Description
Steering wheel controls by VALEO for CITROËN C4, C4 Picasso and Grand Picasso. They control cruise control, car radio and horn.
High-quality Valeo steering wheel control assembly designed for Citroën C4 family cars. This multifunction unit integrates switches for cruise control, audio functions and the horn, enabling safe and ergonomic operation without taking hands off the wheel. The part is commonly searched by product codes 96624935ZD, 6239QZ and 6242EZ, so entering these references in catalogs or search engines will quickly locate the exact item.
Designed with professional fitment in mind, this control module is suitable for workshop replacement and for experienced DIY mechanics. The compact design keeps wiring and connectors consolidated behind the steering wheel, reducing the risk of loose contacts and improving reliability compared with individual aftermarket modifications. Ideal when original switches are worn, sticky or unresponsive.
Technical Information
- Manufacturer: Valeo (for Stellantis / Citroën / Peugeot)
- Model: Citroën C4, C4 Picasso, Grand Picasso
- Product Codes: 96624935ZD, 6239QZ, 6242EZ
- Other Numbers: NFP (as noted in supplier listing)
Installation Recommendations
- Disconnect the vehicle battery before starting work to avoid short circuits and accidental airbag deployment.
- Follow the vehicle manufacturer’s procedure for airbag and steering wheel removal. Remove the airbag module and steering wheel to access the control assembly.
- Unplug all electrical connectors and carefully remove the old switch assembly. Inspect the wiring harness and clock spring for damage while components are exposed.
- Fit the new Valeo unit, reconnect connectors and reassemble in reverse order. Ensure connectors are fully seated and locking tabs engage.
- After reassembly, reconnect the battery and test all functions: cruise control activation, audio controls, horn and steering wheel switches. Check for any warning lights related to airbag or steering electronics.
- If any steering electronics or airbag warnings appear after fitment, consult diagnostic equipment and follow the manufacturer’s fault codes and clearing procedures.
Most Common Failure Reasons
- Wear and Tear: Frequent use of buttons causes mechanical wear and loss of tactile response over time.
- Electrical Contact Degradation: Oxidation or contamination on switch contacts can make buttons intermittent or non-functional.
- Connector Or Wiring Damage: Strain, corrosion or chafing on the wiring harness or connector pins can interrupt signals to the steering controls.
- Ingress Of Moisture Or Debris: Water or dirt entering the assembly (often via steering column seals) can short or corrode internal parts.
- Associated Component Faults: Problems with the clock spring or related steering column electronics can mimic switch failure; inspect related parts during replacement.
For professional results, perform the replacement in a workshop environment with appropriate tools and safety measures. Using the correct product codes when ordering helps ensure you receive the precise Valeo steering wheel control compatible with Citroën C4, C4 Picasso and Grand Picasso models.
