Product Overview

High-quality parking sensor designed for Citroën and Peugeot vehicles. Ideal for professional workshops and DIY mechanics needing a reliable PDC (Park Distance Control) replacement. The unit is compatible with vehicles using PSA/Stellantis electrical architecture and is commonly referenced by the part numbers listed below. Color code HZE corresponds to Tramontane finish, matching specific bumper paints.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Citroën, Peugeot (Commonly Used On: PEUGEOT 3008 I, PEUGEOT 5008 I)
• Product Codes: 9677782977, 9677782980, 6590JE
• Other Numbers: HZE (Color Code TRAMONTANE)

Function

The sensor is an ultrasonic parking aid element that detects obstacles near the vehicle bumper and sends distance information to the PDC control module. It helps the driver when maneuvering at low speeds by triggering audible alerts or dash indicators.

Replacement Procedure

Designed for straightforward replacement by experienced technicians. Typical replacement steps:

• Prepare Tools: Trim removal tools, screwdriver set, multimeter for basic electrical checks, protective gloves.
• Safety First: Disconnect the battery before starting work to prevent short circuits and protect vehicle electronics.
• Access Sensor: Remove the rear bumper trim or access panel to reach the sensor from behind the bumper. On some models the sensor can be removed through inner wheel arch liners or luggage compartment trims.
• Disconnect Connector: Release the electrical connector and remove the sensor retaining clip or housing.
• Fit New Sensor: Insert the new sensor ensuring correct orientation and secure locking. Replace the sealing rubber if available and required for watertight fitment.
• Electrical Check: Reconnect battery and test the sensor operation before full reassembly. Verify PDC warning tones and dashboard indicators are functioning.
• Final Assembly: Refit trims and bumper panels after successful functional test.

Installation Recommendations

• Ensure The Sensor Sits Flush: Proper seating in the bumper cutout prevents false readings. Use the correct retaining clips and, if provided, the sealing ring to avoid water ingress.
• Test Before Reassembly: Always test functionality with the bumper temporarily secured to avoid repeated removal.
• Protect Connectors: Clean mating surfaces and apply dielectric grease if necessary to prevent corrosion on electrical contacts.
• Use Correct Color Code: Match The Color Code HZE (Tramontane) for painted bumpers to avoid visible mismatch.

Most Common Failure Reasons

• Water Ingress: Damaged or missing sealing ring allows moisture to enter the sensor housing and corrode internal components.
• Impact Damage: Bumper collisions or knocks can physically damage the sensor element or its mounting.
• Connector And Wiring Issues: Corroded connectors, pin damage or wiring faults cause intermittent operation or total failure.
• Dirt And Contamination: Heavy buildup of mud, ice or road debris on the sensor face leads to incorrect or no detection.
• Ageing Electronics: Over time, the ultrasonic transducer or internal electronics may degrade, especially in vehicles used in harsh environments.

Notes For Professionals

When replacing sensors, always verify part numbers and color codes to ensure correct fit and finish. Some vehicle systems may require a quick functional check with diagnostic tools to confirm proper integration with the PDC control unit. For a lasting repair, replace damaged seals and inspect wiring harnesses for hidden damage after an impact.

Keywords

Parking Sensor, PDC Sensor, Citroën Parking Sensor, Peugeot Parking Sensor, 9677782977, 9677782980, 6590JE, HZE, Tramontane, PEUGEOT 3008 I, PEUGEOT 5008 I

This used Interior Air Temperature Sensor (Evaporator Probe) is suitable for a range of Citroën and Peugeot HVAC systems. Commonly referenced under part numbers 105133044B and 6445JW, the sensor monitors the temperature around the evaporator and inside the cabin to ensure accurate climate control regulation. Ideal for professional mechanics and DIY enthusiasts looking to replace a faulty cabin temperature probe on Citroën Xsara Picasso, Peugeot 206 and Peugeot 307 vehicles.

Function And Benefits

The sensor measures air temperature near the evaporator or inside the passenger compartment and feeds this data to the HVAC control unit. Accurate readings allow the climate system to regulate blower speed, compressor cycling and cabin temperature precisely. Replacing a worn sensor restores correct temperature display, improves automatic climate control response and can prevent unnecessary compressor cycling.

