Citroën and Peugeot vehicles. This unit centralizes many body and comfort functions — central locking, interior lights, wipers, indicators, power windows, interior electronics and communication with other control modules — and is commonly fitted on PSA Group vehicles around 2004 with the H02-01 hardware revision.

Key Features And Benefits

• Direct replacement for BSI H02-01 modules used on select Citroën and Peugeot models.
• Common OEM and aftermarket reference numbers included for quick search (9663510280, 6580JA, 6580QE, 6580JC).
• Ideal for workshops and experienced DIYers who service electrics and body systems.
• Restores proper functionality of central locking, interior lighting, wipers, and other comfort functions when the original BSI is faulty.

Technical Information

• Manufacturer: Johnson Controls
• Model: BSI H02-01 (2004)
• Product Codes: 9663510280, 6580JA, 6580QE, 6580JC
• Other Numbers: 9663798380, 1660728780, H02-01
• Fitment: Peugeot 307 and various Citroën/Peugeot models using the H02-01 BSI configuration

Typical Symptoms Indicating BSI Fault

• Intermittent or complete loss of central locking and remote functions.
• Non-functional interior lights, erratic indicators or wipers not responding to controls.
• Multiple unrelated electrical faults appearing together (lighting, windows, locks).
• Errors on dashboard relating to body modules or CAN bus communication faults.

Why These Units Fail

BSI modules commonly fail due to water ingress and corrosion of PCB traces or connectors, electrical surges from poor battery connections or jump-starts, and connector fatigue from repeated removal. Heat cycling over many years and contaminants in the vehicle interior can accelerate degradation. Mechanical damage during interior work or improper handling also contributes to failures.

Replacement And Installation

Replacing the BSI requires careful handling and some electrical knowledge. Typical replacement steps:

• Disconnect the vehicle battery and wait a few minutes to ensure capacitors discharge.
• Remove necessary interior trim panels to access the BSI (usually located behind the glovebox or under the dashboard, depending on model).
• Unplug all multi-pin connectors and release retaining clips; label connectors if needed to avoid mistakes.
• Unscrew and remove the old BSI, fit the replacement unit and secure it in position.
• Reconnect all connectors, reassemble trims, then proceed with commissioning and coding as required.

Installation And Coding – Important

• The Unit Is Used And Is “Paired” With The Original Vehicle (VIN/PIN/Keys).
• Possible Commissioning Options:
  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 Professional With PSA Service Equipment (DiagBox/Lexia/PP2000).
• Always Disconnect The Battery Before Removal/Installation And Follow Manufacturer Procedures To Avoid Damaging The Unit.

Mounting Recommendations

• Ensure all connector pins and housings are clean and corrosion-free before re-assembly.
• Use dielectric grease on external connectors if vehicle is prone to moisture ingress (avoid applying inside the module itself).
• Secure all wiring harnesses and retain clips to prevent movement and abrasion against metal edges.
• After installation, verify power supply and ground continuity to the BSI before coding.

Who Should Buy This

This BSI unit is intended for professional workshops and experienced DIY mechanics who are familiar with vehicle electrical systems and module coding. It is especially useful when the original module exhibits the symptoms listed above or when refurbishment of the existing unit is not an option.

Search And Compatibility Tips

Customers commonly search for this part by OE numbers: 9663510280, 9663798380, 6580JA, 6580QE, 6580JC or by the BSI H02-01 designation and Peugeot 307 fitment. Use these identifiers when locating the correct unit for your vehicle.

Why Choose This Unit

Providing a direct-fit BSI with known PSA references, this unit restores lost body and comfort functions and reduces workshop diagnostic time when compared to troubleshooting multiple related faults. Proper installation and correct commissioning will return full functionality to the vehicle’s body systems.