Common issues with steering units include wear and tear due to constant use, which can lead to diminished steering response and accuracy. In most cases, these units need to be replaced when you notice that steering becomes stiff or unresponsive, or if you hear unusual noises while turning. Regular maintenance and inspection of this component can help prolong its lifespan.

The function of this Steering Unit is crucial for ensuring that the driver’s input is accurately translated to the wheels of the vehicle, enabling smooth and responsive handling. The unit operates alongside the power steering system, and any failure in this unit can significantly affect driving safety and comfort.

Technical Information

• Manufacturer: PSA Citroën Peugeot
• Model: Peugeot 607
• Product Codes: 9649992580
• Other Numbers: Not available

Are you looking for a reliable part to repair your Citroën vehicle? Our steering assistance unit is the ideal choice for Citroën C2 and Citroën C3 models. This used auto part guarantees quality and functionality necessary for safe and comfortable handling of your vehicle. With precise compatibility with the mentioned models and specific product numbers, installation is easy and quick.

Installing this steering assistance unit does not require special tools and can be carried out by any qualified mechanic or experienced DIYer. The quality and durability of this part have been verified by numerous tests, meaning you can expect long-lasting satisfaction and minimal maintenance needs.

Technical Information:
Manufacturer: PSA CITROEN PEUGEOT
Model: Citroën C2, Citroën C3
Product Codes: 9645460880, 400687, 400688
Additional Numbers: NFP
The steering assistance unit is a crucial component for the proper functioning of the vehicle’s steering, and its replacement can bring significant improvements in your car’s handling and safety. Thanks to direct interchangeability with original Citroën parts, full compatibility and easy installation are ensured.

Don’t hesitate to invest in quality and safety with our steering assistance unit for Citroën C2 and C3. This part is ready for installation and will help keep your vehicle in optimal condition. With your order, you will also receive all necessary information for proper installation and usage of the part.

Product Overview

This electric power steering (EPS) unit is suitable for Citroën C1, Peugeot 107 and Toyota Aygo models and is commonly referenced by OEM and spare-part codes such as 89650-0H010, 400659, 1613433780 and 6900000521. The unit integrates the electric motor, torque sensor and control electronics to provide steering assistance while reducing fuel consumption compared with hydraulic systems. Ideal for professional workshops and experienced DIY mechanics who search by part number.

Technical Information

• Manufacturer: KOYO or JTEKT (OE Supplier for Stellantis)
• Model: Citroën C1, Peugeot 107, Toyota Aygo
• Product Codes: 89650-0H010, 89650-010
• Other Numbers: 400659, 1613433780, 161343780, 225000-0080, 6900000521, K91-00500, EPS LH 6900000521

Function

The EPS unit measures driver steering torque and vehicle speed, then supplies the appropriate electric assist via an integrated motor. It replaces hydraulic pumps and hoses, improving efficiency and packaging. The control module also monitors sensors and connectors for faults and may store diagnostic trouble codes that help identify issues.

Replacement Guide

General replacement steps for the EPS unit (procedure may vary by model):

• Disconnect the vehicle battery before any work to prevent electrical damage and to deactivate safety systems.
• Center and lock the steering wheel; mark the steering wheel position relative to the column to preserve alignment.
• Remove required trim panels and lower dash covers to access the steering column and EPS unit.
• Loosen and remove electrical connectors and securing bolts. Support the column if it must be separated from the rack.
• Fit the replacement unit, torque fasteners to manufacturer specification and reconnect electrical plugs ensuring clean, tight contacts.
• Reassemble trims, reconnect the battery and perform electrical checks.
• Perform a steering angle sensor adaptation/calibration and clear fault codes with an appropriate diagnostic tool. Verify correct assist and absence of warnings on the instrument cluster.

