Description
Electric parking brake mechanism for Citroën C4 Picasso and Grand. Tested functional. Up to year 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
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.
