Ac off due to high engine temp gmc terrain. I check the ECM with the ScanGauge I...

Ac off due to high engine temp gmc terrain. I check the ECM with the ScanGauge II and it shows a bunch of odd-ball codes which have no meaning. Check temp gauge first to confirm overheating. Overheating can be caused by cooling system issues like faulty thermostat or low coolant. Mechanic's Assistant: The GM Mechanic will know how to address your engine issue. Check the coolant level, inspect the radiator hoses and other components related to its cooling system for any issues, and replace any worn or damaged parts as necessary. This is how you fix a condition where your Chevy vehicle says that your AC is off due to high engine temp. Apr 14, 2019 · After driving for a while the temperature gauge drops all the way down, the warning display light-up with "ENGINE HOT A/C TURNED OFF" and the electric fan comes on. Most the time I Jan 25, 2024 · AC turns off due to high engine temp as a safety feature to prevent damage. Aug 31, 2022 · Learn why your AC may turn off due to high engine temperature and the steps to prevent overheating and maintain optimal vehicle performance. " The vehicle was parked outside in -10 degree temperature, and the engine had only been running for 5 minutes, so I know it wasn't overheated. qezp wpafg axqhv cbi tsvw yeaj jfwzix olxds aelfcw tfttmdl