Symptoms Of A Faulty Sensor

• Incorrect cabin temperature reading on the climate display.
• Erratic air conditioning behavior or poor temperature regulation.
• Constant compressor engagement or failure to switch on/off properly.
• Intermittent HVAC faults or stored error codes related to interior temperature sensor.

Why This Part Fails

Failures are usually caused by moisture ingress and condensation in the evaporator area, corrosion of contacts, mechanical damage to the probe or connector, and wiring deterioration. Long-term exposure to humidity and road contaminants accelerates wear, especially in vehicles with heavy air conditioning use.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Citroën Xsara Picasso; Peugeot 206; Peugeot 307
• Product Codes: 105133044B; 6445JW
• Additional Numbers: 105133044; 6445JW

Replacement And Installation Recommendations

Location And Access: The evaporator probe is typically located in or near the evaporator housing inside the dashboard or behind the glovebox. Access usually requires removal of the glovebox or lower dash trim and possibly part of the HVAC housing. Exact location varies by model.

Step-By-Step Tips:

• Disconnect The Battery Before Starting Work To Avoid Short Circuits And Protect The Vehicle Electronics.
• Remove The Necessary Trim Or Glovebox To Reach The Evaporator Housing.
• Carefully Unplug The Electrical Connector And Remove The Old Probe From Its Holder Or Clip.
• Compare New Sensor With Old Unit For Correct Shape And Connector Type Before Installing.
• Insert The Probe Securely Into The Mounting Clip Or Grommet, Ensuring Correct Orientation.
• Reconnect The Connector Firmly; Apply A Small Amount Of Dielectric Grease If Desired To Protect Contacts From Moisture.
• Reassemble Trim Panels And Reconnect The Battery. Verify HVAC Operation And Temperature Readings.

Estimated Labor: Replacement is typically 0.5–2.0 hours depending on vehicle model and access complexity. Professional diagnostic equipment can help confirm correct operation after installation.

Search Tips For Parts And Compatibility

When searching, use the OE references 105133044B and 6445JW and include vehicle model names (Citroën Xsara Picasso, Peugeot 206, Peugeot 307) to improve results. The sensor is commonly listed under Interior Temperature Sensor, Evaporator Probe, Cabin Temperature Sensor or HVAC Probe.

Why Choose This Part

Replacing a failing interior temperature sensor is a cost-effective way to restore proper HVAC function and cabin comfort. This part is suitable for workshop replacement or competent DIY installation and is a frequent upgrade when climate control faults or incorrect temperature readings are present.

Features and Function

This climate control temperature sensor (part number 6445JW) measures the temperature inside the HVAC circuit to help the climate control unit regulate cabin comfort and compressor cycling. Proper operation of the sensor ensures stable cabin temperature, prevents unnecessary compressor engagement, and supports automatic climate functions. The unit is used on various Citroën and Peugeot models from the Stellantis family.

Application And Compatibility

Commonly fitted To: Citroën C5, Citroën Xsara Picasso, Peugeot 307. Search Keywords: 6445JW, Citroën Temperature Sensor, Peugeot HVAC Sensor.

Installation Recommendations

• Disconnect The Battery Before Starting Work To Avoid Short Circuits And To Protect Electronic Modules.
• Typical Location: Sensor Is Usually Mounted In The HVAC Housing Near The Evaporator Or In The Ducting Behind The Glovebox. Access Often Requires Removal Of Trim Or The Glovebox.
• Replacement Steps: Remove Relevant Trim/Glovebox, Unplug Electrical Connector, Release Retaining Clip Or Remove Fixing Screw, Withdraw Old Sensor And Replace O-Ring If Present, Install New Sensor, Reconnect Connector And Reassemble Interior Panels.
• After Installation: Check For Proper Connector Seating, Inspect Wiring For Damage, Run The Climate System To Confirm Correct Temperature Reading And Stable Compressor Operation.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Citroën C5; Citroën Xsara Picasso; Peugeot 307
• Product Codes: 6445JW
• Other Numbers: No Additional Numbers Known

Why The Part Most Often Fails

Failures Are Usually Caused By Moisture Ingress And Corrosion Of The Electrical Connector Or Sensor Body, Mechanical Damage During Previous Repairs, Or Degraded Internal Electronics After Many Years Of Service. Blocked HVAC Drainage Or Excessive Condensation Can Accelerate Corrosion And Lead To Erratic Readings.

