Description
Multifunction display for Citroën C4 B7. Some functions may need to be configured to the vehicle using diagnostic equipment. Tested, fully functional.
Restore clear, reliable driver information and radio display functions with this multifunction display for the Citroën C4 II (B7). Ideal for professional workshops and experienced DIY mechanics, this unit matches common PSA display platforms (6155HW / 6155HX) and is often searched for by part numbers 9665334380 or 9836586580. The display provides sharp readout and full integration with the vehicle’s infotainment and instrument systems when correctly fitted and, where required, coded to the car.
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: Citroën C4 II (B7)
- Product Codes: 9665334380, 9836586580, 6155HW, 6155HX
- Additional Numbers: 6155HX
Installation Recommendations
- Always disconnect the battery before starting work and follow the vehicle manufacturer’s removal/installation procedures to avoid damage to the unit.
- Carefully remove the fascia and trim panels to access the display; retain all screws and clips for reassembly.
- Disconnect the display connectors by gently releasing the locking clips—do not pull on wires.
- Fit the replacement display, reconnect connectors and reassemble trim. Check all mechanical fittings for correct seating to avoid vibration-related faults.
- Some features may require coding or configuration to the vehicle using PSA diagnostic tools (e.g. DiagBox/Lexia). If functions are not available after installation, run the appropriate vehicle-specific programming procedures.
Why This Part Commonly Fails
- Backlight or LED driver failure causing dim or dark screen.
- Dead pixels, vertical/horizontal bands or display distortion from panel aging or thermal stress.
- Moisture ingress or connector corrosion leading to intermittent operation or complete failure.
- Damaged ribbon cables or connector pins from rough removal/installation.
- Software glitches or corrupted firmware that can require reinitialization or reprogramming.
Notes for Professionals and DIYers
This unit is commonly identified and ordered by its part numbers. Ensure you match the part codes listed above to the unit being replaced. Proper handling and correct electrical connections are essential—avoid static discharge and power surges during installation. After fitting, verify all display functions (menu navigation, backlight, sensor/inputs where applicable) and perform any required diagnostic configuration.
