Description
Heating and air conditioning control for CITROEN C2, C3 Pluriel and PEUGEOT 1007
Direct-fit climate control unit for Citroën and Peugeot small models, designed to restore precise HVAC operation and cabin comfort. This control panel is a common replacement for workshop repairs and DIY maintenance, sought frequently by part numbers 96377775XT and 6451RY. The unit manages fan speed, temperature blending, recirculation and air conditioning engagement, offering a straightforward way to eliminate intermittent blower response, stuck knobs or loss of temperature control.
Technical Information
- Manufacturer: Stellantis
- Model: Citroën C2; Citroën C3 (I and II); Citroën C3 Pluriel; Peugeot 1007
- Product Codes: 96377775XT, 6451RY
- Other Numbers: None Specified
Function
This control unit regulates blower fan speed, temperature mix (hot/cold), air distribution, recirculation mode and air conditioning on/off. It translates user inputs from knobs and sliders into signals for HVAC actuators, blower motor and the A/C system, ensuring consistent interior climate control.
Replacement Procedure
- Disconnect Negative Battery Terminal Before Work To Prevent Short Circuits.
- Remove Center Console Trim And Bezel Carefully Using Trim Tools To Avoid Damage.
- Unscrew Mounting Fasteners Securing The Control Unit And Pull Unit Forward Gently.
- Unplug Electrical Connectors And Any Vacuum Or Bowden Linkages If Present.
- Install The Replacement Unit By Reversing Removal Steps. Ensure Connectors Are Fully Seated And Fasteners Are Tightened To Avoid Rattles.
- Reconnect Battery And Verify All HVAC Functions: Blower Speeds, Temperature Adjustment, Recirculation And A/C Engagement.
Installation Recommendations
Use plastic trim tools to prevent scratched panels. Inspect connector pins for corrosion and clean if necessary. Check related fuses and blower motor operation before replacement to confirm the control unit is the root cause. After installation, cycle all switch positions to verify smooth operation.
Common Failure Causes
- Mechanical Wear Of Knobs And Internal Potentiometers Leading To Intermittent Or Lost Control.
- Corroded Or Dirty Electrical Contacts Resulting In Poor Signal Transmission.
- Moisture Ingress From Spills Or Humidity Causing Short Circuits Or Component Damage.
- Age And High Mileage Accelerating Wear Of Moving Parts And Electronic Contacts.
- Electrical Surges Or Faulty Wiring Causing Internal Component Failure.
Why Replace This Part
Replacing the control unit is a cost-effective repair when facing inconsistent blower speeds, unresponsive temperature controls or non-functioning A/C controls. The part number search (96377775XT / 6451RY) is commonly used by technicians and DIYers to find the correct replacement quickly.
Suitable For Professional Workshops And Home Mechanics Looking For A Direct Replacement Control Unit To Restore Full HVAC Functionality In Citroën C2, C3, C3 Pluriel And Peugeot 1007 Models.








