Description
Power Steering Control Unit For PEUGEOT 1007. Tested, Fully Functional.
This electric power steering control unit is a direct-fit component for the Peugeot 1007. It manages assistance levels, processes inputs from the torque/angle sensors and vehicle bus, and controls the electric motor that provides steering assist. Designed for professional workshops and competent DIY mechanics, this unit is often searched for and referenced by its product numbers — useful when ordering or replacing the part.
Compatibility And Application
Designed For: Peugeot 1007.
Common Search References: 9659947680, 400676 — keep these numbers handy when locating the correct unit for your vehicle.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Peugeot 1007
- Product Codes: 9659947680, 400676
- Other Numbers: NFP
Installation Recommendations
Follow a safe, workshop-style procedure when replacing the unit:
- Disconnect the negative battery terminal and wait at least 2 minutes before starting work to avoid electrical damage or airbag faults.
- Remove required trim and covers to access the steering column and control unit. Work carefully around airbag and steering wheel components.
- Handle connectors and wiring harnesses gently; avoid pulling on wires and inspect connector pins for corrosion or damage.
- Mount the replacement unit securely, ensure all seals and grommets are correctly positioned, and reconnect all electrical connections.
- After installation, perform steering system calibration and any required initialization (steering angle sensor, power steering adaptation) using a suitable diagnostic tool compatible with PSA vehicles (e.g., DiagBox / Lexia / PP2000) or an equivalent professional scanner. A proper calibration is important for correct assistance behavior and stability control functions.
- Perform a road test to confirm correct steering assist, absence of warning lights, and proper vehicle straight-line tracking.
Most Common Causes Of Failure
- Electrical Issues: Voltage spikes, poor grounding or intermittent wiring/connectors can damage internal electronics.
- Corrosion And Moisture Ingress: Water or salt exposure can corrode connectors and internal circuits.
- Mechanical Damage: Impact from collisions or mishandling during previous repairs can impair the unit.
- Wear And Ageing: Over many years, internal components or solder joints can fail, especially in high-mileage vehicles.
- Power Supply Problems: Repeated low-voltage events from a weak battery or faulty alternator may stress the electronics.
Replacement of the power steering control unit is a task suitable for experienced technicians. Correct electrical connections and proper calibration are essential to restore safe and reliable steering assist performance.
