Ac off due to high engine temp but engine is cold. It was fine for a while. Blocked Jul 1, 2018 ...
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Ac off due to high engine temp but engine is cold. It was fine for a while. Blocked Jul 1, 2018 · Cruze - AC off due to high engine temp - I have a 2012 Cruze. Within the last week I’ve gotten “AC off due to high engine temp” and the gauge stays on the “cool” side. ” If your car’s AC says AC off due to high engine temp, you should also check your radiator and cooling fans. 13- Rinse away any excess coolant from the engine and engine compartment. Quick overview of a Chevy Cruze with AC Off Due to High Heat Engine Temp error message. Just got Encountered the 'AC Off Due to High Engine Temp' error on your 2011 Chevy Cruze? In this video, I'll show you how to resolve this common issue by replacing the temperature sensors. An overheating engine causing the AC to shut off is an issue that shouldn’t be ignored. Obviously it's not hot, help? Jan 31, 2020 · I had the same symptoms and replaced one on the engine block drivers side and did the hot water/cold water resistance measurement to see if it was faulty. You can call a mechanic if you notice that any of these parts are leaking or ready to wear down completely. I have a 2012 chevy cruze and I am thinking its a bad thermostat? Has anyone experienced this issue? Jan 18, 2018 · Especially living in a cold area, the water pump has a weephole and a freezeplug, run your car til the engine temp is in normal operating range and look at your waterpump to see if it is leaking coolant. I check the ECM with the ScanGauge II and it shows a bunch of odd-ball codes which have no meaning. Stop driving the vehicle immediatly and check all fluid levels. I have replaced the thermostat, water pump, serpentine belt, bled the coolant lines numerous times, and disconnected the battery. 4. Radiators lose coolant due to minor leaks or evaporation; your thermostat may be damaged, which leads to the AC turning off. Get expert repair tips from Auto Vehicle Parts. Imagine you’re enjoying a comfortable drive with the air conditioning on, only to suddenly notice this message on your dashboard, accompanied by the AC shutting down. Apr 27, 2019 · The problems I'm currently facing are: 1. The air conditioner cannot funnel cold air into the vehicle’s internal cabin when the AC compressor has stopped working. Car has 79,900 miles. ~Coolant level is Jul 21, 2023 · This article will cover the possible reasons your temperature gauge is reading cold while your engine is hot and AC is off to help you narrow down to what the issue could be. Let's change the thermostat and sensors. Let's get some heat back in our 2013 Chevy Cruze. I then noticed the temp gauge had not moved. 0 Coolant sensor replacement (AC off due high engine temp) gavin anderson 39 subscribers Subscribe AC off due to high engine temp This happens at random times and also when i first start it on occasion. The dumb part of this is that I can?t remember what warning I originally received from my car, but it made me check the coolant level. Coolant is full. It show past COLD, and my fuel is actually supposed to be 1/2 tank) The vehicle just started, had run 10 secs When I shut off, cooling fans are blowing High Volume Drive 17 miles to work, Came out at lunch started it, and message was right there again Message on Equinox says A/C off due to high engine temp but coolant is full and gauge is on cold. If the engine is overheating then either the Temperature Gauge will have risen or for those that don't have a Temperature Gauge there should be a Blue and a Red Thermometer Warning Light. " goes on the display and all the fans the car has turn on at once. I had this same problem two months ago. First, check the coolant level and make sure it is full. In fact my engine temp was not reading at all and was showing the lowest temp possible. . I have a ScanGauge II connected and it reads engine temp at 173 degs F. For more information read here. By understanding the interconnected systems and the common causes of overheating, you can take a systematic approach to diagnosis and resolution. 