This ABS/ESP pump and electronic control unit is intended for Citroën C5 II (2005–2007) applications and is identified by commonly searched part numbers. It restores modulation of brake pressure for ABS and electronic stability control systems, ensuring reliable braking performance and vehicle stability. The unit is suitable for professional workshops and experienced DIY mechanics who look up parts by product code. Compatible with vehicles using ATE ABS systems and associated Stellantis Citroën/Peugeot numbering.

Technical Information

• Manufacturer: ATE / Stellantis (Citroën Peugeot)
• Model: Citroën C5 II (2005–2007)
• Product Codes: 10.0960-1140.3, 10.0206-0190.4
• Other Numbers: 9657061080, 4542F0, 4542F1, 4541G1, 4541G2

Installation Recommendations

• Safety First: Disconnect the negative battery terminal before starting work to avoid electrical damage or unintended ABS activation.
• Access And Removal: Locate the ABS/ESP unit in the engine bay (typically mounted near the brake master cylinder). Remove mounting bolts, disconnect the hydraulic brake lines (prepare for brake fluid loss and cap lines immediately) and unplug the electrical connector or wiring section supplied with the unit.
• Handling Brake Lines: Prevent contamination—keep brake lines capped and avoid introducing dirt into the system. Replace any damaged sealing washers.
• Fitting: Mount the unit securely, reconnect hydraulic lines and the wiring harness. Ensure connectors seat fully and that grounds are clean.
• Bleeding And Calibration: Fully bleed the brake system after installation using the manufacturer-recommended procedure. Use a diagnostic tool to run ABS pump cycles and clear fault codes; perform post-replacement checks for leaks and proper ABS/ESP operation.
• Recommendation: If you are not equipped with a diagnostic scanner or professional brake-bleeding tools, have the final bleeding and system calibration performed by a workshop.

Most Common Failure Reasons

• Corrosion And Moisture: Long-term exposure to moisture can corrode internal hydraulic components and electrical contacts.
• Contaminated Brake Fluid: Old or contaminated fluid accelerates valve and solenoid wear and can cause internal blockages.
• Electrical Faults: Connector corrosion, damaged wiring or internal electronics failure can disable the unit.
• Mechanical Wear: Valves and the pump motor can wear out after extended service, especially on high-mileage vehicles.
• Impact Damage: Collision or underbody damage may deform the housing or brake lines and compromise the unit.

Symptoms Of A Faulty Unit

• Warning Lights: Illumination of ABS and/or ESP warning lamps on the dashboard.
• Brake Pedal Changes: Pulsating or unusually hard/soft brake pedal feel.
• Loss Of ABS/ESP Functions: Traction control or stability systems disabled; longer stopping distances in emergency braking.
• Noises: Unusual whining or humming from the unit during ABS activations.

Part numbers and cross-references are included above; many customers search by these codes when sourcing replacements. Install with care and verify system operation and absence of leaks before returning the vehicle to service.

This ATE ABS/ESP pump and control module is a direct-fit replacement unit designed for Citroën C5 II vehicles produced in the mid-2000s. The assembly includes the hydraulic pump, electronic control module and a short wiring harness for connector adaptation, making it suitable for fast repairs in the workshop or for experienced DIY mechanics. The unit restores ABS/ESP functionality, improves braking stability and prevents warning lights caused by a faulty pump or module. Commonly searched by part numbers, this product is ideal when diagnosing faults that produce ABS or ESP error codes, reduced braking performance or audible pump noise during system self-tests.

Technical Information

• Manufacturer: ATE / Stellantis (Peugeot/Citroën)
• Model: Citroën C5 II (2005–2007)
• Product Codes: 10.0960-1140.3, 10.0206-0190.4, 9657061080
• Additional Numbers: 4542F0, 4542F1, 4541G1, 4541G2, NFP

Function And Typical Symptoms

The ABS/ESP pump assembly controls hydraulic pressure for the anti-lock braking system and stability control. It houses the electric pump motor, hydraulic valves and the electronic control unit that interprets wheel-speed sensors and other inputs. Typical symptoms of a failing unit include persistent ABS or ESC warning lights, loss of ABS operation, pulsating braking under normal conditions, unusual pump noise during ignition self-test, or diagnostic trouble codes related to pump motor, internal valve solenoids or communication errors with the ABS ECU.

Why The Part Fails

Failures are usually caused by electrical faults (corroded pins, broken solder joints, or moisture ingress), internal pump motor wear, clogged/contaminated hydraulic valves, or damage from brake fluid contamination. Long-term exposure to road salt and humidity accelerates connector corrosion and electronic failure. In many cases the unit fails after several years of service rather than from a single incident.

