This integrated steering wheel switch module restores full control of cruise control, audio functions, on-board computer menus and the horn. Designed as a direct-fit replacement for compatible Citroën C4 models, the unit is ideal for professional workshops and experienced DIY mechanics who need a reliable OE-quality control interface. Commonly searched by part numbers, the module simplifies troubleshooting and replacement when steering wheel switches become intermittent or unresponsive.

Technical Information

• Manufacturer: Valeo
• Model: Citroën C4; Citroën C4 Picasso; Citroën C4 Grand Picasso
• Product Codes: 96624938XT; 6242P0
• Additional Numbers: 98003833ZD; 98003833D

How The Part Is Replaced

Replacement involves safe removal of the steering wheel airbag and access to the switch module on the steering wheel hub. Typical steps:

• Disconnect the negative battery terminal and wait at least 10 minutes to allow SRS capacitors to discharge.
• Remove the airbag module following the manufacturer’s procedure and carefully disconnect airbag connectors.
• Mark steering wheel alignment relative to the column to ensure correct reinstallation.
• Remove the steering wheel retaining bolt and withdraw the steering wheel to access the switch module and connectors.
• Disconnect electrical connectors, replace the switch module, reconnect connectors and reassemble in reverse order.
• After reconnection, verify all functions (cruise control, audio controls, on-board computer navigation and horn) before normal use.

Installation Recommendations

• Always follow Citroën factory procedures when removing the airbag and steering wheel. If unsure, have the work performed by a qualified technician.
• Disconnect the battery and wait at least 10 minutes before touching any SRS components to reduce the risk of accidental deployment.
• Mark steering wheel position to maintain correct alignment and avoid steering angle sensor issues.
• Inspect wiring harnesses and connector pins for corrosion or damage and clean contacts before reassembly.
• Test all steering wheel functions on a safe test drive after installation.

Why The Part Fails Most Often

• Mechanical Wear: Frequent use of buttons and rocker switches gradually wears contact surfaces and plastic components.
• Wear On Flex Cable Or Connectors: Repeated steering movement can stress ribbon cables and connector contacts, causing intermittent faults.
• Moisture And Corrosion: Exposure to moisture or contaminated hands can lead to corrosion of electrical contacts.
• Impact Or Physical Damage: Accidental impacts or improper removal of the steering wheel/airbag can damage the module.
• Age Related Electrical Faults: Deterioration of solder joints or internal components over many years in service.

Customers frequently search for this part using product codes such as 96624938XT, 6242P0 and 98003833ZD. The unit is supplied used but with a guarantee of functionality and may show signs of prior use.