Description
Driver’s window switch for Citroën C4 Picasso and Grand Picasso first generation. With Mirror Folding function for the vehicle. Original fully functional used part. May show signs of wear.
Product Overview
This original driver door control switch is a direct-fit replacement for first generation Citroën C4 Picasso and Grand C4 Picasso models. The unit provides master control of the electric windows, central locking interlock for passenger switches and includes the integrated mirror folding function. Ideal for professional workshops and experienced DIYers who need a reliable OEM switch with the correct electrical interfaces and mounting points.
Key Benefits
- OEM Fitment: Direct replacement designed to match original Citroën electrical connectors and mounting points.
- Integrated Mirror Folding: Allows remote folding of exterior mirrors from the driver’s door unit.
- Cost-Effective Solution: Restores full functionality of window and mirror control without replacing whole door loom or module.
- Used But Functional: Unit is fully operational and suitable for immediate installation; may show cosmetic wear consistent with prior use.
Technical Information
- Manufacturer: Stellantis / Citroën
- Model: Citroën C4 Picasso (First Generation), Grand C4 Picasso (First Generation)
- Product Codes: 96639383ZD, 6554YH
- Other Numbers: N/A
Function And Applications
The switch serves as the master control for the driver’s window and controls the operation of the remaining door windows. It also includes a dedicated control for folding the exterior mirrors (electro-fold function). The unit transmits driver inputs to the relevant window motors and mirror actuators via the vehicle’s wiring harness and door connectors.
Typical Faults And Causes
Window switches commonly fail due to electrical contact wear, ingress of moisture or dirt, and mechanical abrasion of the rocker or microswitches. Symptoms include intermittent or non-functioning window operation, stuck or unresponsive mirror folding, or complete loss of control from the driver door panel. Faults are often caused by spilled liquids, long-term dirt accumulation, or worn internal contacts after many cycles.
Replacement Guide
Overview of Replacement Steps (Summary):
- Disconnect Battery: Always disconnect the vehicle battery before starting work to avoid short circuits and accidental airbag deployment.
- Remove Door Trim: Carefully remove the inner door panel retaining clips and screws to access the switch housing.
- Unplug Connector: Release the electrical connector(s) from the switch module, noting any retaining tabs.
- Replace Switch: Remove the old switch from the door trim or mounting bracket and fit the replacement, ensuring correct orientation and secure fastening.
- Test Functionality: Reconnect the battery temporarily and test all window and mirror folding functions before reassembling the door trim.
- Reassemble Door Trim: Once proper operation is confirmed, refit the door trim and torque any fasteners to manufacturer specification.
Installation Recommendations
- Recommended For: Professional Mechanics And Experienced DIYers Comfortable With Door Trim Removal And Electrical Connectors.
- Precautions: Always Disconnect The Battery Before Removing The Switch. Handle The Connector Pins Carefully To Avoid Bending Or Corrosion.
- Testing: Verify Window Operation, Auto-Raise/Auto-Lower (If Equipped) And Mirror Folding Function Before Final Assembly.
Why The Part Fails Most Often
Most failures stem from wear of the internal electrical contacts after extended use, contamination by dust or liquids, and mechanical wear of the switch actuators. Mirror folding circuits can also be affected by separate motor or wiring faults, so confirm the mirror actuator and wiring integrity when diagnosing.
Compatibility Note
Fits First Generation Citroën C4 Picasso And Grand C4 Picasso Models. Confirm Part Numbers 96639383ZD / 6554YH Match Your Requirement Before Installation.
