Description
LEAR BSI V03-00 Control Unit For Citroën C8 And Peugeot 807 First Series
Description
High-quality Lear BSI V03-00 body control (comfort) unit designed for early Citroën C8 and Peugeot 807 models. This control module manages central convenience functions such as central locking, interior and exterior lighting, wipers, electric mirrors, alarm and many comfort-related circuits. Ideal for professional workshops and experienced DIY mechanics searching by product code or part number.
Key Benefits
- Direct fit for first-series Citroën C8 and Peugeot 807 vehicles
- Restores full convenience functionality when correctly programmed and coded
- Compatible with common PSA diagnostic and coding workflows (DiagBox/Lexia/PP2000)
- Often sought by technicians using product codes (listed below) for fast identification
Technical Information
- Manufacturer: Lear
- Model: BSI V03-00
- Product Codes: 1400010480
- Additional Numbers: 6580S4, 6580S5, NFP
- Compatible Models: Citroën C8 (First Series), Peugeot 807 (First Series)
Typical Faults And Symptoms
Failures of the BSI commonly present as intermittent or permanent loss of central locking, non-functional interior lighting, erratic wiper operation, warning lights on the instrument cluster, or immobilizer/start issues. Root causes often include corrosion from moisture ingress, damaged connectors, electrical surges, poor ground connections or internal electronic faults (ageing components or software corruption).
Replacement And Fitment Notes
Location: The BSI is typically located behind the glovebox or under the passenger-side dashboard. Access usually requires removal of the glovebox or lower dash trim to reach the unit and its multi-pin connectors.
Step-by-Step (General Guidance):
- Ensure vehicle is parked, ignition off and key removed.
- Always disconnect the vehicle battery before starting removal.
- Remove glovebox or trim panels to access the BSI housing.
- Unplug all connectors carefully and remove mounting screws.
- Fit the replacement unit, secure with screws and reconnect all connectors.
- Complete required coding/initialization (see coding section below) before returning the vehicle to service.
Installation Recommendations
For reliable commissioning, use appropriate PSA diagnostic tools and follow PSA service procedures. Inspect wiring harness and connector pins for corrosion or damage during installation. Replace any brittle wiring or corroded terminals to prevent immediate re-failure. Keep the unit dry and ensure it is mounted securely to avoid vibration stress.
Installation And Coding – Important
- The Unit Is Used And Is Paired With The Original Vehicle (VIN/PIN/Keys).
- Commissioning Options:
- 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 Technician With PSA Service Equipment (DiagBox/Lexia/PP2000).
- Always Disconnect The Battery Before Removal/Installation And Follow The Manufacturer’s Procedure To Avoid Damage To The Unit.
Why This Part Is Sought
Technicians and DIYers frequently search for BSI units by part numbers like 1400010480 or internal codes (6580S4/6580S5). Replacing the BSI is the correct solution when diagnostics indicate the comfort module is at fault or when the unit has suffered electrical damage. Proper cloning or coding is essential to restore full vehicle functionality, including immobilizer and key recognition.
Compatibility
Designed For First-Series Citroën C8 And Peugeot 807 Models. Verify Fitment By Matching The Listed Product Codes And Physical Connector Layout Before Installation.
Note For Professionals
Intended For Use By Automotive Technicians And Skilled DIY Mechanics Familiar With PSA Electronics And Coding Procedures. Correct Programming Is Mandatory For Full System Functionality.
