Description
Radio And Trip Computer Display For Citroën C4 First Series.
Replacement display unit for the radio and trip computer designed for Citroën C4 first generation. This unit is commonly searched by part numbers 9664222180 and 6155FX (also referenced as 6155GX, 6155FW). Ideal for Professional Mechanics And Experienced DIYers who need a direct-fit display to restore readability and functionality of the dash information system. The display restores essential functions such as radio information, clock, trip computer readouts and on-screen status icons, improving driver feedback and safety.
Key Benefits
- Direct Fit For Citroën C4 I With Original Connector Layout
- Restores Radio And Trip Computer Readability
- Often Found By Part Number Searches 9664222180 / 6155FX
- Useful For Garage Repairs, Bodyshop Replacements And In-Depth Dashboard Restorations
How Replacement Works
Replacement Is Straightforward For Workshops: After ensuring the Vehicle Is Secure And The Battery Is Disconnected, remove the trim pieces around the center dash, undo the mounting screws or clips securing the display module, carefully unplug the ribbon and power connectors and swap the units. Before reassembly, test All Functions Including Radio Display, Clock, And Trip Computer Messages To Confirm Proper Operation.
Installation Recommendations
- Always Disconnect The Battery Before Starting Work To Avoid Short Circuits Or Damage To Electronic Components.
- Use Appropriate Trim Tools To Avoid Breaking Clips And To Protect Interior Surfaces.
- Take Care With Ribbon Cables And Connectors; Do Not Bend Or Crease Flex Cables Excessively.
- Test The New Display Before Final Reassembly To Ensure All Icons, Backlight And Communication With The Head Unit Or BCM Are Functional.
- If The Display Does Not Power On Or Shows Partial Information, Recheck Connector Seating And Fuse Circuits Related To The Infotainment/Instrument System.
Why The Part Typically Fails
Display Failures On Citroën C4 First Generation Are Most Common On Older Vehicles Due To Prolonged Exposure To Heat, Temperature Cycles And Moisture. Typical Faults Include Backlight Loss, Dim Or Dead Pixels, Intermittent Connections In Ribbon Cables, Corroded Connector Pins And Solder Joint Failures On The Display PCB. Mechanical Damage From Accidents Or Improper Removal Can Also Cause Permanent Failure.
Practical Tips For Diagnosis
- Confirm Power And Ground At The Unit Before Replacing The Display To Avoid Replacing A Good Part.
- Intermittent Problems Often Point To Connector Or Solder Issues Rather Than The LCD Panel Itself.
- When Replacing The Unit, Keep The Old Part For Reference On Connector Types And Mechanical Fixings.
Technical Information
- Manufacturer: Citroën (Stellantis)
- Model: Citroën C4 First Generation (C4 I)
- Product Codes: 9664222180, 6155FX
- Other Numbers: 6155GX, 6155FW
Keywords For Search Engines And Workshops: Citroën C4 Display, 9664222180, 6155FX, Radio Display, Trip Computer Display, Dashboard Display Replacement, C4 I Display.
