Description
Overview
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.