Installation Recommendations

• Always disconnect the battery and follow the vehicle manufacturer’s safety procedures before starting work.
• Mark steering wheel alignment before removal and avoid rotating the steering wheel with the unit disconnected.
• Inspect connectors and the wiring harness for corrosion or damage and replace any degraded components to prevent repeat faults.
• Use a suitable diagnostic tool to perform steering angle sensor adaptation and to clear stored fault codes after installation.
• For professional results, fitment by a workshop with experience on PSA/Toyota steering systems is recommended.

Why The Part Fails Most Commonly

Common causes of EPS unit failure include:

• Electrical faults such as connector corrosion, damaged wiring or intermittent connections.
• Motor or internal electronic component failure due to age, heat or moisture ingress.
• Mechanical damage from impacts to the steering column or rack.
• Contamination from water or road salt leading to corrosion of internal parts.
• Stored fault codes or sensor drift requiring recalibration after repairs.

Notes for Mechanics and DIYers

Searches for this unit are frequently performed using part numbers (e.g. 89650-0H010, 1613433780, 400659). If replacing the EPS unit, verify physical fitment and connector type against the vehicle before installation. After replacement, perform a full diagnostic scan and steering angle adaptation to ensure proper operation and safety.

We offer a used JTEKT Steering Control Unit that is compatible with Citroën C1 and Peugeot 107 vehicles. This essential component is ideal for mechanics and DIY enthusiasts looking for a quality replacement part for vehicle repairs or maintenance. The unit has been carefully extracted and confirmed for full functionality, ensuring reliable performance.

Technical Information:
Manufacturer: JTEKT
Model: Citroën C1, Peugeot 107
Product Codes: 89650-0H011, B0 00652180, 1612847580
Additional Numbers: EPS LH 6900002387, JL501-004890, 225000-1190

The steering control unit is a crucial part of the steering system that ensures smooth and precise steering movement. With this replacement unit, you can restore the original comfort and safety of steering. Thanks to precise compatibility with the specified vehicle models, installation is quick and uncomplicated. Replacement of this unit is typically necessary when there is a failure in the electronics or mechanical components of the original device, which can lead to difficulty or loss of steering assistance.

This product is suitable for anyone seeking a reliable and proven solution for functional restoration of the steering system, all at a fraction of the cost of a new part. Ensure that the part fits your vehicle perfectly using the technical codes and models provided in the description.

Each model’s performance may suffer if the steering system is not functioning correctly, leading to challenges in maneuverability and safety. Replacing the ECU can significantly improve the steering response and overall driving experience.

Technical Information

Manufacturer: PSA

Model: Citroën C2, C3

Product Codes: 9653783580, 400687, 400688

Additional Numbers: NFP

This unit plays a crucial role in ensuring that the steering response is smooth and precise, improving overall driving comfort and vehicle handling. It is essential for maintaining an optimal performance characteristic by providing the necessary assistance based on driving conditions.

Typically, the unit may need to be replaced if you experience symptoms such as difficulty in steering or unresponsive steering responses. Frequent use in challenging driving conditions can lead to wear and tear, resulting in reduced efficiency of the power steering system.

Technical Information

• Manufacturer: PSA
• Model: Citroën C2, Citroën C3
• Product Codes: 9653783580
• Additional Numbers: 400687, 400688

This unit has been carefully tested and is guaranteed to be fully functional, allowing you to restore smooth and precise steering to your vehicle. Specifically designed for the PEUGEOT 1007, it ensures seamless compatibility and functionality.

Replacing this part can be done with common tools, making it accessible for both professional garages and experienced DIY enthusiasts alike.

Technical Information:
Manufacturer: Original Peugeot Parts
Model: PEUGEOT 1007
Product Codes: 9659947680, 400676
Other Numbers: NFP

This unit plays a crucial role in the power steering system, enhancing driving safety by ensuring smooth and controlled steering. Due to the frequent load and importance in the vehicle’s safety system, it is recommended to regularly check the functionality of this part and replace it if necessary.

Available at an attractive price, this product emphasizes quality and value. Don’t miss the chance to restore the functionality and safety of your PEUGEOT 1007 with our high-quality and reliable power steering unit.