Practical Tips For Mechanics And DIY Enthusiasts

• Inspect Connector Pins For Corrosion And Clean Contacts With Appropriate Electrical Cleaner If Necessary.
• Replace Any Damaged O-Rings To Ensure Proper Sealing Around The Sensor.
• When Diagnosing Intermittent Temperature Issues, Verify Sensor Voltage And Signal Lines Before Replacing Other HVAC Components.
• Keep The Work Area Dry And Ensure HVAC Drain Channels Are Clear To Prevent Recurrence.

Why Buy This Sensor

Replacing A Faulty Temperature Sensor 6445JW Restores Accurate Climate Control, Improves Comfort, And Prevents Unnecessary Compressor Cycling That Can Lead To Increased Wear. The Sensor Offers Direct Fitment To The Listed Models, Making It A Practical Choice For Professional Workshops And Confident DIYers.

This DENSO air contamination sensor monitors the quality of incoming air for the vehicle’s ventilation and climate control system. Designed for use on selected Citroën and Peugeot models, the sensor signals when outside air contains high levels of pollutants or odors so the HVAC can switch to recirculation, protecting cabin comfort and indoor air quality.

Key Features

• OEM-Grade DENSO Component Built For Automotive HVAC Applications.
• Used As A Direct Replacement For Vehicles Referencing Part Number 643617.
• Improves Cabin Comfort By Detecting External Pollutants And Supporting Automatic Recirculation.
• Compact, Electrically Driven Sensor Element With Plug-In Connector For Fast Replacement.

Benefits For Mechanics And DIY Enthusiasts

• Quick Diagnosis: Faulty Air Quality Sensors Often Cause Unintended Recirculation Or HVAC Warnings, Making Them Easy To Identify.
• Simple Swap: Accessible Location In The Fresh-Air Intake Or HVAC Ducting Allows Fast Replacement During Scheduled Service.
• Cost-Effective Repair: Replacing The Sensor Restores Correct Automatic Climate Function Without Changing The Whole HVAC Module.

Installation

General replacement steps (vehicle-specific details may vary):

1. Park The Vehicle Safely And Disconnect The Negative Battery Terminal Before Starting Work.
2. Locate The Sensor In The Fresh-Air Intake Or HVAC Ducting—commonly near The Cowl, Air Intake Duct, Or Inside The Engine Bay Close To The Windshield Area.
3. Unplug The Electrical Connector And Remove Any Fasteners Or Clips Holding The Sensor.
4. Fit The New Sensor In The Correct Orientation, Secure Fasteners To Specified Torque, And Reconnect The Connector.
5. Reconnect The Battery, Clear Any HVAC Fault Codes With A Diagnostic Tool, And Verify Proper Operation By Observing Automatic Recirculation Behavior During A Drive Test.

Recommended To Consider

Always Keep Connectors Clean And Dry. Protect The Sensor From Direct Water Jets During Engine Bay Cleaning. If Fault Codes Persist After Replacement, Inspect Wiring Harness And Connector For Corrosion Or Damage.

Why The Part Fails Most Often

• Contamination From Dust, Road Debris, Or Exhaust Particles Can Coat The Sensor Element And Degrade Readings.
• Moisture Ingress Or Corroded Electrical Contacts Causes Intermittent Signals Or Complete Failure.
• Physical Damage During Previous Repairs Or From Impact To The Air Intake Area.
• Age-Related Drift Of The Sensing Element Leading To Incorrect Pollutant Detection.

Typical Service Life

There Is No Fixed Replacement Interval. Service Life Depends On Driving Conditions And Exposure To Contaminants; Sensors Often Provide Many Years Of Service Under Normal Conditions, With Failures Occurring More Frequently In Harsh Or Polluted Environments.