Replacement And Installation Recommendations

• Safety First: Park on a level surface, chock wheels and disconnect the vehicle battery before starting work to avoid short circuits and unintended ABS activation.
• Access And Removal: Remove necessary trim and battery to reach the ABS unit location. Disconnect the electrical connector(s) and carefully label or photograph brake line positions before loosening hydraulic lines to prevent mixing errors.
• Hydraulic Lines: Use proper flare wrenches or line wrenches to avoid rounding fittings. Expect a small amount of brake fluid loss—prepare a container and avoid spilling fluid on painted surfaces.
• Replacement: Fit the new unit with the supplied wiring section, secure mounting bolts to the correct torque, reconnect hydraulic lines and electrical connectors ensuring clean, tight connections.
• Bleeding And Initialization: After mechanical installation, perform a complete brake bleed following manufacturer sequence. Use an ABS-capable diagnostic tool to run pump priming, bleed routines and to clear fault codes; some vehicles require electronic initialization or coding of the ABS unit to restore full ESP functionality.
• Final Checks: Verify no leaks, check brake pedal feel and confirm ABS light extinguishes after initialization. Road-test at low speed to confirm normal ABS/ESP operation.

Installation Tips For Mechanics And DIYers

Have a proper ABS-capable scanner available—many modern ECUs need an electronic bleed or system adaptation after replacement. Always replace with the correct part numbers listed above and inspect connectors for corrosion; replace damaged seals or pins to prevent repeat failure. When in doubt about electronic initialization steps, follow manufacturer repair manual procedures or use OE-level diagnostic routines.

Notes

Includes a short length of wiring to assist in connector mating. Sold as a complete pump and control module assembly compatible with the listed part numbers. Search by any of the referenced codes to find this exact unit quickly.

Typical Application

Intended primarily for Citroën C5 II models from 2005 to 2007 equipped with ABS/ESP systems using ATE components. Check the vehicle’s part number history against the codes listed above when searching for a match.

This ABS/ESP hydraulic unit from ATE is designed for Citroën C5 II and combines the pump, electronic control module and part of the wiring harness into a single replacement assembly. It restores hydraulic modulation and anti-lock braking/traction control functions by controlling brake fluid pressure to individual wheels during ABS/ESP interventions. The unit is commonly searched and identified by its part numbers, so customers frequently look for the item using stamped or catalog numbers such as 10.0960-1147.3, 10.0206-0189.4 or OEM codes like 9657061080.

The module is suitable for professional fitters and competent DIY mechanics who are familiar with brake systems. Installation returns full ABS/ESP functionality when the fault is caused by a failed pump motor, internal valve block or electronics. After fitting, the vehicle will normally require an electronic bleed/initialization with a diagnostic tool to clear fault codes and cycle valves to remove trapped air.

Technical Information

• Manufacturer: ATE / Stellantis (Peugeot Citroën)
• Model: Citroën C5 II (Second Generation)
• Product Codes: 10.0960-1147.3; 10.0206-0189.4
• Other Numbers: 9657061080; 4542F0; 4542F1; 4541G1; 4541G2

Installation Recommendations

• Disconnect The Battery Before Work To Prevent Short Circuits And Fault Codes.
• Access The ABS/ESP Unit From The Engine Bay; It Is Usually Mounted To The Brake Master Cylinder/Booster Area.
• Carefully Disconnect Electrical Connectors And Brake Lines; Use Correct Flare/Wrench Tools To Avoid Damaging Fittings.
• Replace The Unit As A Complete Assembly Including The Supplied Wiring Piece To Ensure Proper Connections.
• After Mechanical Fitment, Perform An Electronic Bleed/Initialization With A Diagnostic Tool To Cycle The Valves And Clear Stored Faults; Manual bleeding alone may not remove air from the modulator.
• Check For Leaks, Corroded Connectors And Secure Mounting; Verify That Brake Fluid Is Clean And At The Correct Level.

Most Common Failure Reasons

• Corrosion And Moisture Ingress: Electrical connectors and internal hydraulic channels can corrode, impairing pump motor or valve operation.
• Electrical Faults: Wiring damage, connector corrosion or internal electronics failure lead to intermittent or permanent loss of ABS/ESP function.
• Contaminated Or Old Brake Fluid: Debris and moisture accelerate wear of valves and the pump motor.
• Mechanical Wear: Pump motor brushes and internal valve components can wear with age and high mileage.
• External Damage: Road salt, impacts or previous improper repairs can damage the unit or its harness.

Notes For Purchase: This unit is often identified by its part numbers—searching by 10.0960-1147.3, 10.0206-0189.4 or 9657061080 will help you find the correct item quickly. Suitable for workshops and experienced DIYers who can perform safe brake system procedures and have access to diagnostic tools for proper commissioning.

This complete ABS/ESP assembly combines the hydraulic pump and electronic control unit in one compact module designed for Citroën C5 II applications. Ideal for professional workshops and competent DIY mechanics, the unit restores full ABS and ESP functionality when the original module shows hydraulic or electrical faults. The integrated design simplifies replacement compared with separate pump and ECU solutions and is compatible with vehicles that reference the listed part numbers.

