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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 231 (HVAC - Automatic) >> Diagnostic Information and Procedures >> HVAC Component Replacement Reference

HVAC Component Replacement Reference

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
Component Repair Instruction
A26 Heater and Air Conditioning User Interface Controls - Front Heater and Air Conditioning User Interface Control Replacement 
B1 Air Conditioning Refrigerant Pressure Sensor Air Conditioning Refrigerant Pressure Sensor Replacement (LSY, L3B) , or Air Conditioning Refrigerant Pressure Sensor Replacement (LF4)
B10B Sun Load Temperature and Ambient Light and Security Indicator Sensor Sun Load Temperature and Ambient Light and Security Indicator Sensor Replacement 
B160 Inside Air Moisture and Windshield Temperature Sensor Inside Air Moisture and Windshield Temperature Sensor Replacement (without CE1) 
B39 Air Conditioning Evaporator Air Temperature Sensor Air Conditioning Evaporator Air Temperature Sensor Replacement 
G1 Air Conditioning Compressor Air Conditioning Compressor Replacement (LSY) , or Air Conditioning Compressor Replacement (L3B) , or Air Conditioning Compressor Replacement (LF4)
K20 Engine Control Module Control Module References
K9 Body Control Module Control Module References
M37P Programmable Mode Valve Actuator Programmable Temperature Valve Actuator Replacement (Mode) , or Programmable Temperature Valve Actuator Replacement (Air Inlet) 
M4P Programmable Air Inlet Valve Actuator Programmable Temperature Valve Actuator Replacement (Mode) , or Programmable Temperature Valve Actuator Replacement (Air Inlet) 
M6PL Programmable Temperature Valve Actuator - Left Programmable Temperature Valve Actuator Replacement - Left Side 
M6PR Programmable Temperature Valve Actuator - Right Programmable Temperature Valve Actuator Replacement - Right Side 
M8 Blower Motor Blower Motor Replacement
Q2 Air Conditioning Clutch Air Conditioning Clutch Replacement (LSY) , or Air Conditioning Clutch Replacement (L3B) , or Air Conditioning Clutch Replacement (LF4)
Q46 Air Conditioning Compressor Solenoid Valve Air Conditioning Compressor Replacement (LSY) , or Air Conditioning Compressor Replacement (L3B) , or Air Conditioning Compressor Replacement (LF4)
V1 Passenger Compartment Air Filter Module Passenger Compartment Air Filter Module Replacement
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