Heater Control Unit, Metallic. Porsche 955 / 957 Cayenne 2003-10

Maintain your Porsche’s interior comfort with this Genuine Porsche Heater Control Unit.
Finished in a premium metallic trim, this OEM replacement panel restores complete heating, ventilation, and air-conditioning (HVAC) control to your Porsche Cayenne.
This unit allows the driver and passengers to adjust temperature, fan speed, and airflow direction with the same responsiveness and precision as when the vehicle was new. Engineered to Porsche factory specifications, it seamlessly integrates with your vehicle’s existing wiring and HVAC system for plug-and-play installation.

Fits:

• Porsche 955 Cayenne 3.2L V6 2003
  

• Serves as the user interface for cabin heating and ventilation: selecting blower fan speed, temperature settings, mode (defrost, foot, dash vents), and air distribution.
  
• Controls the actuation of HVAC components via internal switches/relays: e.g. heater core valve, blower motor, air mixer doors, temperature blend doors.
  
• Provides feedback / display of temperature settings so the driver can see selected values.
  
  

• No response when adjusting temperature / fan / mode — controls don’t change airflow or heat.
  
• Inoperative blower motor or no fan speeds — control panel stops sending signals.
  
• Incorrect temperature / stuck mode — stuck in one mode (e.g. always defrost) or temperature stuck.
  
• Display issues or illumination failures on the control panel.
  
• Error / malfunction messages in the vehicle’s HVAC system.