12- Inspect the concentration of the engine coolant, using GE-26568 tester. Jan 24, 2020 · So the past couple of days, my car has been saying "AC Off Due to High Engine Temp". Oct 26, 2024 · Hi Everyone, i have a 2013 malibu lt2 2. Jul 4, 2014 · Cruze - AC OFF Due to High Engine Temp - As I was driving to work this morning (in my 2013 Cruze) I got this nice message on my dash screen stating AC OFF Due to High Engine Temp . Regularly inspect the radiator, hoses, fans, and thermostat. Runs then after about 15 minutes of highway travel I get the same on dash warning about AC off due to high engine temp and the needle in the dash temperature display won't budge off the cold side. The fan runs fine. The fan stays on the whole time I am driving. Oct 5, 2024 · The AC turns off due to high engine temperature, and the gauge not working indicates a possible sensor issue. When I turn my car off, the cooling fan will run at full speed for about 10 to 15 minutes thereafter. This situation can be alarming and inconvenient. One of the common problems is getting the ” ac off due to high engine temp” message on the dashboard. This high temperature causes the thermostat to open until the limit stop and stick in the open position. When the engine begins running too hot, shutting off the AC reduces stress on the cooling system. Oct 16, 2024 · While driving on a hot summer day, it’s very common to face AC off Due to High Engine Temperature issue. any ideas or what to check? 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 system disables the compressor to reduce engine load and protect vital components. OBDII reads normal engine temperature. 2015 chevy cruze. After trying to start it, there is a clicking sound coming from under the hood for Mar 24, 2023 · The meaning of an AC OFF due to high engine temperature is that the engine has overheated and shut down. There are several reasons why an engine may overheat, including low coolant levels, a malfunctioning thermostat, a faulty water pump, or a When the AC shuts off due to high engine temperature, first inspect the radiator cooling fan operation. For this, the ECU blocks the AC and some other power-consuming features in your vehicle to reduce power consumption and allow the engine to work in better conditions. After that message the temp gauge continues to rise and says "engine overheated idle engine". Computer says P0128 but I've replaced the thermostat less than 50k likes ago. Keep in mind, if you use the defroster on your vehicle, the defroster works with the heater and air conditioning to dry the frost off the windows. I have a 2012 chevy cruze and I am thinking its a bad thermostat? Has anyone experienced this issue? Just curious has anyone had a AC off due to high engine temp message pop up on their message center and temp gauge drop? This is on a 2011 Chevrolet This is how you fix a condition where your Chevy vehicle says that your AC is off due to high engine temp. Turned the car off then back on. It's time for an oil change, but the light to remind me hasn't activated yet. I started with the basics on this but here is what I have done so far. This can happen if the engine coolant system fails or if the engine is damaged. Jan 2, 2026 · The experience of your air conditioning suddenly blowing warm air is not a simple AC failure, but a deliberate action taken by the vehicle’s control system. In Most cases this will fix the AC off due to high engine temp message on your dashboard, will fix the coolant gauge not moving, and will also fix the fans running while the vehicle is off. I continued to drive the car a couple of days. Coolant will spill, plan accordingly. Jul 21, 2023 · In short, the “AC Off Due to High Engine Temp” message in Chevy Cruze means that the ECU registers some hazardous conditions and tries to make sure that the engine is unloaded. The A/C turning off leads me to believe it is a water pump and a thermostat. Ignoring this can lead to severe engine damage. Recently, the message reappeared and same problems reoccur. A/c off due to high engine temp Hello, I have a 2013 Chevy Cruze and the fan always turns on after driving for about 15 minutes. Let the car sit overnight stated first try, but AC off Due to High Engine temp. Mar 8, 2022 · I have a 2013 Chevrolet Cruze and this morning my temperature gauge stopped working and the message"AC off due to high engine temp" came on. May 26, 2017 · Then the message "AC off Due to High Engine Temp. Sep 29, 2023 · The AC turns off due to high engine temperature, providing a safe operating condition. I replaced the coolant sensor and thermostat, but the engine temperature still stays at C. We would like to show you a description here but the site won’t allow us. Dealer replaced themostat everything went back to normal. But then I go to start my car this morning and it cranks and won't start. A faulty radiator fan relay or motor can cause insufficient cooling, triggering the warning. 