Description
Autoliv Airbag Control Unit For Peugeot 307 CC From 2005
Description
This Autoliv airbag control unit is designed for the Peugeot 307 CC and manages deployment of the restraint system in the event of a collision. It Monitors Crash Sensors, Controls Airbag Deployment And Seatbelt Pretensioners, And Stores Event Fault Codes. The Unit Is Often Searched By Part Number, So Use The Codes Listed Below To Find The Correct Replacement Quickly.
Technical Information
- Manufacturer: Autoliv
- Model: Peugeot 307 CC (From 2005)
- Product Codes: 9653493180, 603725100
- Additional Numbers: 6545HG, 6545HH, NFP
Function And Typical Symptoms
The Airbag Control Unit (Crash/Restraint Module) Continuously Monitors Inputs From Impact Sensors, Seat Occupancy Sensors And Safety Belt Pretensioners. When A Critical Threshold Is Detected, It Triggers Deployment Of Front And Curtain Airbags And Activates Pretensioners. Common Symptoms Of A Faulty Unit Include Airbag Warning Light Illuminated On The Dashboard, Recorded Crash Event Codes, Or Intermittent Communication Errors With Diagnostic Tools.
Why This Part Fails
- Direct Impact Or Vehicle Collision Causing Internal Damage Or Stored Crash Event Data.
- Water Ingress Or Excessive Moisture Leading To Corrosion And Electrical Faults.
- Short Circuits, Voltage Surges Or Poor Electrical Connections (Connector Corrosion, Broken Pins).
- Physical Damage During Previous Repairs Or Improper Handling.
- Sensor Failures Or Wiring Harness Damage Causing Incorrect Inputs.
Installation Recommendations
Replacement Of An Airbag Control Unit Should Be Performed By A Qualified Technician Or An Experienced DIY Mechanic Familiar With SRS Safety Procedures. Follow These General Steps:
- Always Disconnect The Battery Before Starting Work And Wait At Least 10–15 Minutes To Ensure The SRS Capacitors Discharge.
- Locate The Module (Typically Mounted Under The Center Console, Under The Dashboard Or In The Passenger Footwell Depending On Vehicle Specification).
- Remove Trim Panels And Fasteners To Access The Unit, Then Carefully Disconnect Electrical Connectors Without Damaging Pins Or Wiring.
- Install The Replacement Unit Securely, Reconnect All Connectors And Refit Trim Panels.
- After Installation, Use A Suitable Diagnostic Tool To Read And Clear Fault Codes, Verify Communication With The Module And Run SRS System Checks. If The Unit Contains Stored Crash Data, Replacement Or Proper Reinitialization May Be Required.
Notes For Mechanics And DIYers
This Unit Is Not A Regular Wear Item; Replacement Is Typically Required After A Collision, Exposure To Water Or If The Module Develops Electrical Faults. Because The Airbag Control Unit Is A Critical Safety Component, Follow Manufacturer Procedures And Use Appropriate Diagnostic Equipment To Confirm Correct Operation After Replacement. Keep The Original Part Numbers Handy—Many Searches And Orders Are Performed By Part Code (e.g., 9653493180, 603725100, 6545HG).
