Cadillac XT5 air conditioner blowing warm air possibly due to thermostat issue on Cadillac XT5

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Cadillac XT5 owners report experiencing issues with their air conditioning blowing warm air, which may be attributed to a variety of potential causes. These include low or overcharged refrigerant levels, dirty condenser or evaporator coils, and a faulty blend door actuator. Additionally, some owners have encountered problems with a defective evaporator temperature sensor, bad AC pressure sensor, or issues with fuses and relays. Refrigerant leaks and clogged components can also contribute to the warm air issue. Owners are advised to monitor the vehicle's temperature readings, as normal operating temperatures should be above 190 degrees Fahrenheit. If a faulty thermostat is suspected, prompt attention is recommended to prevent further complications with the cooling system.

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