Technical Information

• Manufacturer: DENSO
• Model: Citroën C4 Picasso; Selected Citroën And Peugeot Models
• Product Codes: 643617, NFP
• Other Numbers: Stellantis Reference 643617

Mounting Recommendations

• Use Appropriate Trim Tools To Avoid Damaging The Surrounding Plastic Panels When Accessing The Sensor.
• Ensure The Connector Locks Fully And That Pins Are Straight And Corrosion-Free.
• After Installation, Clear HVAC Faults And Confirm Sensor Output With A Diagnostic Tool Where Possible.
• If The Vehicle Shows Persistent HVAC Behavior Issues After Replacement, Inspect The Intake Ducting For Blockages Or Leaks.

Why Choose This Part

If Your Vehicle Uses The 643617 Reference, This DENSO Air Contamination Sensor Is A Practical Solution To Restore Correct Automatic Climate Control Operation, Reduce Unwanted Fresh-Air Intake During Pollution Events, And Improve Overall Cabin Comfort.

This side impact (lateral acceleration) sensor is designed for Citroën and Peugeot airbag systems and is referenced under OE numbers 9665730180 and 8217G3. It provides reliable detection of lateral forces to trigger side and curtain airbags in case of a collision. Commonly searched by product codes 9665730180 and 8217G3, this sensor is a direct-fit replacement for a range of Stellantis models and is aimed at professional mechanics and DIY technicians performing safety system repairs.

Technical Information

• Manufacturer: Stellantis
• Model: Citroën C4 II, DS4, Peugeot 508
• Product Codes: 9665730180, 8217G3
• Additional Numbers: 8217G3

Fitment And Compatibility

Intended for use on selected Citroën and Peugeot models, including Citroën C4 II, DS4 and Peugeot 508. Compatibility is often confirmed by the OEM part number (9665730180 / 8217G3). Always compare the physical connector and mounting position with the original part before installation.

Function

The sensor measures lateral acceleration and impact forces and sends a signal to the airbag control module to determine whether side or curtain airbags should be deployed. Accurate and fast detection is critical for occupant protection during side collisions.

Replacement Procedure

• Disconnect the vehicle battery and wait the manufacturer-recommended time to avoid accidental airbag deployment.
• Remove interior trim panels or door trims to access the sensor (location varies by model: commonly found in the door, B-pillar area, or seat mount).
• Unplug the electrical connector and unbolt the sensor from its bracket.
• Install the replacement sensor in the exact mounting orientation; torque fasteners to manufacturer specifications.
• Reconnect the connector and reassemble trim. Reconnect the battery and clear any diagnostic codes with an appropriate diagnostic tool.

Installation Recommendations

• Always disconnect the battery before starting work and follow manufacturer safety procedures to prevent accidental airbag deployment.
• Handle the sensor and connector carefully—do not drop the sensor or damage the mounting bracket.
• Maintain correct sensor orientation and secure mounting; incorrect positioning can prevent proper activation.
• After fitting, use a diagnostic scanner to reset airbag fault codes and verify system status. If airbag warnings persist, recheck connections and mounting.
• Use only original-equivalent fasteners and avoid overtightening to prevent sensor damage.

Why This Part Most Commonly Fails

Side impact sensors can fail or become unreliable for several reasons: physical damage from previous collisions, corrosion or water ingress into connectors, wiring harness damage, or mechanical loosening of the mounting. After any deployment or significant side-impact event the sensor should be inspected and typically replaced, as its accuracy and safety function may be compromised.

High-quality Sun Radiation Sensor (Part No. 6445V6) designed for Citroën and Peugeot climate control systems. This sensor measures incoming solar radiation and provides the data the automatic climate control needs to adjust blower speed, blend doors and air conditioning output for consistent cabin comfort. Ideal for professional workshops and DIY mechanics who need a reliable replacement part that restores correct automatic HVAC behaviour. Common search terms: Sun Sensor, Solar Sensor, Sunlight Sensor, Citroën Sun Sensor, Peugeot Sun Sensor, 6445V6.

Key Benefits

– Restores Automatic Climate Control Functionality: Ensures the HVAC system properly compensates for direct sunlight and prevents overheating or overcooling of the cabin.
– Simple Swap: Designed as a direct replacement for the original sensor housing and connector (check product codes).
– Workshop-Friendly: Useful for technicians troubleshooting intermittent automatic HVAC faults related to solar input.

