Description
Airbag Control Unit for Citroën C8 and Peugeot 807. Fully functional.
Product Description
This airbag (SRS) control unit is a direct-fit replacement for Citroën C8 and Peugeot 807 vehicles. The unit is often searched by OEM and aftermarket codes such as 1400157980, 654674 and 654688, so technicians and DIY enthusiasts will find it easy to locate. Designed to restore proper SRS system operation after a faulty or damaged module, the unit supports all primary airbag system functions and interfaces with crash sensors and restraint devices.
Function
The SRS Control Unit Monitors Crash Sensors, Airbag Circuits And Seatbelt Pretensioners. It Evaluates Sensor Signals Continuously And Triggers Airbag Deployment In The Event Of A Detectable Collision. The Module Also Stores Diagnostic Fault Codes And, In Some Cases, Event Data Related To A Crash.
Compatibility
Intended For Use In Vehicles: Citroën C8, Peugeot 807. This Unit Is Commonly Referenced By The Following Codes: 1400157980, 654674, 654688 (Also Shown As NFP In Some Listings). Searching By These Numbers Will Help Quickly Identify Fitment For The Correct SRS System Variant.
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: Citroën C8; Peugeot 807
- Product Codes: 1400157980
- Other Numbers: 654674; 654688; NFP
Installation Recommendations
- Always Disconnect The Battery Before Starting Work And Observe Manufacturer Safety Precautions To Avoid Unwanted Airbag Deployment Or Module Damage.
- Remove Interior Trim Panels To Access The Unit; Unplug Electrical Connectors And Remove Fasteners Securing The Module.
- Fit The Replacement Unit Securely, Reconnect All Plugs And Restore Battery Power.
- After Installation, Perform A Full SRS Diagnostic Scan With A Compatible Diagnostic Tool And Clear Fault Codes. Verify That The Airbag Warning Lamp Is Extinguished And That The System Reports No Active Faults.
- Because The SRS System Is Safety Critical, Consider Professional Installation If You Are Not Experienced With Airbag Systems.
Why The Part Fails
Airbag Control Units Typically Fail Due To One Or More Of The Following Reasons:
- Vehicle Collision Or Previous Airbag Deployment – Modules May Contain Crash Event Data And Often Require Replacement After A Deployment.
- Water Ingress Or Corrosion – Moisture Can Damage Circuitry Or Electrical Connections.
- Electrical Surges Or Short Circuits – Faults In Wiring Or Aftermarket Equipment Can Cause Module Damage.
- Connector Corrosion Or Poor Grounding – Leads To Intermittent Signals And Error Codes.
Signs Of A Faulty Unit
- Persistent Airbag Warning Light On Instrument Panel.
- Stored SRS Fault Codes Reported By A Diagnostic Scanner.
- Airbag Or Pretensioner Circuits Shown As Disabled Or Not Responding.
- Inability To Clear Safety Restraint Faults Without Module Replacement.
Practical Notes For Mechanics And DIYers
Search By The Mentioned Product Codes (1400157980, 654674, 654688) To Quickly Match The Correct Unit. When Replacing An SRS Module, Handle It Carefully, Avoid Static Discharge And Follow Proper ESD Precautions. If The Unit Contains Crash Data From A Previous Deployment, Replacement Is Required To Restore Full System Functionality And Safety.
Summary
This Airbag Control Unit Is A Functional Replacement Option For Citroën C8 And Peugeot 807 Vehicles Identified By The Listed Codes. It Restores Core SRS Functions When The Original Module Is Faulty Or Damaged. For Safety-Critical Work, Use Proper Diagnostic Tools And Follow Manufacturer Procedures.
