Description
Steering wheel controls by Valeo for Citroën C4, C4 Picasso and Grand C4 Picasso. They control the cruise control, car radio and horn.
Designed for professional garages and competent DIY enthusiasts, these Valeo steering column controls provide direct access to cruise control, audio functions and the horn without taking hands off the wheel. The unit is a common replacement part for Citroën C4 families and is often searched by its product codes. Durable construction and plug-in electrical connectors make the part straightforward to service—but pay attention to connector condition and wiring during installation to ensure reliable operation.
Technical Information
- Manufacturer: Valeo
- Model: Citroën C4; C4 Picasso; Grand C4 Picasso
- Product Codes: 96624935ZD
- Additional Numbers: 6239QZ, 6242EZ, NFP
Function
This module integrates switches for cruise control set/adjust, audio source/volume/track selection and the horn. It provides the driver with ergonomic control of infotainment and speed-limiting/cruise functions via momentary and maintained switch contacts. Electrical signals are passed to the vehicle CAN/lin bus or wiring harness via a connector on the rear of the assembly.
Compatibility And Search Tips
Commonly fitted to Citroën C4 family models including C4, C4 Picasso and Grand C4 Picasso. Many customers search by the OE/product codes listed above; including these numbers in your query increases the chance of finding the correct item quickly.
How To Replace On The Vehicle
- Preparation: Park on level ground, engage parking brake and remove ignition key.
- Safety: Disconnect the negative battery terminal and wait several minutes to disable the airbag system before starting work.
- Access: Remove the steering wheel airbag module following manufacturer procedures, then remove the steering wheel (mark wheel position) and lower steering column covers to expose the switch assembly.
- Removal: Unplug the electrical connector(s) and release the retaining clips or screws that secure the steering wheel controls.
- Installation: Fit the new control unit, reconnect connectors ensuring proper seating, reassemble column covers, reinstall the steering wheel and airbag, and reconnect the battery.
- Verification: Check all functions (horn, radio controls, cruise control set/adjust) before road use. Replace any damaged wiring or connectors discovered during the procedure.
Installation Recommendations
- Always disconnect the battery and follow the vehicle manufacturer’s airbag and steering removal procedures to avoid injury and electrical damage.
- Inspect connectors and wiring for corrosion or broken pins and repair as needed to prevent intermittent faults.
- When refitting the steering wheel, align marks and use the correct torque for the steering wheel nut per manufacturer specifications.
- If any functions do not operate after fitting, verify connector integrity and fuses before considering replacement parts.
Why The Part Fails Most Often
- Wear And Mechanical Stress: Frequent use of buttons causes mechanical wear on switch contacts and plastic components.
- Electrical Contact Degradation: Oxidation or contamination of switch contacts and connector pins can lead to intermittent or permanent failure.
- Moisture Ingress: Water or condensation entering the steering column area accelerates corrosion and short circuits.
- Impact Or Mishandling: Improper removal/installation or steering impacts can damage the assembly or connectors.
This steering wheel control assembly is a practical replacement for workshops and experienced DIYers who service Citroën C4 family vehicles. Use the product codes above when searching stock or ordering to ensure compatibility.








