The BOSCH inertial control unit (kinetic ESP sensor) is a critical safety component for Citroën and Peugeot vehicles equipped with electronic stability control. The sensor measures vehicle accelerations and rotational movements to support ABS/ESP systems, improving vehicle stability during emergency maneuvers, cornering and traction loss. This part is commonly searched by its product numbers, so check the listed codes when matching replacement units.

Technical Information

• Manufacturer: Bosch
• Compatible Models: Citroën C4, Citroën C8, Peugeot 307, Peugeot 407, Peugeot 807
• Product Codes: 0265005714, 9663187680
• Additional Numbers: 9811627180, 454939, 0265005291, 265005714, 9649400180

Function And Symptoms

The inertial sensor provides the ESP/ABS control unit with yaw rate and acceleration data. When the sensor fails or reports incorrect values, the vehicle can display ESP/ABS warning lights, reduced stability control functionality, unexpected ABS activation, or a change in handling (pulling or instability during cornering). Fault codes related to the sensor may appear in the ABS/ESP unit memory.

How To Replace

1. Park on a level surface, engage the parking brake and disconnect the negative battery terminal before any work.
2. Access the sensor location (typically mounted centrally under the dash or on the body tunnel; location varies by model). Remove interior trim panels as required to reach the unit.
3. Unplug the electrical connector and remove mounting fasteners. Handle the sensor carefully to avoid shocks or contamination.
4. Install the replacement unit in the correct orientation, secure fasteners to the manufacturer’s specification, reconnect the electrical connector and reassemble trim.
5. After installation, the ESP/ABS system requires initialization or calibration using an appropriate diagnostic tool to ensure correct sensor alignment and operation.

Installation Recommendations

• Always disconnect the battery before removal and follow the vehicle manufacturer’s disassembly procedure to avoid damage to connectors or control electronics.
• Use proper tools and avoid excessive force on connectors and PCB housings. Keep the sensor dry and free from contaminants during installation.
• After fitting, perform an electronic calibration/initialization of the ESP/ABS system with PSA service equipment (DiagBox) or an equivalent diagnostic tool capable of initializing ESP sensors.
• If unsure about calibration procedures, have the initialization performed by a qualified technician with PSA diagnostic equipment.

Most Common Failure Causes

• Mechanical shock or impact (accident damage) that disturbs sensor alignment or internal components.
• Water ingress or corrosion at connectors causing intermittent signals or open circuits.
• Electrical faults such as short circuits, voltage spikes or poor grounding affecting sensor electronics.
• Age-related deterioration of internal components or connector contacts.

Why Choose This Unit

Selecting the correct part number is essential for reliable ESP function. This inertial sensor corresponds to common BOSCH and OEM references used on several Citroën and Peugeot models. It is suitable for professional workshops and experienced DIY mechanics who can perform careful removal, secure installation and post-fit calibration.

High-quality Bosch kinetic ESP sensor designed as a direct-fit replacement for specific Citroën and Peugeot models. This sensor feeds the vehicle stability control (ESP/ABS) system with precise motion data so the control unit can detect and correct understeer, oversteer and other dynamic instabilities. Frequently searched by part number (for example 9649400180, 0265005291), the unit is suitable for professional workshops and experienced DIY mechanics who need a reliable, vehicle-specific component to restore correct ESP operation.

Technical Information

• Manufacturer: Bosch
• Model: Citroën C4, Citroën C8 II, Peugeot 307 II, Peugeot 807 II
• Product Codes: 9649400180, 0265005291, 9811627180
• Additional Numbers: 454939, 454926, 0265005714, 265005291, 9663187680

Function

The kinetic ESP sensor measures vehicle motion parameters (longitudinal/lateral acceleration and dynamic movement used by the ESP/ABS systems). The ESC/ESP control unit uses these signals to compare actual vehicle behaviour with driver input and to command selective braking or torque reduction to maintain stability. Accurate sensor readings are essential for predictable electronic stability control performance.

Common Symptoms of Failure

• ESP/ABS warning lamps illuminated on the dashboard.
• Intermittent or permanent loss of traction/stability control interventions.
• Unexpected ABS or ESP activation during normal driving, especially in corners.
• Diagnostic fault codes related to sensor signal or communication errors.

Why This Part Fails Most Often

Typical causes of kinetic sensor failure include moisture ingress and connector corrosion, physical damage from impacts or road debris, wiring harness fatigue or chafing, and long-term exposure to vibration and heat. Electrical faults such as intermittent connectors or internal sensor electronics degradation are also common on higher-mileage vehicles.

