Description
Heating And Air Conditioning Control For Citroën Xsara Picasso
High-quality replacement control panel for the heating and air conditioning system in Citroën Xsara Picasso. This unit operates the blower speed, temperature selection, airflow mode, recirculation and air conditioning request, restoring intuitive control of the cabin climate. Designed for mechanics and DIY enthusiasts who look up parts by product number, it is supplied with common Stellantis/Citroën/Peugeot reference codes for quick identification.
Benefits
Direct-fit design for straightforward installation, improved cabin comfort, and reliable operation of HVAC functions. Ideal for workshops performing interior control panel repairs or vehicle owners carrying out a straightforward swap. Clearly labeled controls and connectors make diagnostics and replacement faster, reducing vehicle downtime.
Technical Information
- Manufacturer: Stellantis (Citroën/Peugeot)
- Model: Citroën Xsara Picasso
- Product Codes: 96514030XT, 6451QG, 6451QH
- Other Numbers: Listed As Stellantis Citroën Peugeot References
Compatibility
Designed For Citroën Xsara Picasso models. Confirm compatibility by matching the product codes printed on the original unit (96514030XT / 6451QG / 6451QH).
Function And Typical Faults
The control unit governs blower speed, distribution of airflow (dashboard, feet, windshield), temperature blend, recirculation and AC engage signal. Common failure modes include worn potentiometers and switches, damaged or corroded connector pins, failed display/backlight, intermittent contacts caused by dirt or moisture, and cracked plastic knobs or mounting tabs. Failures most often develop after prolonged use, exposure to humidity or contaminants, or from mechanical stress during removal/installation.
How To Replace
- Safety First: Disconnect the vehicle battery before starting to avoid short circuits and protect electronic components.
- Remove Trim: Carefully pry off the surrounding dash trim panels to access the HVAC control unit. Use appropriate trim tools to avoid damaging clips.
- Unscrew Unit: Remove mounting screws securing the control panel and gently pull the unit forward.
- Disconnect Connectors: Unplug all electrical connectors and any cable linkages (note positions for reassembly).
- Install Replacement: Plug in the new unit, secure with screws and reinstall trim. Reconnect the battery and verify function of all HVAC modes, blower speeds, AC engagement and recirculation.
Installation Recommendations
- Always Disconnect The Battery Before Work To Prevent Damage To The Unit And Vehicle Electronics.
- Handle Connectors By The Housing, Not The Wires, And Inspect Pins For Corrosion Or Bent Contacts.
- Check Related Components (Blower Motor, Resistor/Controller, Fuses) When Troubleshooting To Ensure The Control Panel Is The Root Cause.
- Use Proper Trim Tools To Avoid Breakage Of Dash Clips And Panels.
Most Common Reason For Failure
The primary causes are electrical contact wear and contamination (dust, moisture) leading to intermittent operation or stuck controls, and mechanical wear of knobs and switches. Repeated heat cycles and vibration in the dashboard can also cause solder joint fatigue or connector issues over time.
Notes For Professionals
This unit is intended as a direct replacement when the part numbers match. For accurate identification, always compare the product codes on the unit to the codes listed above. The part is suitable for professional fitment in a workshop environment as well as competent DIY repairs by vehicle owners.








