GMC Terrain A/C disabled due to high engine temperature warning despite cold temperature gauge on GMC Terrain

Some GMC Terrain owners report experiencing issues with their A/C being disabled due to a high engine temperature warning, even when the temperature gauge indicates a normal reading. This warning serves as a protective measure to alleviate additional strain on the engine by shutting off the A/C system. Symptoms of this issue include a sudden lack of cold air from the vents and the A/C compressor failing to engage. Potential causes for the A/C shutdown may include low refrigerant levels, a dirty or clogged condenser, or a malfunctioning compressor. Owners are advised to check the coolant level when this warning appears and to promptly diagnose and address any A/C issues to prevent potential engine damage.