Description
Power Steering Control Unit For Peugeot 1007
Tested, Fully Functional
This Power Steering Control Unit (steering ECU) is a direct-fit replacement for Peugeot 1007 models and carries original PSA part references. Ideal for professional garages and experienced DIY mechanics who need a reliable steering electronics module to restore proper power assistance and steering behavior. Supplied as a used unit that has been checked and confirmed fully operational. Common search queries include the part numbers 9659947680 and 400676.
Key Benefits
Restores Electric Power Steering Functionality, Reduces Steering Effort At Low Speeds, Improves Safety And Driver Control. Compatible With Original Electrical Connectors And Mounting Points For A Straightforward Swap.
Technical Information
- Manufacturer: Stellantis / Peugeot-Citroën
- Model: Peugeot 1007
- Product Codes: 9659947680; 400676
- Additional Numbers: NFP
Installation Recommendations
- Disconnect The Battery Before Starting Work To Prevent Damage To The Unit And Vehicle Electronics.
- Remove Steering Column Covers And Unplug Electrical Connectors Carefully; Inspect Connectors For Corrosion Or Damaged Pins.
- Unbolt The Control Unit From Its Mounting Position And Replace With The Supplied Unit, Ensuring Proper Orientation And Secure Fastening.
- Reconnect All Plugs And Reassemble Interior Trim Panels. Reconnect The Battery Last.
- After Installation, Perform Steering System Checks: Switch On Ignition And Verify Power Assistance Operation, Check For Fault Codes And Clear If Necessary.
- If Module Adaptation Or Coding Is Required, Have It Performed By A Qualified Technician Using PSA Diagnostic Equipment (DiagBox/Lexia/PP2000) To Ensure Correct Integration With Vehicle Systems.
- Follow Manufacturer Procedures And Torque Recommendations Where Applicable To Avoid Damage.
How The Part Is Replaced (Overview)
1) Park The Vehicle On A Level Surface And Secure It. 2) Disconnect The Negative Battery Terminal. 3) Remove Interior Trim Around The Steering Column To Access The Control Unit. 4) Unplug The Electrical Connectors And Remove Fasteners Holding The Unit. 5) Fit The Replacement Unit, Reconnect Plugs, Refit Trim And Reconnect The Battery. 6) Run Diagnostic Checks And Perform Any Required Adaptations.
Why This Part Fails Most Often
- Water Ingress Or Moisture Leading To Corrosion Of Connectors And Internal Electronics.
- Connector Oxidation Causing Intermittent Contacts And Fault Codes.
- Electrical Surges From Incorrect Jump-Starting Or Faulty Charging Systems Damaging Internal Components.
- Wear Of Internal Sensors Or Electronic Components Over Time, Especially On High-Mileage Vehicles.
- Physical Damage From Impacts Or Improper Handling During Previous Repairs.
Additional Notes
Part Searches Frequently Use The OEM Numbers 9659947680 And 400676 — Include These Codes When Searching To Improve Match Accuracy. This Unit Is Supplied As A Used, Fully Functional Component; It Is Recommended That Installation And Any Required Coding Or Adaptation Be Performed By An Experienced Technician To Ensure Safe And Correct Operation.







