Description
Control switch for opening the rear hatch for Citroën C3 II A51 and DS3.
Replacement rear-hatch release switch designed for Citroën models, ideal for professional workshops and DIY mechanics. This compact electrical switch restores reliable opening of the tailgate/boot and is commonly searched by part number 6490CN. Manufactured to fit the original cut-out and connector layout, it provides a direct-fit alternative to worn or broken original switches and helps eliminate intermittent operation or complete failure of the hatch release.
Features & Benefits
- Direct-fit design for quick replacement without modifications.
- Compatible with original wiring plug and mounting points for straightforward installation.
- Restores reliable mechanical and electrical actuation of the tailgate release.
- Commonly referenced by part number 6490CN — useful keyword for fast searching and ordering.
Compatibility
Intended For: Citroën C3 II (A51) and Citroën DS3. Also applicable where the original equipment part number matches 6490CN. Always verify physical fitment and connector type visually before installation.
Technical Information
- Manufacturer: Stellantis (Citroën/Peugeot)
- Model: Citroën C3 II (A51); Citroën DS3
- Product Codes: 6490CN
- Other Numbers: No additional reference numbers available
Installation Recommendations
- Before starting work, disconnect the negative battery terminal to prevent short circuits and accidental actuation of electrical systems.
- Open the tailgate and carefully remove the interior trim panel using trim tools to avoid damaging clips and coverings.
- Unplug the electrical connector from the switch and release any retaining clips or screws holding the switch in place.
- Fit the new switch into the mounting aperture, secure clips/screws, reconnect the wiring and reassemble the trim in reverse order.
- Test the switch operation from both the interior and exterior before finishing; ensure the tailgate locks and unlatches correctly.
- If electrical faults persist after replacement, check wiring continuity, ground connections and the tailgate locking actuator.
Common Failure Causes
- Mechanical Wear: Frequent use causes internal contacts or levers to wear or fracture over time.
- Moisture Ingress: Water penetration into the tailgate area can corrode contacts and cause intermittent or permanent failure.
- Connector Corrosion Or Wiring Damage: Corroded pins or damaged wiring harnesses disrupt the electrical signal to the lock actuator.
- Physical Damage: Impact to the tailgate or aggressive removal of trim can break the switch housing or mounting tabs.
- Age And Environmental Exposure: UV, temperature cycles and dirt accelerate wear and contact deterioration.
Notes
Searchable Keywords: 6490CN, rear hatch switch, tailgate release switch, boot release button, Citroën C3 II switch, DS3 tailgate switch. Intended for users who need a reliable replacement part that matches factory fitment and connector layout.