Typical symptoms indicating the need for replacement include persistent ABS or ESP warning lights on the dashboard, reduced braking assistance, a pulsating or unresponsive brake pedal, and stored ABS-related fault codes on a diagnostic scanner. Mechanical noise from the pump or intermittent electrical faults are also common indicators. Replacing the unit returns proper anti-lock braking and stability control behavior when repaired or replacement is required.

Technical Information

• Manufacturer: ATE
• Model: Citroën C5 II (2006) 2.0 HDi RHR Estate
• Product Codes: 10.0960-1147.3; 10.0206-0189.4; 9657061080
• Other Numbers: 4542F0, 4542F1, 4541G1, 4541G2, 4541F0

Installation Recommendations

Work Should Be Performed By A Qualified Technician Or An Experienced DIY Mechanic With Appropriate Tools. Before Starting, Park The Vehicle On A Level Surface, Chock Wheels And Disconnect The Negative Battery Terminal To Prevent Electrical Damage. Carefully Drain Brake Fluid From The System To Avoid Contamination. Remove The Old Unit With Attention To The Hydraulic Lines And Electrical Connectors; Marking Or Photographing Connections Helps Reassembly. When Installing The New Unit, Ensure All Hydraulic Fittings And Connectors Are Clean And Undamaged, Tighten Connections To Manufacturer Specifications, And Refill The Brake System With Fresh, Manufacturer-Specified Brake Fluid.

After Mechanical Installation, Bleed The Brake System To Remove Air. An ABS-Compatible Bleeding Procedure Using A Diagnostic Tool Is Recommended Because The Unit Often Requires Electronic Activation Of Pump And Valves To Fully Purge Air. Electronic Calibration Or Coding May Be Required For Proper Communication With The Vehicle Body Control Systems — Ensure Fault Codes Are Cleared And Perform A Road Test To Verify Proper Operation.

Most Common Failure Causes

ABS/ESP Units Fail Most Frequently Due To Corrosion And Water Ingress, Electrical Connector Or Wiring Damage, Pump Motor Wear, Internal Valve Or Solenoid Faults, And Contaminated Or Aged Brake Fluid. Thermal Stress And Road Salt Exposure Accelerate Corrosion On Hydraulic Components And Electrical Contacts. Intermittent Failures Often Originate From Damaged Wiring Or Poor Grounds Rather Than The Electronic Module Itself, So Inspect The Harness Supplied With This Unit Carefully.

When Replacing The Module, Inspect Brake Lines, Wheel Speed Sensors, And Electrical Connections To Prevent Recurring Faults. Regular Brake Fluid Changes And Ensuring Sealed Electrical Connections Help Extend The Service Life Of ABS/ESP Assemblies.

The ATE ABS/ESP pump and control unit is designed for Citroën C5 II vehicles. It regulates hydraulic brake pressure and wheel-speed modulation to maintain effective ABS and ESP operation. This part is commonly referenced by OE numbers 9656419780, 10.0960-1146.3 and 10.0206-0188.4, and by reference codes 4542F0, 4542F1, 4541G1 and 4541G2.

Features & Benefits

• Direct-fit unit engineered to meet OE specifications for reliable integration.
• Restores ABS/ESP functionality and braking stability for safer vehicle control.
• Compatible with vehicles identified by the listed part and reference numbers.
• Designed for professional workshops and experienced DIY mechanics familiar with ABS systems.

When To Replace

Common indications that the ABS/ESP pump or control unit needs replacement include illuminated ABS or ESP warning lights, a pulsating or soft brake pedal under braking, or persistent diagnostic trouble codes related to the ABS pump, valves or control electronics. Typical failure causes are pump motor or electronic faults, stuck hydraulic valves, corrosion or moisture ingress.

Replacement Procedure

Typical replacement steps: perform a full diagnostic scan to identify related fault codes; disconnect the battery and relieve hydraulic pressure; disconnect electrical connectors and hydraulic lines; remove mounting fasteners and extract the old unit; install the replacement unit, reconnect lines and connectors, refill with the manufacturer-recommended brake fluid; then perform an ABS bleed and electronic initialization with a compatible diagnostic tool. Some vehicles may require coding/calibration after installation. Always follow workshop manuals and safety procedures when working on the braking system.

Technical Information

• Manufacturer: ATE
• Model: Citroën C5 II
• Product Codes: 9656419780; 10.0960-1146.3; 10.0206-0188.4
• Additional Numbers: 4542F0; 4542F1; 4541G1; 4541G2

Fitment note: Verify compatibility with the vehicle VIN and OE part number before ordering. Proper bleeding of the brake system and electronic initialization with a diagnostic tool are required after installation to ensure safe operation.