Typical Fitment

This sun sensor is commonly fitted to Peugeot 406 and is compatible with a range of Citroën and Peugeot vehicles from the same Stellantis platforms and generations. Always verify the part number (6445V6) against the existing unit in the vehicle before ordering.

Technical Information

• Manufacturer: Stellantis / Citroën / Peugeot
• Model: Peugeot 406 (and selected Citroën and Peugeot models)
• Product Codes: 6445V6
• Other Numbers: NFP (as indicated in source information)

Replacement Procedure (Overview)

1) Locate the sensor on the top of the dashboard near the windshield, typically in the centre above the instrument panel or infotainment area.
2) Remove the dashboard trim pieces with plastic trim tools to avoid damage.
3) Unplug the electrical connector from the sensor and release any retaining clips.
4) Remove the old sensor and install the new unit in the same orientation; ensure it sits flush and the connector is fully engaged.
5) Reassemble trim and verify automatic climate control operation (use A/C automatic mode and observe blower response to direct sunlight).

Installation Recommendations

– Use Plastic Trim Tools: Prevent scratches and broken clips when removing dash trim.
– Handle Sensor Carefully: Avoid touching or scratching the sensor dome/optics—contamination can degrade performance.
– Check Connector Condition: Inspect for corrosion or damaged pins; clean contacts if necessary before installation.
– Secure Routing: Ensure wiring is not pinched by trim and retains correct routing to avoid future electrical faults.
– Functional Check: After fitting, test the climate system in automatic mode and verify changes in blower speed when shading/unshading the sensor.

Why This Part Fails Most Often

– Environmental Exposure: Prolonged UV exposure, heat cycles and temperature extremes can degrade the sensor element or its housing.
– Moisture Ingress: Water or condensation reaching the connector or sensor body causes corrosion and intermittent or permanent failure.
– Mechanical Damage: Impact, improper removal or dashboard repairs can crack the sensor or damage its electrical connector.
– Age-Related Degradation: Over many years the sensor sensitivity can drift, resulting in incorrect automatic HVAC responses.

Practical Notes for Mechanics and DIYers

This part is a frequently replaced item when owners report the HVAC system running too aggressively or not compensating for strong sunlight. Replacement is straightforward for a trained technician or an experienced DIYer with basic trim tools. Keep the part number 6445V6 handy when locating the correct replacement unit and when searching catalogs or spare-part listings.

This AFIL lane monitoring sensor (No. 2) is a direct-fit component for a range of Citroën and Peugeot models and is frequently searched by its OE numbers. It Restores The Lane Departure Functionality Of Vehicles Equipped With AFIL Systems, Helping Maintain Safety Features Used Daily By Drivers. The Part Is Intended For Professional Workshops And Experienced Do-It-Yourself Mechanics Who Are Familiar With ADAS Components.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: AFIL Lane Departure Sensor No. 2
• Product Codes: 9659847280, 6590W1
• Other Numbers: 603.012

Compatibility

Fits Various Citroën And Peugeot Models Including (Non-Exhaustive List):

• Citroën C4
• Citroën C4 Picasso
• Citroën C5
• Citroën C5 X7
• Citroën C6
• Peugeot 308
• Peugeot 407

Installation Recommendations

• Always Work Safely: Disconnect The Battery Before Starting Work On Electrical Or ADAS Systems.
• Accessing The Unit: The Sensor Is Typically Mounted Near The Wheel Arch Or Inner Fender Area. Remove The Wheel Arch Liner Or Trim Panels To Reach The Mounting Point.
• Dealing With A Seized Screw: If The Mounting Screw Is Corroded Or Seized, Carefully Drill Out Or Extract The Fastener. Use Appropriate Tools To Avoid Damaging The Housing Or Surrounding Bodywork.
• Electrical Connections: Inspect And Clean Connectors Before Reassembly. Ensure Seals And Wiring Harness Are Intact And Free From Moisture.
• Reassembly And Checks: Refit The Sensor Securely And Use Manufacturer Torque Values Where Available. After Installation, Verify System Operation Through The Vehicle’s Self-Checks And Perform ADAS Recalibration Or Diagnostics If Required.

