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Engine Hot Ac Off Message. It automatically shuts the ac off and my temp gauge won’t move from c. Dash reads engine hot ac turned off. the temp gauge will not be registering anything but, my obd2 gauge will be reading in the normal temp range.
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This sounds like a bad coolant temp sensor that give computer false reading, check the coolant temp sensor connector and if it is good with no bad wires to connector then replace coolant temp sensor , when the computer gets a signal from temp sensor that engine is hot it turns fans on high speed to cool radiator and displays a/c turned off , if this truck does not. Andy massoll of the hamburg garage on february 07, 2015. I pulled over, all my fluids were fine and the engine actually seemed cold not.
She Said She Also Got Another Message, Approximately Engine Powered Down.
Received the same warning on my wife's 2008 impala = engine hot/ ac off. Heck, letting it sit for 8 hours doesn't always make it go away. Engine hot a/c off 3 answers.
If The Engine Doesn't Maintain Specific Temp Parameters (Doesn't Warm Up Fast Enough/Maintain Temp), This Warning Will Display.
The a/c off due to high engine temp message can appear on your driver information center (dic). This only happens in the winter and until now has only happened when i turn the heat on. While it is safe to drive the vehicle when the dic shows this alert, the air conditioning will be automatically shut off to.
Gm Engineers Have Apparently Decided That If The Engine Temperature Is Too Low (Example 195Deg) That They Will Display Engine Too Hot Turning Ac Off.
Thus it shuts down the a/c to lower the load and not create extra heat. The temperature gauge reads normal and the heat works like it should. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.
The Temperature Gauge Is At 160 When Normally It Would Be At 210 Within A Few Minutes.
Probably best that both coolant temperature sensors are replaced since have conflicting data, and false engine management behavior. If i clear the codes the warning goes away and the temp gauge in the dash will start working again. If yes go back to the wiring around the plugs and see if you knocked a sensor wire off by accident.
While It Is Safe To Drive The Vehicle When The Dic Shows This Alert, The Air Conditioning Will Be Automatically Shut Off To Reduce Stress To The Engine.
The code is po128 engine coolant temperature below thermostat regulating temperature. She brought the car in to have the diagnostic done, and got a po128 code. When the dic displays this alert, it means that the coolant in the engine is too.
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