Description
Electric parking brake mechanism for Citroën C4 Picasso and Grand. Tested functional. For vehicles up to 2013.
Product Overview
This replacement electric parking brake (EPB) mechanism is intended for Citroën C4 Picasso and Grand Picasso models (first generation). The unit restores automatic handbrake engagement and release managed by the vehicle’s EPB system. Commonly searched by part numbers, this assembly is ideal for professional workshops and experienced DIYers who need a direct-fit solution to replace a failed parking brake actuator.
Key Features & Benefits
- Direct-fit EPB mechanism for Citroën C4 Picasso I / Grand Picasso (up to 2013).
- Restores electric parking brake function: motor-driven actuation of the rear brake mechanism and electronic control feedback.
- Replaces worn or seized actuators that cause parking brake warning lights, inability to release/engage, or fault codes related to the EPB.
- Often searched and identified by OEM numbers—use part codes below when verifying fitment.
Technical Information
- Manufacturer: Citroën / Peugeot (Stellantis)
- Model: Citroën C4 Picasso, Citroën C4 Grand Picasso (first generation), Vehicles up to 2013
- Product Codes: 0204080070, 204080070
- Other Numbers: 9681131680, 470220, 470207
How It Works
The EPB mechanism contains an electric motor and gearbox that apply or release the parking brake via an actuator/cable (or integrated caliper mechanism depending on the vehicle configuration). It communicates with the vehicle’s braking control electronics to perform automatic parking engagements and hill-hold functions.
Common Failure Modes
Most failures are caused by a combination of mechanical wear and environmental factors. Typical reasons the unit fails:
- Seized or worn motor/gear components due to contamination or lack of lubrication.
- Cable corrosion, binding or mechanical blockage in the linkage or caliper.
- Water ingress and dirt accumulation leading to electrical or mechanical faults.
- Intermittent electrical faults or connector corrosion causing loss of communication or motor operation.
Recommended Installation Procedure
Only attempt installation if you have appropriate mechanical experience and tools. Basic replacement steps (general guidance):
- Disconnect the battery before any work to avoid short circuits and protect electronic modules.
- Raise and securely support the vehicle. Remove rear wheels to access the EPB mechanism or calipers as required.
- Remove interior or wheelarch trim where necessary to reach the actuator/control unit and electrical connector.
- Disconnect the electrical connector and any retaining clips. Unbolt the EPB actuator from its mounting points.
- Fit the new unit in the original position, secure all fasteners to manufacturer torque specs, and reconnect the electrical connector.
- Reinstall removed trims and wheels. Lower the vehicle and reconnect the battery.
- Perform EPB initialization/calibration using a diagnostic tool so the system recognises the new actuator and sets parking positions (see Coding & Calibration below).
Coding & Calibration
After installation the EPB requires initialization/calibration with an appropriate diagnostic tool to ensure correct operation (automatic park/release, ramp detection, and diagnostics). We recommend using PSA-compatible diagnostics (DiagBox/Lexia/PP2000) or a professional aftermarket diagnostic tool with EPB capability. Calibration steps typically include system reset, actuator adaptation and confirming no fault codes remain.
Installation Recommendations
- Always disconnect the battery before beginning work and follow the vehicle manufacturer’s procedures to avoid damage to electronic units.
- Inspect brake pads, calipers, cables and rear brake hardware while the unit is accessible—address any corrosion or binding to prevent repeat failures.
- Use manufacturer torque settings for mounting bolts and ensure connectors are clean and fully seated.
- If you do not have diagnostic equipment capable of EPB adaptation, have calibration performed by a workshop with PSA-compatible tools.
Why Replace Rather Than Repair
Because failures are often electrical or caused by internal gearbox wear and contamination, replacing the entire actuator assembly is usually the most reliable and time-efficient repair. Replacing the unit eliminates intermittent faults and ensures predictable calibration with the vehicle’s EPB system.
Search Terms (for SEO)
Electric parking brake Citroën C4 Picasso EPB actuator, handbrake motor 0204080070, 9681131680, 470220, EPB mechanism Citroën C4 Grand Picasso up to 2013.
