Description
Heating and air conditioning control for Citroën C8 and Peugeot 807 from 2005 onward.
This climate control unit is a direct-fit electrical control module for the HVAC system of Citroën C8 and Peugeot 807 models. Ideal for professional workshops and experienced DIY mechanics, the unit restores reliable temperature selection, fan speed control and mode switching. Customers often locate this part by its product numbers, so the codes listed below will help you find the exact replacement quickly.
Features And Function
- Controls heating and air conditioning settings including temperature selection, fan speeds, air distribution (vent / footwell / defrost), recirculation and AC on/off commands.
- Interfaces with vehicle HVAC actuators and the compressor clutch signal; restores user control when the original unit is unresponsive or erratic.
- OEM-style fit and electrical connections designed for easy plug-and-play replacement on compatible vehicles.
Suitable Models
- Citroën C8 (from 2005 onwards)
- Peugeot 807 (from 2005 onwards)
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C8, Peugeot 807
- Product Codes: 14986800YR, 14009187YR
- Additional Numbers: F011500057, F011500003, 6452C5, NFP
Installation Recommendations
- Preparation: Park on level ground, engage parking brake and remove the ignition key. For safety, disconnect the negative battery terminal before starting work on the electrical system.
- Access: Carefully remove the center console trim surrounding the climate controls. Keep screws and clips organized to avoid damage during reassembly.
- Removal: Unscrew the control unit fasteners, gently pull the unit out and unplug the electrical connectors—do not force or pry on connector tabs.
- Fitment: Connect the replacement unit, verify secure connector engagement, refit fasteners and reassemble the trim. Reconnect the battery and cycle the ignition to test all HVAC functions.
- Post-Installation Check: Verify fan speeds, temperature changes, AC engagement and air distribution in all modes. Some vehicles may require cycling the ignition or short drive to re-initialize system functions.
Why The Part Most Commonly Fails
- Age-Related Wear: Prolonged use causes potentiometers, switches and internal contacts to wear, resulting in intermittent or lost control.
- Electrical Stress: Thermal cycling and voltage spikes can damage internal electronics or solder joints.
- Moisture And Contamination: Exposure to humidity or spilled liquids can corrode connectors and internal components.
- Mechanical Damage: Repeated forceful operation of knobs/buttons or improper removal can break mechanical parts or connector latches.
Common Symptoms Indicating Replacement
- No response to temperature or fan speed commands.
- Blower only runs on one speed or stuck at a single setting.
- Inconsistent AC compressor cycling or failure to engage.
- Control panel backlight, display segments or buttons not working correctly.
This replacement control unit is a practical, cost-effective repair for restoring HVAC function on Citroën C8 and Peugeot 807 vehicles. Use the listed product codes when searching to ensure you receive the correct part for your application.
