Description
Airbag Control Unit For Citroën C5 II. 7x Airbags Plus Pyrotechnic Seatbelt Pretensioners. The Unit Is Fully Functional, Not From An Accident.
This SRS (Supplemental Restraint System) control unit is a direct-fit airbag module suitable for Citroën C5 II vehicles. It manages deployment signals for multiple airbags and the pyrotechnic seatbelt pretensioners. The unit is designed for professional mechanics and competent DIY technicians who perform safety-system repairs and replacements. Commonly referenced by its part numbers, this module is a high-value spare when the original SRS ECU is defective or after component replacement following non-deployment repairs.
Key Features And Benefits
- Direct Compatibility With Citroën C5 II Applications Where These Part Numbers Are Used.
- Controls Multiple Airbag Channels And Pyrotechnic Seatbelt Pretensioners For Coordinated Deployment.
- Easy Identification By Product Codes 9659532380 / 603481900 And Additional Codes 6545V0, 6545V1, NFP.
- Ideal For Workshops And Experienced DIYers Looking For A Cost-Effective Replacement SRS Module.
Technical Information
- Manufacturer: Stellantis / Citroën
- Model: Citroën C5 II
- Product Codes: 9659532380, 603481900
- Additional Numbers: 6545V0, 6545V1, NFP
Symptoms Of A Faulty Airbag Control Unit
- SRS Warning Light Illuminated On Instrument Cluster.
- Airbags Or Seatbelt Pretensioners Reported As Unavailable By Diagnostic Tool.
- Intermittent Or Persistent Fault Codes Related To Airbag Sensors Or Bus Communication.
- Post-Accident System Malfunction Even If Airbags Did Not Deploy.
Why This Part Fails Most Often
Airbag control modules typically remain serviceable for many years, but failures usually result from external factors. The most common causes are water ingress or corrosion of connectors, electrical surges or short circuits, physical damage from collisions, and long-term exposure to humidity or contaminants. In some cases, internal electronic component failure can occur with age. Note that deployment of airbags during a crash often renders the module unusable and it must be replaced or reprogrammed according to the manufacturer’s procedures.
Replacement And Service Notes
- Disconnect Battery Before Starting Work And Observe Manufacturer Safety Intervals To Allow Capacitors To Discharge.
- Locate And Remove The Old Module Carefully—On Citroën C5 II Models The SRS Module Is Typically Positioned In The Passenger Compartment; Exact Location Depends On Trim And Year.
- Handle Connectors And Wiring With Care To Avoid Damaging Airbag Harnesses Or Triggering Pyrotechnic Devices.
- After Mechanical Installation, Use Appropriate Diagnostic Equipment To Read And Clear Fault Codes And To Confirm System Readiness.
- Do Not Attempt To Repair Internal Electronics Without Proper Training And Equipment; SRS Systems Are Safety-Critical.
Installation Recommendation
Installation Is Recommended To Be Performed By A Qualified Technician Or An Experienced Mechanic With Access To An SRS-Capable Diagnostic Scanner. Always Follow The Vehicle Manufacturer’s Procedures For Removal And Installation, Disconnect The Battery Before Work, And Verify System Integrity After Reassembly. If Sensors Or Other Airbag Components Were Replaced, Check All Related Circuits And Clear Stored Faults With A Diagnostic Tool.
Why Choose This Unit
This airbag control unit offers a cost-effective option for restoring SRS functionality in Citroën C5 II vehicles when the original module is faulty and where the listed part numbers match. It is a practical choice for workshops and skilled individuals seeking reliable replacement parts with clear identification by OEM codes.