Replacement Guide

Intended for mechanics and competent DIYers. Typical replacement steps:

• Safety first: Disconnect the negative battery terminal before starting work to avoid electrical damage or faults.
• Locate the sensor—on Citroën/Peugeot models it is commonly mounted near the ABS/ESP unit or under the dash/center console; consult the vehicle repair manual for exact location.
• Remove any trim or covers to access the sensor, unplug the electrical connector, and unbolt the sensor from its bracket.
• Install the new sensor, secure fasteners to the manufacturer’s recommended tightness, reconnect the wiring and reassemble trim.
• After replacement clear fault codes with a diagnostic tool and perform any required calibration or adaptation of the ESP/ABS system (see next section).
• Perform a road test in safe conditions to verify normal ESP/ABS behavior.

Installation Recommendations

• Use contact cleaner on electrical connectors if corroded and ensure secure, dry connections.
• Inspect the wiring harness and repair any damaged insulation or broken wires before installing the new sensor.
• Do not reuse a damaged sensor mounting bracket; ensure the sensor is mounted solidly to avoid vibration-related faults.
• Clear all related fault codes after installation and follow the vehicle manufacturer’s calibration/adaptation procedure for the ESP/ABS system using a suitable diagnostic tool.

Calibration And Diagnostics

Replacement often requires a diagnostic tool to clear related fault codes and, in many cases, to perform sensor calibration or adaptation so the ESP system accurately interprets the new sensor’s signals. If the vehicle reports persistent errors after replacement, check connector continuity, supply voltages and any related sensors (steering angle sensor, wheel speed sensors) that can influence ESP behaviour.

Compatibility And Part Number Search

This sensor is commonly listed under multiple OEM and supplier numbers—customers often search by the part number to confirm fitment. Main references include 9649400180 and 0265005291; additional cross-reference numbers are provided in the Technical Information above. Fitment applies to specified Citroën C4, Citroën C8 II, Peugeot 307 II and Peugeot 807 II applications.

Are you looking for a reliable ESP sensor for your Citroën or Peugeot? We present a high-quality Bosch part with the code 0265005975, which is compatible with several Citroën and Peugeot vehicle models. This part is the ideal choice for your vehicle repairs, guaranteeing a safe and stable driving experience.

The ESP (Electronic Stability Program) sensor is a key component of your car’s system, helping to prevent skidding in critical situations by electronically adjusting engine power and can activate brakes on individual wheels, thereby enhancing the driver’s control over the vehicle. Replacement of the sensor may be necessary in case of malfunction due to wear or damage caused by an accident.

Technical Information:
Manufacturer: Bosch
Models: Citroën C4 B7, DS4; Peugeot 308, 508, 3008, 5008
Product Codes: 0265005975, 9811627180, 454949
Other Numbers: 9811627180

This ESP sensor has been thoroughly tested and is in very good condition, ready for reinstallation. It is suitable for models such as Citroën C4 II, Citroën C4 Picasso, DS4, and Peugeot 308, 508, 3008 I, and 5008 I, making it a flexible and cost-effective solution for various types and generations of vehicles.

The part is ideal for mechanics or DIY enthusiasts looking for a reliable replacement for the original part. Its installation is straightforward and does not require special tools, making it easy even for less experienced users. With this ESP sensor, you can expect to restore the original functionality of your stability system and significantly improve the safety of your driving.

Add this Bosch ESP sensor to your cart and ensure your vehicle will be stable and safe under all conditions. Remember, the proper functioning of the ESP system is not only about protecting your safety but also about ensuring the optimal performance of your car.

This Bosch Kinetic ESP Sensor Is Suitable For Various Stellantis Models And Is Often Searched By Part Number (9664661580, 9811627180, 0265005765, 454949). Designed As A Direct-Fit Replacement For The Vehicle Electronic Stability Program, This Sensor Supplies Critical Motion Data To The ABS/ESP Control Unit To Maintain Traction And Stability. Ideal For Professional Technicians And Experienced DIY Enthusiasts, The Unit Offers Reliable Performance When Installed Correctly And Calibrated After Replacement.

Technical Information

• Manufacturer: Bosch
• Model: Citroën C4 Picasso; Citroën C5 X7; Peugeot 308; Peugeot 3008 I; Peugeot 5008 I (And Others)
• Product Codes: 9664661580; 9811627180; 0265005765; 454949
• Additional Numbers: 265005765; 0265005765; 454949

Function

The ESP Sensor Is Part Of The Vehicle Stability System. It Measures Dynamic Vehicle Movement And Sends Data To The ABS/ESP Control Module To Help Manage Braking Distribution, Traction Control And Stability Interventions. Accurate Sensor Signals Are Essential For Proper Operation Of Stability Aids.

Installation Recommendation

• Always Disconnect The Battery Before Starting Work And Follow Manufacturer Procedures To Avoid Damage To Electronics.
• Locate The Sensor According To The Vehicle Repair Manual—Inspect Mounting Position, Connector Condition And Wiring Harness Before Removal.
• Remove The Electrical Connector And Mounting Fasteners, Replace The Sensor, Then Refit Fasteners Securely. Avoid Excessive Force On Electrical Terminals.
• After Installation, Clear Fault Codes And Perform Sensor Initialization Or Calibration As Required. Calibration With PSA Diagnostic Equipment (DiagBox/Lexia) Is Recommended To Ensure Full System Functionality.
• Check For Additional Faults In The Wiring Or Connector If The New Sensor Immediately Reports Errors.

