Description
Radio Control On Steering Wheel For Citroën And Peugeot Vehicles
This steering wheel radio control assembly is a practical replacement part for Citroën and Peugeot vehicles, improving in-car ergonomics by restoring convenient audio, phone and menu control at the driver’s fingertips. Partially used units bearing the product code 4112FA are commonly sought by mechanics and DIY enthusiasts when buttons become unresponsive or intermittent. The compact design fits into the steering wheel switch cluster and connects to the factory wiring harness, offering an economical repair option to avoid replacing more expensive components.
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: Citroën C4 I; Citroën C4 Picasso; Citroën C4 Grand Picasso; Citroën Xsara Picasso (also Fits Similar Citroën/Peugeot Variants)
- Product Codes: 4112FA
- Additional Numbers: NFP
Function
The unit provides tactile control of the radio and infotainment features directly from the steering wheel: volume adjustment, track/station selection, source switching and phone functions where supported. It interfaces with the vehicle’s audio system via the steering column wiring and delivers user input to the head unit or CAN bus, depending on the vehicle’s configuration.
Fitment And Replacement
Replacement typically requires removal of the steering wheel trim or airbag module, disconnection of the switch connector(s) and removal of the retaining screws or clips holding the switch assembly. After installation, connectors must be seated correctly and trims refitted. Reassembly should follow manufacturer torque and alignment specifications for the steering wheel.
Installation Recommendations
- Always Disconnect The Battery Before Starting Work To Avoid Short Circuits And Airbag Deployment.
- Follow Manufacturer Procedures For Airbag Removal And Steering Wheel Alignment.
- Inspect The Clock Spring/Spiral Cable And Wiring Harness For Damage During Replacement; Replace If Damaged.
- Test All Functions Before Final Reassembly To Ensure Proper Operation.
- Use Proper Tools And Observe Torque Settings When Reinstalling The Steering Wheel.
Why This Part Fails Most Often
- Wear Of Internal Contacts And Membrane Switches From Repeated Use, Causing Intermittent Or Non-Functional Buttons.
- Moisture Or Contamination Ingress Leading To Corrosion Of Contacts.
- Damage To The Clock Spring/Spiral Cable During Steering Wheel Movement Or Previous Repairs, Interrupting Signal Path.
- Broken Clips Or Mechanical Fatigue Of The Switch Housing From Age Or Impact.
- Electrical Faults Caused By Damaged Wiring Or Poor Connector Contact.
This listing is targeted at professional mechanics and competent DIYers looking for a direct repair part for steering wheel audio control functions. Including the part code 4112FA in searches increases the chance of finding the correct unit for the listed Citroën and Peugeot models.
