Description
Intelligent BSI 2004 P06-00 VALEO control unit for CITROËN and PEUGEOT vehicles
The BSI 2004 P06-00 comfort control unit by Valeo is a central body control module designed for Stellantis small cars. This BSI (Built-in Systems Interface) manages interior electronics such as central locking, interior lighting, wipers, power windows, alarm and immobiliser interfaces, and CAN bus communication between convenience systems. Commonly referenced under part numbers 9659285380, 1663372580 or code variants 6580X4 / 6580NG / 6580X5 / 6580NH, this unit is suitable for many Citroën C3 (I/II) and Peugeot 207 applications. The description below is aimed at professional technicians and experienced DIY mechanics who need clear compatibility info, replacement guidance and installation precautions.
Technical Information
- Manufacturer: Valeo
- Model: BSI 2004 P06-00
- Product Codes: 9659285380, 1663372580
- Other Numbers: 6580X4, 6580NG, 6580X5, 6580NH
Compatibility
Typical fitment includes Citroën C3 (first and second generation) and Peugeot 207 models where the listed part numbers are referenced. Always verify the part number shown on the original unit before replacement to ensure mechanical and connector match.
Installation And Coding – Important
- The Unit Is Used And Is “Paired” With The Original Vehicle (VIN/PIN/Keys).
- Options For Commissioning:
- Cloning Data From The Old Unit (EEPROM/Flash) – After Cloning The Unit Is Plug And Play.
- 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.
Installation Recommendations
Replacement should be performed by a skilled technician or an experienced DIYer with proper tools. General replacement steps:
- Disconnect the negative battery terminal and wait several minutes to ensure systems are powered down.
- Remove lower dashboard trim and secure panels to access the BSI mounting location (typically behind glovebox or under steering column depending on model).
- Unplug all wiring connectors carefully, noting retention clips and alignment keys.
- Unscrew the unit from its bracket and fit the replacement in the correct orientation.
- Reconnect connectors, resecure the unit, reconnect the battery and follow the commissioning procedure (cloning or initialization) described above.
Why This Part Fails Most Often
- Water Ingress Or Moisture Causing Corrosion On Connector Pins Or Circuit Board.
- Connector Oxidation And Poor Electrical Contact Leading To Intermittent Faults.
- Electrical Surges Or Short Circuits Causing Component Damage.
- Cold Solder Joints Or Cracked Traces Causing Intermittent Or Permanent Failures.
- Failures Related To Immobiliser Communication After Battery Disconnect Or Unit Replacement Without Proper Coding.
Practical Notes For Workshop Use
When searching for this BSI online or in catalogs, include the main part numbers (9659285380, 1663372580) and the BSI code 2004 P06-00 to improve search accuracy. For reliable commissioning choose cloning where possible to preserve original coding, otherwise plan for telecoding and key adaptation with PSA diagnostic tools. If you encounter CAN bus errors after replacement, recheck connector integrity and ground points before attempting recoding.
Additional Information
This BSI is a central comfort electronics unit; it does not include engine management functions. If symptoms include failed central locking, interior lights, or persistent immobiliser warnings, the BSI is a primary suspect but also inspect fuses, grounds and related wiring harnesses. Professional diagnostic equipment will speed up fault isolation and correct commissioning.








