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):

1. Disconnect the battery before any work to avoid short circuits and protect electronic modules.
2. Raise and securely support the vehicle. Remove rear wheels to access the EPB mechanism or calipers as required.
3. Remove interior or wheelarch trim where necessary to reach the actuator/control unit and electrical connector.
4. Disconnect the electrical connector and any retaining clips. Unbolt the EPB actuator from its mounting points.
5. Fit the new unit in the original position, secure all fasteners to manufacturer torque specs, and reconnect the electrical connector.
6. Reinstall removed trims and wheels. Lower the vehicle and reconnect the battery.
7. 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.

High-quality replacement electric parking brake (EPB) mechanism designed for Citroën/Peugeot platforms produced under Stellantis. Engineered for workshop fitment and reliable everyday use, this unit restores automatic parking brake operation, eliminates warning lights and fault codes related to the EPB system, and is suitable for professional mechanics and experienced DIYers. Commonly searched by product numbers, the unit listed here matches multiple OE references for C4 Picasso models up to 2013.

Technical Information

Manufacturer: Stellantis / Citroën (Stellantis Citroën Peugeot)

Model: Citroën C4 Picasso, Citroën C4 Grand Picasso (up to 2013)

Product Codes: 0204280099, 9684898480

Other Numbers: 470207, 470220

Compatibility And Fitment

This EPB mechanism fits Citroën C4 Picasso and Grand Picasso models produced until 2013. Compatibility is most often confirmed by matching the OE/product numbers printed above. The unit is intended for the rear brake assembly and replaces the electric handbrake actuator/mechanism originally fitted to these vehicles.

Function And Common Faults

The electric parking brake mechanism engages and releases the rear parking brake electronically, replacing a manual lever or cable system. It provides parking brake actuation via an electric motor and gearbox or actuator assembly integrated with the rear caliper or parking mechanism. Typical symptoms of a failing unit include persistent EPB or handbrake warning lights, inability to engage or release the parking brake, abnormal motor noise during operation, or stored fault codes in the ABS/EPB ECU.

Most Common Causes Of Failure:

• Corrosion and moisture ingress leading to seized gears or damaged electrical connections.
• Motor wear or gearbox fatigue after extended use or high mileage.
• Contamination from brake dust or road debris causing mechanical binding.
• Electrical connector corrosion or intermittent wiring faults.

Replacement And Installation

Recommended for professional installation. Basic replacement steps (summary):

• Park the vehicle on a level surface, apply wheel chocks and lift the vehicle safely. Use axle stands and follow all safety procedures.
• Disconnect the negative battery terminal before beginning work to avoid electrical damage and unintended EPB activation.
• Remove the rear wheel and inner trim to access the parking brake actuator or caliper assembly.
• Disconnect the electrical connector to the EPB actuator and unbolt the actuator assembly from the caliper or mounting bracket.
• Fit the replacement unit, torque mounting fasteners to manufacturer specifications, and reconnect the electrical connector.
• Reinstall wheel and lower the vehicle.
• Perform EPB initialization/calibration with a suitable PSA diagnostic tool (DiagBox/Lexia) or equivalent diagnostic equipment to clear fault codes and ensure proper operation.

Installation Recommendations

Use proper lifting equipment and workshop tools. Tighten fasteners to OEM torque values and ensure connectors are clean and fully engaged. After installation, run a full EPB cycle and a diagnostic scan to confirm the absence of faults and to perform any required adaptation or calibration. If the vehicle shows any ABS/EPB-related fault codes, address those before returning the vehicle to service.

Why This Part Fails Most Often

The unit typically fails due to environmental exposure (water, salt, road grime) that causes corrosion and mechanical seizure, or due to long-term motor and gearbox wear. Vehicles used frequently in stop-and-go traffic or in harsh climates are more prone to EPB wear. Regular inspection and avoiding high-pressure washing near the brake area can extend service life.

Order this electric parking brake mechanism by the OE/product codes above to ensure correct fitment for Citroën C4 Picasso and Grand Picasso models up to 2013. Designed for reliable restoration of EPB functionality in workshop and DIY repairs.