When it comes to compatibility, this unit is designed for use in several models, including but not limited to those identified by the product codes 9660105680, 6580CY, 6580CZ, and 6580JS. As a sophisticated electronic part, the BSI may experience wear over time due to exposure to heat and moisture, making it prone to failure. Symptoms of a failing BSI can include irregular electrical activity, failure of comfort features, or issues with central locking.

Replacing the BSI is crucial for restoring the full functionality of your vehicle’s electronic systems. Depending on your driving conditions and usage, it’s recommended to inspect the BSI regularly or replace it if you notice signs of malfunction. Installation requires a proper setup; it typically involves disconnecting the battery, removing the old unit, and wiring the new one correctly, followed by a configuration process to ensure compatibility with your vehicle.

Technical Information

• Manufacturer: Johnson Controls
• Model: BSI 2004 H02-01
• Product Codes: 9660105680
• Additional Numbers: 6580CY, 6580CZ, 6580JS

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.

Technical Information

• Manufacturer: PSA
• Model: BSI 2004 H02-01
• Product Codes: 9660105680, 6580Y5, 6580Y6, 6580CW, 6580QE, 6580KH, 6580KJ, 1660728480
• Additional Numbers: NFP

Used BSI (Body System Interface) 2004 H02-01 manufactured by Johnson Controls, designed for various Citroën and Peugeot models. This BSI unit is commonly searched by part numbers such as 9661940180, 1660728780 or manufacturer references 6580CW / 6580GK / 6580PV / 6580PW, and is frequently fitted on early 2000s Peugeot 307 and related Stellantis platforms. Ideal for professional workshops and experienced DIY mechanics who need a direct replacement unit with matching hardware and boot versions.

Technical Information

• Manufacturer: Johnson Controls
• Model: BSI 2004 H02-01
• Product Codes: 9661940180; 1660728780; 6580CW; 6580GK; 6580PV; 6580PW; H02-01
• Other Numbers: BOOT 21676031-5B; HARD 28117431-0A
• Typical Fitment: Citroën and Peugeot vehicles (commonly Peugeot 307 and other early 2000s models on the same platform)

Function And Symptoms

The BSI (Body System Interface) is the central comfort and body electronics module, responsible for controlling and coordinating functions such as central locking, interior and exterior lighting, wiper delays, power windows, alarm and some immobilizer functions. Common symptoms of a failing BSI include intermittent or complete loss of central locking, non-functional interior switches, erratic lighting behavior, failure to wake CAN bus devices, dashboard warnings, or in some cases immobilizer-related no-start conditions.

Why The Part Fails

• Moisture Ingress And Corrosion: Water penetration or condensation can corrode connectors and PCB traces.
• Thermal Stress And Aging: Repeated heating and cooling cycles lead to failed solder joints or degraded components.
• Electrical Surges Or Short Circuits: Voltage spikes and poor ground connections may damage internal electronics.
• Mechanical Damage: Impact or improper removal/installation can harm the unit or its connectors.

Replacement And Installation

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

• Disconnect Battery: Always disconnect the negative battery terminal before any work on the BSI to avoid damage.
• Access Unit: Remove necessary trim panels and unscrew the BSI mounting bolts (usually located under the dashboard or behind glovebox depending on model).
• Unplug Connectors: Carefully release and unplug all multi-pin connectors, noting their positions.
• Fit New Unit: Install the replacement BSI, secure bolts, and reconnect all connectors firmly.
• Battery Reconnect And Programming: After mechanical installation, the unit typically requires cloning or coding to match the vehicle and keys (see coding section below).

Installation And Coding – Important

– The Unit Is Used And Is Paired With The Original Vehicle (VIN/PIN/Keys).
– Options To Commission The Unit:
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 Removal/Installation And Follow Manufacturer Procedures To Avoid Damaging The Unit.

Recommendations For Installation

• Use Correct Diagnostic Tools: For full functionality, use PSA-approved diagnostic and coding tools (DiagBox/Lexia/PP2000).
• Protect From Moisture: Ensure sealing and connector boots are intact to prevent future corrosion.
• Check Grounds And Fuses: Verify ground points and related fuses to prevent repeat failures.
• Professional Programming: If you are not equipped for cloning or coding, have a qualified workshop perform initialization and key adaptation.

Expected Lifetime And Practical Notes

BSI units on these platforms commonly last a decade or more, but lifespan depends on vehicle environment and care. Units exposed to damp conditions or frequent electrical faults tend to fail earlier. Searching by part number (for example 9661940180 or 1660728780) will help locate compatible replacements quickly.

Keywords: BSI 2004 H02-01, 9661940180, 1660728780, 6580CW, Johnson Controls, Peugeot 307, Citroën BSI.

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.