This power steering control unit (steering ECU/EPS unit) is designed as a direct-fit replacement for Citroën C2 and C3 models. It restores correct electric power steering operation, eliminates erratic assistance and warning lights related to the steering system, and is frequently sought under the part numbers 9650836780, 400687 and 400688. The unit is intended for professional workshops and experienced DIY mechanics who service Stellantis Group vehicles and who search by OEM codes to find the correct spare part quickly.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Citroën C2, Citroën C3, Citroën C3 Pluriel
• Product Codes: 9650836780; 400687; 400688
• Additional Numbers: NFP (as referenced in supplier listing)

Compatibility And Application

Fits Steering Systems On Citroën C2 And Citroën C3 Variants, Including Some C3 Pluriel Versions. Many Customers Locate This Part By Entering The OE Numbers 9650836780, 400687 Or 400688 In Search Engines Or Parts Catalogs.

Installation Recommendations

• Disconnect The Battery Before Starting Work To Avoid Electrical Damage Or Airbag System Warnings.
• Secure The Steering Wheel In The Straight‑Ahead Position And Note Any Alignment Marks Before Disassembly.
• Remove Necessary Trim And Access Panels To Reach The Steering Column And Steering Rack Area; Unplug Electrical Connectors Carefully And Inspect For Corrosion Or Bent Pins.
• Replace The Unit Using The Correct Fasteners; Follow Manufacturer Torque Specifications Where Available.
• After Installation, Reconnect The Battery And Use A Diagnostic Tool To Clear Fault Codes And Perform Steering Angle / EPS Initialization Or Calibration As Required.
• Perform A Road Test To Verify Smooth, Consistent Assistance And To Confirm No Warning Lights Reappear.

Most Common Failure Causes

Electric Power Steering Control Units Typically Fail Due To Electrical Or Environmental Factors Rather Than Simple Wear. The Most Frequent Causes Include:

• Water Ingress And Corrosion Around Connectors Or Internal Electronics Leading To Intermittent Or Permanent Faults.
• Poor Grounding Or Voltage Spikes From A Weak Battery Or Alternator That Damage Electronic Components.
• Failure Of The Torque Sensor Or Drive Motor Inside The Unit Causing Loss Of Assistance Or Erratic Behavior.
• Damaged Wiring Harness Or Connector Pins Due To Mechanical Stress Or Previous Repairs.
• Heat Cycling And Ageing Of Electronic Components Over Time.

Typical Symptoms Include Steering Assistance Warning Light, Heavy Or Intermittent Steering, Unusual Noises From The Steering Column Area, And Stored EPS‑Related Diagnostic Trouble Codes.

This control unit Provides A Practical Replacement Option For Restoring Proper Steering Assistance In Affected Citroën Models. When Searching For The Correct Part, Use The OEM Numbers 9650836780, 400687 Or 400688 To Ensure Compatibility With The Vehicle’s Steering System.

Typically, power steering ECUs may face issues due to electrical faults or component wear over time, leading to reduced steering assist and potential driving difficulties. Regular maintenance and timely replacements are essential to keep your steering system functioning optimally.

Compatible Models: Citroën C2, Citroën C3, Citroën C3 Pluriel.

Technical Information

• Manufacturer: KOYO
• Model: Citroën C2, C3
• Product Codes: 9649847780, 400687
• Additional Numbers: 400788

Commonly referred to by its part number 9658468080, this unit is also compatible with other codes such as 400692 and 400693, ensuring a broader application across various vehicles. It is a vital component that often needs replacing due to wear and tear, typically every 60,000 to 100,000 miles, depending on driving conditions and usage.

The primary function of this ECU is to assist in the steering mechanism, allowing for smoother handling and reduced driver effort, especially at lower speeds. Regular maintenance and timely replacement can prevent steering failures, ensuring safety on the road.

Technical Information

• Manufacturer: KOYO
• Model: Citroën C2, Citroën C3
• Product Codes: 9658468080
• Additional Numbers: 400692, 400693