This BSI (Body Systems Interface) 2004 P06-00 by Valeo is a comfort and body control module designed for a range of Citroën and Peugeot models. The unit manages central locking, interior and exterior lighting logic, wipers, central gateway functions on CAN networks, immobiliser communication, convenience features (windows, mirrors, courtesy lighting) and numerous comfort-related inputs/outputs. It is commonly referenced by product code 9659285380 and related OE identifiers.

Application And Compatibility

Designed for certain Citroën and Peugeot models from the Stellantis group. Typical vehicle applications include:

• Citroën C3 (I)
• Citroën C3 II (second generation)
• Peugeot 207

Search keywords to find this part: BSI 2004, P06-00, Valeo BSI, 9659285380, 1663372580, 6580X4, 6580NG.

Technical Information

• Manufacturer: Valeo
• Model: BSI 2004 P06-00
• Product Codes: 9659285380, 1663372580, P06-00
• Additional Numbers: 6580X4, 6580X5, 6580NG, 6580NH

Function And Value For Mechanics

The BSI is the central comfort and body control module that consolidates many vehicle functions and acts as a gateway on the CAN bus. For workshops and DIY mechanics, replacing or reprogramming a faulty BSI restores multiple systems at once, which can save diagnostic time when symptoms affect several non-related systems (e.g. locks, lights and wipers acting up simultaneously).

How The Unit Is Replaced

• Safety first: Disconnect the negative battery terminal before any work.
• Access: The BSI is typically located behind lower dashboard trim or behind the glovebox—remove the appropriate trim panels to access the unit.
• Disconnect: Unclip and release the locking tabs on the multi-pin connectors; remove the securing screws or bolts holding the module.
• Swap: Install the replacement unit, secure fasteners and reconnect connectors ensuring correct seating.
• Commissioning: After mechanical replacement, the unit usually requires cloning or initialization/coding to match the vehicle (see Installation and Coding – Important below).

Recommendation For Installation

Installation should be performed by a competent technician. Use proper trim tools to avoid damage, observe antistatic precautions when handling the module, and always disconnect the battery before starting. After physical replacement, follow the required commissioning procedure (cloning or virginization and coding) to restore full functionality. Workshop diagnostic equipment that supports PSA protocols (DiagBox / Lexia / PP2000) is recommended for coding and initialization.

Most Common Failure Reasons

• Water ingress or moisture causing corrosion on connectors or PCB traces.
• Corroded or loose connector pins leading to intermittent faults.
• Voltage spikes or poor battery connections damaging electronics.
• Age-related component failures (solder joint cracks, failed capacitors, etc.).
• After battery replacement or theft-repair events the module may lose pairing and require cloning/coding.

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 The Manufacturer’s Procedure To Avoid Damaging The Unit.

Keywords: BSI 2004 P06-00, Valeo BSI, Citroën BSI, Peugeot BSI, 9659285380, central body control module, comfort module, DiagBox, Lexia, PP2000.

Over time, electronic control units like the BSI may fail due to wear and tear, electrical failures, or environmental factors. It is advisable to replace the BSI when experiencing issues related to vehicle control systems, ensuring smooth operation and optimal vehicle performance.

Technical Information:

• Manufacturer: Valeo Johnson Control
• Model: BSI 2004 P10-00
• Product Codes: 9664156780, 6580X4, 6580NG, 6580X5, 6580NH
• Additional Numbers: 6580NG, 6580NH, 6580X5

This BSI unit is essential for those looking to maintain or upgrade their Citroën or Peugeot vehicles, ensuring reliable control for various systems.