Description
Electric sunroof motor (sliding roof) for Citroën C4 Picasso vehicles
High-quality BOSCH electric sunroof motor designed for Citroën C4 Picasso models equipped with an electric sliding/tilt roof. This replacement motor carries OEM references commonly searched by technicians and DIY enthusiasts: 0390200072, 8401NC, 1607362980 (also referenced as 390200072). Ideal for workshops and home mechanics who need a reliable motor to restore smooth opening and closing of the panoramic sunroof. Clear part-number listing increases discoverability and helps you find the exact spare for your repair job.
The motor drives the sunroof mechanism that moves the glass panel along its rails and controls the tilt function. Typical symptoms that indicate a failed sunroof motor include no movement, intermittent operation, grinding or clicking noises, slow travel, or the sunroof stopping mid-travel. In many cases the motor is replaced together with inspection or renewal of the sliding cables and guide rails to ensure long-term trouble-free operation.
Installation Recommendations
Recommended for fitment by experienced technicians or competent DIY mechanics. Basic replacement steps: disconnect the battery before starting work; remove the headliner trim around the sunroof opening; unbolt and remove the sunroof glass if required to access the motor; disconnect the electrical connector; unfasten the motor from the drive assembly and fit the new unit; reconnect the wiring and reassemble in reverse order. After installation, test the full travel and auto-close functions, checking for smooth movement and correct alignment. Inspect and clean the drainage channels and lubricate guide rails with an appropriate light grease. Follow Citroën service procedures for safe handling of interior trim and glass.
Technical Information
- Manufacturer: Bosch
- Model: Citroën C4 Picasso (vehicles with factory Electric Sunroof)
- Product Codes: 0390200072, 8401NC
- Other Numbers: 1607362980, 390200072
- Electrical System: 12 V (vehicle standard)
- Category: Electrical Components | Electric Motors
Common Causes Of Failure
Sunroof motors commonly fail due to mechanical wear (worn brushes or internal gears), water ingress and corrosion from clogged drainage channels, blocked or misaligned guide rails that overload the motor, or electrical faults such as damaged connectors or short circuits. Frequent stops caused by obstructions or heavy contamination accelerate wear. Regular maintenance of rails and drains reduces the risk of premature failure.
Why Choose This Part
OEM Bosch quality ensures compatibility with original mounting and electrical connections, offering reliable performance and fit. Using the correct part numbers (0390200072, 8401NC, 1607362980) makes ordering straightforward and reduces downtime. Suitable for mechanics who require a direct-replacement motor to restore factory operation of the Citroën C4 Picasso sunroof.