Most Common Failure Reasons

• Corrosion And Seized Fasteners Caused By Road Moisture And Salt Leading To Difficult Removal And Potential Damage.
• Impact Or Mechanical Damage From Road Debris Or Minor Collisions Affecting Sensor Alignment Or Housing.
• Electrical Connector Corrosion Or Wiring Harness Damage Resulting In Intermittent Or Complete Failure.
• Internal Electronics Degradation Due To Moisture Ingress Or Ageing Components Affecting Sensor Performance.

Searchable OE Numbers Such As 9659847280 And 6590W1 Make This Part Easy To Find When Replacing AFIL Components. For Professional Results, Follow Proper Removal Techniques For Seized Fasteners And Complete Any Required System Calibration After Fitment.

The AFIL lane monitoring sensor is a critical component of the lane departure / lane keeping assistance systems fitted to many Citroën and Peugeot models. Supplied under OEM references 9663116580 and 6590W1, this sensor monitors vehicle position relative to lane markings and provides input to the vehicle electronic systems that warn or assist the driver when the vehicle drifts from its lane. The unit is commonly searched for by its product codes, so listing 9663116580 and 6590W1 in your enquiry will speed up identification.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Citroën C4, Citroën C4 Picasso, Citroën C5, Citroën C5 X7, Citroën C6, Peugeot 308, Peugeot 407
• Product Codes: 9663116580, 6590W1
• Additional Numbers: 6590 W1, 9663 116 580 (variants and spacings may be used in catalogs)

Installation Recommendations

Recommended for experienced technicians or competent DIYers. Before starting, follow general safety procedures: isolate the vehicle electrical system according to manufacturer guidance. Typical replacement steps:

• Park the vehicle on a level surface and secure it. If required, remove the relevant wheel to improve access.
• Remove the inner wheel arch liner or bumper trim to reach the AFIL unit mounted near the wheel arch or front structure.
• Disconnect the electrical connector from the sensor. Inspect the plug and wiring for corrosion or damage.
• Remove the mounting fastener. If the screw is seized or rusted (a common issue), it may be necessary to drill it out carefully as noted in the original description.
• Fit the new sensor, secure it to the body using appropriate hardware, reconnect the electrical connector and reassemble trims.
• After replacement, perform the vehicle’s ADAS self-check and recalibration procedures where required by the manufacturer to ensure correct lane detection performance.

Most Common Failure Causes

• Corroded or Seized Mounting Screw: Prolonged exposure to road salt and moisture often seizes the fastener holding the unit to the wheel arch; drilling out the screw is frequently required.
• Water Ingress And Corrosion: Moisture can penetrate the connector or housing, causing intermittent faults or total failure.
• Mechanical Damage: Impacts to the bumper or wheel arch area can misalign or damage the sensor.
• Electrical Faults: Damaged wiring, poor connectors or short circuits lead to communication errors with the vehicle ECU.

This AFIL sensor (OE 9663116580 / 6590W1) is a direct search term for workshops and self-repairers looking to restore lane monitoring functionality on the listed Citroën and Peugeot models. Clear identification by product code reduces installation time and helps ensure you order the correct unit for efficient replacement.

This AFIL (Lane Departure/Lane Keeping) sensor is a direct-fit safety component used on a range of Citroën and Peugeot models. Ideal for professional workshops and experienced DIY mechanics, the unit restores proper lane-monitoring function and eliminates error codes related to AFIL channel 4. Common search terms and part numbers associated with this item (9663116280, 6590W1) make it easy to find in parts catalogs and diagnostic listings.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Citroën C4, Citroën C4 Picasso, Citroën C5, Citroën C5 X7, Citroën C6, Peugeot 308, Peugeot 407
• Product Codes: 9663116280, 6590W1
• Other Numbers: 603.012

Compatibility is based on the listed part numbers and model families. Always confirm the part number stamped on the old sensor before ordering to ensure identical fit and connector type.

Function

The AFIL sensor monitors lane position and supplies data to the vehicle’s lane departure/assist system. When functioning correctly it helps detect unintentional lane drift and supports driver-warning or corrective systems. Faulty AFIL sensors typically trigger fault codes and can disable lane-assist features.

