Description
Airbag control unit for Citroën C5 II. Controls 7 airbags and pyrotechnic seatbelt pretensioners. The unit is fully functional, not from an accident.
This airbag control module (SRS control unit) is a direct-fit replacement for Citroën C5 II vehicles and is ideal for professional workshops and experienced DIY mechanics. Designed to manage passenger and driver safety systems, this unit monitors crash sensors and commands airbag deployment and pretensioner activation. Listing common part numbers in the description increases findability for customers searching by OEM reference.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C5 II
- Product Codes: 9659532380, 603481900
- Additional Numbers: 6545V0, 6545V1, NFP
Compatibility
Suitable for Citroën C5 II models that use the listed airbag control unit references. Always compare part numbers when searching for replacements to ensure correct fitment.
How To Replace (Overview)
- Park vehicle on a level surface and remove key from ignition.
- Disconnect negative battery terminal and wait at least 10 minutes to ensure the SRS system is de-energized.
- Locate the airbag control unit (usually under the center console, seat, or behind the glovebox depending on model specification).
- Remove necessary trim and mounting screws to access the module. Take care with connector locking tabs.
- Disconnect wiring harnesses and remove the unit from the vehicle.
- Install the replacement unit, reconnect connectors, secure mounting, and reassemble trim in reverse order.
- Use a compatible diagnostic tool to read/clear SRS fault codes and perform any required initialization or self-tests; verify that the SRS warning lamp extinguishes.
Installation Recommendations
- Always disconnect the battery negative terminal before working on the SRS system and allow time for capacitors to discharge (recommend at least 10 minutes).
- Handle connectors and circuit board areas carefully; avoid static discharge—use a grounded wrist strap if available.
- Do not attempt to repair or open the unit; replace with a complete module to maintain safety integrity.
- After installation, verify the system with an SRS-capable diagnostic scanner. Some units require initialization or coding with dealer-level or aftermarket diagnostic tools.
Common Causes Of Failure
Airbag control modules can fail due to water ingress or corrosion, electrical surges and short circuits, prolonged exposure to extreme temperatures, or internal component degradation over time. Modules removed from vehicles after deployment will show crash history—this unit is specified as not from an accident. Typical symptoms of a failing SRS unit include persistent SRS warning light, intermittent airbag faults, or failure to communicate with diagnostic tools.
Why Choose This Unit
Offering OEM part references and a unit described as fully functional and not from an accident, this module is a practical option for restoring full occupant protection on Citroën C5 II vehicles. It helps workshops and experienced DIYers return the SRS system to correct operation while maintaining traceable part number matching for reliable fitment.