Why The Part Most Commonly Fails

Common Causes Of Sensor Failure Include Water Ingress And Corrosion, Physical Damage From Impacts Or Accidents, Connector Oxidation, Internal Electronic Faults And Long-Term Wear. Symptoms Of A Failing Sensor Typically Include ESP/ABS Warning Lights, Unstable Traction Control Behavior, Or Stored Fault Codes Related To The Stability System.

Who Should Fit This Part

Recommended For Qualified Auto Technicians And Competent DIYers With Experience In Brake And Electronic Systems. Proper Installation And Post-Fit Calibration Are Crucial For Safe Operation Of Vehicle Stability Functions.

Additional Notes

When Searching For This Item Online, Use The OE Numbers Listed Above To Improve Compatibility Matches. Replace Faulty Sensors Promptly To Maintain Vehicle Safety Systems.

High-quality steering angle sensor designed for Citroën/Peugeot applications, optimised for reliable operation of the ABS/ESP and stability systems. This unit is commonly referenced under part numbers 0265005517, 9658684180 and 4545H8 and is a direct replacement for worn or faulty original sensors used on several Citroën models. Clear-fit installation and correct calibration restore accurate steering position information to the vehicle control units, eliminating related warning lights and steering-assist faults.

Features and Benefits

– Direct-fit replacement for OE referenced steering angle sensors, ensuring correct electrical and mechanical fit.
– Restores accurate steering position data to ABS/ESP and traction control systems.
– Improves vehicle safety and drivability by eliminating erroneous stability control interventions.
– Essential spare part for workshops and DIY mechanics who maintain Citroën C5 X7, C4 Picasso and C4 models.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Citroën C5 X7, Citroën C4 Picasso, Citroën C4
• Product Codes: 0265005517, 265005517, 9658684180, 9811627180, 4545H8
• Other Numbers: 4545.H8, 454949

How It Works

The steering angle sensor measures the rotational position of the steering column and communicates this information to safety systems such as ABS, ESP and traction control. The control units use this data to determine vehicle yaw and to intervene when slip or instability is detected. Accurate sensor data is therefore essential for predictable braking and stability behaviour.

Common Failure Modes

Steering angle sensors generally have a long service life but can fail for several reasons:

• Electrical faults or connector corrosion leading to intermittent or lost signal.
• Damage from steering column impacts or accidents that disturb the sensor or its mounting.
• Wear of internal components or encoder elements over time.
• Faults introduced during incorrect removal/installation, especially when the steering wheel/airbag is handled without proper procedure.

Replacement Frequency

There is no fixed replacement interval; the sensor is replaced when it fails or after events that may affect steering geometry (e.g., accidents). If ABS/ESP warning lights appear, or if vehicle stability systems behave unpredictably, the steering angle sensor should be inspected and, if necessary, replaced and recalibrated.

Installation Instructions

General replacement steps for experienced technicians and competent DIY mechanics:

• Park vehicle on level ground, engage the handbrake and place the front wheels straight ahead.
• Disconnect the negative battery terminal and wait at least two minutes to ensure SRS capacitors discharge.
• Remove the driver airbag and steering wheel following manufacturer safety procedures.
• Access the steering column trim and locate the steering angle sensor/clock spring assembly.
• Disconnect the sensor electrical connector and unfasten the sensor from its mount.
• Fit the new sensor in the centred position, secure mechanically and reconnect the wiring harness.
• Reassemble the steering wheel and airbag. Reconnect the battery.
• Perform steering angle sensor calibration with a suitable diagnostic tool and clear any stored fault codes. Verify ABS/ESP system operation and that no warning lights remain.

Recommended For Installation

Use correctly rated hand tools and follow vehicle manufacturer procedures when removing the airbag and steering wheel. Calibration with a compatible diagnostic tool (for PSA vehicles typically DiagBox or an equivalent professional scan tool) is required after replacement to synchronise the sensor with the vehicle control units. Failure to calibrate can result in persistent ABS/ESP faults or incorrect system behaviour.

Why This Part Is Often Replaced

Technicians most frequently replace the steering angle sensor after ESP/ABS warning lights appear, following steering column impacts, or when diagnostics show angle sensor faults. In some cases, failures become apparent after airbag service or steering wheel removal where the sensor or its alignment is disturbed.

Parts And Identification

Common reference numbers for identification and searching: 0265005517, 265005517, 9658684180, 9811627180, 4545H8, 4545.H8, 454949. When ordering, use these codes alongside the vehicle model to ensure a correct match.