Installation Recommendations

Recommended for installation by trained mechanics or competent DIYers with basic electrical and bodywork skills. Typical replacement steps:

• Disconnect the vehicle battery before starting to avoid short circuits.
• Remove inner wheelarch liner or relevant trim to access the sensor mounting.
• Unplug the sensor electrical connector and remove mounting fasteners. Note: The mounting screw may be seized or corroded—drilling out the screw or carefully extracting it may be required (as noted in the original technical comment).
• Fit the new sensor, secure with appropriate hardware, reconnect the plug, and reassemble trim.
• Perform a diagnostic scan and, if required, calibrate or initialise the lane-assist system with a suitable diagnostic tool to clear codes and confirm correct operation.

Why This Part Fails Most Often

Typical failure causes include corrosion and water ingress at connectors, mechanical damage from impacts, wiring or connector deterioration, and seized mounting screws due to rust. Environmental exposure and road debris accelerate wear. There is no fixed replacement interval—replace the sensor when fault codes appear or when lane-assist warnings are present.

Replacing a faulty AFIL sensor restores lane-monitoring performance, prevents warning lights and error codes, and ensures that the vehicle’s safety assists operate as designed. Keep the part numbers handy (9663116280 / 6590W1) to speed up ordering and verification in parts lists.

This AFIL (Lane Monitoring) sensor is an OEM-style replacement for selected Citroën and Peugeot models. Ideal For Professional Workshops And Experienced DIYers, It Carries Key Part References (9653381180, 6590W1) Often Used When Searching Online Or In Parts Catalogs. The Sensor Monitors Lane Position And Feeds Data To The Driver Assistance System; Replacing A Faulty Unit Restores Reliable Lane Keeping Alerts And Helps Clear Related Fault Codes.

Designed For Direct Fitment Where The Mounting And Electrical Connector Match Factory Locations. Typical Uses Include Repair After Impact, Water Ingress, Or Electrical Connector Corrosion. Listing Commonly Used Part Numbers In The Description Improves Searchability And Makes It Easier For Technicians To Find The Correct Component.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Citroën C4; Citroën C4 Picasso; Citroën C5; Citroën C5 X7; Citroën C6; Peugeot 308; Peugeot 407
• Product Codes: 9653381180; 603.013; 6590W1
• Other Numbers: 6590W1 | 9653381180

Installation Recommendations

Follow Safe Workshop Practice And Use Proper Tools. Recommended Steps For Replacement:

1. Disconnect The Battery Before Starting To Avoid Short Circuits Or Unwanted Airbag/ECU Messages.
2. Remove The Wheel Arch Liner Or Trim To Access The Sensor Mounting Point.
3. Unplug The Electrical Connector And Inspect For Corrosion Or Damaged Pins.
4. If The Fixing Screw Is Seized, Apply Penetrating Oil And Attempt To Remove. If The Screw Is Fully Seized, Carefully Drill Or Extract The Fastener While Protecting The Surrounding Plastic And Wiring.
5. Fit The Replacement Sensor Using Original Fasteners Or Suitable Replacements. Tighten Fasteners To Manufacturer Recommendations.
6. Reconnect The Connector, Refit The Wheel Arch Liner, Reconnect The Battery.
7. Clear Fault Codes And, If Required, Perform A System Check Or Recalibration With A Diagnostic Tool To Ensure Proper Operation Of The Lane Keeping System.

Most Common Causes Of Failure

• Corrosion And Seized Fixings: Road Salt And Moisture Often Cause The Mounting Screw To Seize, Making Removal Difficult.
• Water Ingress Or Connector Corrosion: Moisture Can Cause Intermittent Electrical Faults Or Complete Loss Of Signal.
• Physical Damage: Impacts From Road Debris Or Minor Collisions Can Misalign Or Damage The Sensor Unit.
• Wiring Harness Damage: Abrasion Or Broken Wires Between The Module And The ECU May Trigger Faults.
• Environmental Wear: Long-Term Exposure To Salt, Dirt, And Vibration Reduces Component Reliability.

For Workshop Efficiency: Keep Replacement Part Numbers To Hand (9653381180, 6590W1), Inspect The Connector And Harness During Installation, Use Penetrating Fluid For Seized Screws, And Always Verify System Operation With A Diagnostic Tool After Fitting.