Description
Airbag Unit CITROËN C5 II — 7× Airbags plus Pyrotechnic Seatbelt Pretensioners. We do not know the exact condition of the unit; it is stated as fully functional, but it may be necessary to erase CRASH data.
Product Overview
This airbag control unit is a core safety module for the Citroën C5 II. It monitors crash sensors and decides on the deployment of up to seven airbags and associated pyrotechnic seatbelt pretensioners. For professional workshops and experienced DIY mechanics looking for a replacement or spare module, this unit is offered with the product codes listed below and is suitable where the same part numbers are used across Stellantis platforms.
Why Choose This Unit
- Direct-fit replacement for vehicles using the listed product codes.
- Handles deployment logic for multiple airbags and pretensioners, ensuring occupant protection in a crash event.
- Important for safety restoration after an accident; may require erasing stored crash (CRASH) data and proper initialization.
Technical Information
- Manufacturer: Stellantis / Citroën
- Model: Citroën C5 II (Second Generation)
- Product Codes: 9659532380, 603 48 19 00, 6545V0, 6545 V0, 6545V1, 6545 V1
- Additional Numbers: 6545V0 | 6545V1 | 9659532380
Compatibility Notes
Primary fitment is Citroën C5 II. The same hardware is sometimes used across Stellantis group vehicles (Citroën/Peugeot) where the product codes match. Always verify the part number against the vehicle’s installed unit when replacing.
Installation Recommendations
- Work Should Be Performed By A Qualified Technician Or An Experienced Mechanic: Airbag systems are safety-critical.
- Safety First: Before starting, disconnect the negative battery terminal and allow residual power to dissipate (manufacturers commonly recommend waiting several minutes) to avoid accidental deployment.
- Handle With Care: Avoid impact, strong shocks or exposure to moisture. Protect electrical connectors and mounting points during installation.
- Connector Procedure: Carefully release locking tabs on airbag connectors; do not force pins. Ensure correct seating and secure locking clips on reassembly.
- Post-Installation: After mechanical installation, erase CRASH memory and run the appropriate diagnostic and initialization procedures using suitable PSA diagnostic tools where required.
- Refer To The Workshop Manual For Exact Location And Fastening Torques: The unit location and removal steps may vary by equipment level and model year (commonly located under the center console or behind interior trim panels).
Most Common Reasons For Failure
- Crash Deployment: The module records crash events and may lock or require data clearing after airbag deployment.
- Electrical Damage: Short circuits, wiring faults, or improper jump-starting can damage the control electronics.
- Corrosion Or Water Ingress: Moisture entering connector areas or the module body can cause malfunction.
- Previous Repair Damage: Mechanical impact, improper handling or incorrect repairs can impair functionality.
- Internal Memory/CRASH Data Lock: After a collision the unit often stores crash data that must be cleared and properly re-initialized before reuse.
What To Expect After Replacement
Once installed and any stored crash data has been cleared, run a full system scan with a compatible diagnostic tool to confirm sensor integrity and absence of fault codes. Ensure all airbag indicators on the instrument cluster are extinguished and that no residual faults remain.
Additional Notes
This item is offered with the product identifiers supplied. Exact functionality and state are described as provided; CRASH memory erase or further initialization may be necessary depending on the unit’s history. Use appropriate diagnostic equipment and follow Citroën workshop procedures when handling safety restraint system components.
