Description
Electronic Parking Brake Switch For Citroën C4 Picasso (Up To 2013), DS4 And Peugeot 3008, 5008. New Part – Aftermarket
This electronic parking brake switch is a direct-fit aftermarket replacement designed for Citroën and Peugeot vehicles equipped with an electric handbrake system. Ideal for professional mechanics and DIY enthusiasts, the unit restores reliable control of the electronic parking brake and eliminates common faults such as warning lights, failed engagement or inability to release the brake.
Features
- Direct-fit replacement for affected Citroën and Peugeot models
- OE-style electrical connector for reliable signal transmission
- Compact design for simple installation behind center console trim
- Aftermarket new part, supplied ready for installation
Compatibility
Designed For Use On:
- Citroën C4 Picasso (models up to 2013)
- Citroën DS4
- Peugeot 3008 I (First Generation)
- Peugeot 5008 I (First Generation)
Function
The switch operates as the driver interface for the Electronic Parking Brake (EPB) system. When activated, it sends the command to the vehicle control module to engage or release the electric parking brake actuators at the rear wheels. A correctly working switch ensures safe parking, hill-hold performance and prevents parking brake warning faults.
Replacement Procedure
- Park the vehicle on a flat surface and apply appropriate safety measures.
- Disconnect the negative battery terminal before starting work.
- Remove center console trim or surrounding bezel to access the EPB switch (trim tools recommended to avoid damage).
- Unplug the electrical connector from the old switch and remove any retaining screws or clips.
- Fit the new switch, secure fastenings and reconnect the electrical connector.
- Reinstall trim pieces, reconnect the battery and perform a system check.
- After installation, carry out EPB initialization or system check using a diagnostic tool or follow the vehicle service manual procedure to ensure proper calibration.
Why The Part Most Commonly Fails
- Electrical Contact Wear Or Oxidation: Frequent use and moisture ingress can degrade switch contacts, causing intermittent function or failure.
- Mechanical Wear: Repeated actuation and harsh handling of trim can damage the switch mechanism or mounting points.
- Connector Or Wiring Issues: Corroded pins or damaged wiring can interrupt the signal to the EPB control module, producing warning lights or fault codes.
- Symptoms Of Failure: Illuminated parking brake or ABS/ESP warning lights, Inability To Engage/Release The Parking Brake, Intermittent Operation.
Technical Information
- Manufacturer: Aftermarket (Compatible With Citroën/Peugeot)
- Model: Electronic Parking Brake Switch / EPB Switch
- Product Codes: 9666405677, 470706, 470703
- Other Numbers: No Additional Numbers Provided
Installation Recommendations
Always Disconnect The Battery Before Starting Work. Use Proper Trim Tools To Avoid Damaging Interior Panels. After Fitting The New Switch, Perform A Full System Check And, If Necessary, An EPB Initialization Using A Suitable Diagnostic Scanner Or Follow The Manufacturer’S Service Procedure To Avoid Fault Codes.
