Description
Control Unit For Sliding Rear Doors For CITROËN C8 And PEUGEOT 807. Tested.
Product Description
This genuine used control unit manages the electrical operation of the sliding rear doors on Citroën C8 and Peugeot 807 models. It Controls Motors, Door Position Sensors, Safety Inhibitors And Interlocks, Ensuring Smooth Opening/Closing, Obstacle Detection And Synchronisation With Central Locking And Interior Switches. Ideal For Professional Workshops And Do-It-Yourself Mechanics Looking To Restore Reliable Sliding-Door Functionality.
Key Benefits
- Direct Fit For Listed Models: Uses Original Manufacturer Part Numbers For Easy Identification.
- Restores Full Door Functionality: Ensures Motor Control, End-Of-Travel Limits And Safety Cut-Outs Work Correctly.
- Time-Saving Replacement: Plug-In Electrical Connections Reduce Workshop Labour Time When Installed Correctly.
- Suitable For Mechanic And Enthusiast Use: Clear Installation And Coding Paths For Professional Recommissioning.
How It Works And Typical Faults
The unit Regulates Power To The Sliding-Door Motor, Reads Limit Switches And Sensors, And Communicates Lock/Unlock Status To The Vehicle Network. The Most Common Causes Of Failure Are Water Ingress And Corrosion Of Connectors, Impact Or Mechanical Damage To The Door Mechanism, Short Circuits In Wiring Or Intermittent Faults In Internal Electronics Caused By Age Or Vibration. Fault Symptoms Include Unresponsive Door Motor, Intermittent Opening/Closing, Safety Cut-Outs Triggering Incorrectly, Or Complete Loss Of Door Control.
Replacement And Service Notes
General Replacement Steps (Summary):
- Disconnect The Battery Before Starting Work To Avoid Short Circuits And Protect The Unit.
- Remove The Interior Trim Panels To Access The Sliding-Door Control Unit; Keep Fasteners Organised.
- Unplug All Electrical Connectors Carefully And Note Any Retaining Clips Or Seals To Ensure Water Tightness On Reassembly.
- Swap The Unit, Reconnect Harnesses, Refit Trim Panels And Reconnect The Battery.
- Perform Coding Or Data Transfer As Required (See Installation And Coding – Important).
Installation And Coding – Important
– The Unit Is Used And Is “Paired” With The Original Vehicle (VIN/PIN/Keys).
– Options For Commissioning:
1) Cloning Data From The Old Unit (EEPROM/Flash) – After Cloning The Unit Is Plug And Play.
2) Virginization And Subsequent Initialization/Telecoding Via DiagBox (Or Online) + Key Adaptation.
– Recommended To Be Performed By A Technician With PSA Service Equipment (DiagBox/Lexia/PP2000).
– Always Disconnect The Battery Before Removal/Installation And Follow The Manufacturer’S Procedure To Avoid Damaging The Unit.
Recommended Workshop Advice
Check The Door Mechanism And Wiring Harness For Signs Of Water Ingress, Corrosion Or Mechanical Binding Before Replacing The Module. Replace Any Damaged Seals, Clean Connector Pins And Apply Dielectric Grease To Prevent Future Corrosion. If The Fault Is Intermittent, Consider Cloning The Original Module Data To The Replacement Unit To Preserve Learned Limits And Behaviour.
Why This Part Fails Most Often
Failures Commonly Result From Water And Moisture Penetration Into Connectors Or The Module Housing, Corrosion Of Electrical Contacts, Damage From Impact Or Excessive Strain On Door Linkages, And Age-Related Electronic Component Degradation. Faults Are Also Frequently Triggered By Wiring Harness Damage At Door Hinges Or Sliding Rails Where Movement Causes Wear.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C8; Peugeot 807
- Product Codes: 1488780080; 1400500180; 9138H4
- Additional Numbers: NFP
Compatibility And Notes
Part Numbers And Vehicle Fitment Shown For Quick Reference. Ensure That The Replacement Unit Matches The Required Part Numbers Listed Above. For Proper Commissioning After Fitment, Use The Recommended Diagnostic Procedures To Clone Or Initialize The Module So All Door Functions And Key Adaptations Work Correctly.