2. This is a safety measure implemented to reduce the burden on the engine and prevent further damage. Customer: I received a message indicating that my AC is off due to high engine temperature, but my temperature gauge hasn't moved from the cold position. My engine isnt overheating by any means but the car We would like to show you a description here but the site won’t allow us. So I decided to replace the top engine temp sensor. Watch video:- • How to fix AC off due to high engine tempe If you have any question, please comment below. If your temp gauge shows cold when your engine is certainty hot, it could be your temp Jun 9, 2023 · Here are some of the main causes of the Car AC off due to high engine temperature issues and how to fix it. This can cause the AC to malfunction. I have changed my thermostat twice by two different mechanics because they both said this was the issue. If engine did start the “AC Off Due To Engine High Pressure” message was displaying and the engine fan was blowing like crazy. I got an "ac off due to high engine temp" while driving, however, the temp gauge indicates at bottom The message "AC off due to high engine temp" appears. I looked in the coolant reservoir and the inside was coated with and full of chocolate doo doo. Oct 14, 2021 · Chevrolet Cruze is a great car but it has some problems. Oct 13, 2022 · in this blog post we discuss why a cars AC might shut off if the engine temperatures get too high , what is the cause and fix? Oct 14, 2025 · AC turned off due to high engine temp? Learn why it happens, how to fix overheating issues, and when to seek help. A couple days later, my coolant I’m currently getting a message that says “AC off due to high engine temp” on my 2013 Chevy Malibu. Aug 30, 2021 · “AC off due to high engine temp” and “Engine temp too high. We have changed the temperature sensors and the coolant cap. Warning Messages/Lights: If any dashboard lights illuminate, or the message “A/C off due to high engine temperature” pops up on your car’s display, your car is likely conserving energy because your cooling system is struggling. I can sometimes drive 40 or 50 miles before the indication and sometimes it's within four or five minutes after starting the car. Sep 10, 2025 · Car AC shutting off? Learn why a high engine temperature triggers this safety feature & what to do next. It’s a great vehicle that can take you from point A to point B and beyond. fan immediately kicks on even if car is cold. If the temperature indicator is high, your engine may be overheating. I checked my coolant and the car has coolant in it. Another reason for a high value is coolant loss. The local dealer found a bulletin that detailed this problem to the letter and Jul 4, 2014 · Cruze - AC OFF Due to High Engine Temp - As I was driving to work this morning (in my 2013 Cruze) I got this nice message on my dash screen stating AC OFF Due to High Engine Temp . obviously Blue is Cold and should extinguish when the vehicle has reached operating temperature. The dealerships Resolving the engine issue will automatically restore your AC function. May 13, 2023 · Experiencing a car’s air conditioner (AC) turning off when the engine temperature gets too high can be an unpleasant and discomforting situation, especially during hot summer days. While driving with message on, it then disappears and car back to normal - temp gauge working properly, ac starts Jan 2, 2019 · Then a few miles into my journey home, the dash came up saying that the AC was off due to high engine temperature. any ideas or what to check? After 5-10 minutes of having the ac on, I noticed my display reading “ac off due to high engine temp” which was strange because 1) the ac still seemed to be going, and 2) the engine temp was not reading as high. Dec 30, 2015 · A week ago it wouldn't start, the engine was turning over but wouldn't start. The air conditioning is off due to high engine temperature. No leaks. It was extremely low so I topped it off when the car was cold. This symptom means the vehicle’s Powertrain Control Module (PCM) is receiving a data signal that suggests the coolant temperature has exceeded a safe threshold. I have the ac off due to high engine temp issue has been on going for months. Oct 20, 2017 · AC Off Due To High Engine Temp (And look at gauges. When the engine temperature rises above a certain threshold, the AC compressor automatically shuts off to reduce the load on the engine, prevent overheating, and avoid potential damage. 11- Check the coolant level and fill to the COLD mark if necessary. Mar 2, 2026 · The “AC Off Due To High Engine Temp” message signals an overheating condition rather than an air conditioning malfunction. I’ve put in NEW radiator, water pump thermostat had car burped on ac and heat hoses are good no leakage and still can’t get this car right! Please help. The radiator fan also kicks on as soon as the AC kicks on. Mechanic's Assistant: Are you working on your SRX yourself? What steps have you taken Started happening this winter, one day we got the AC off due to high engine temp message, but the gauge read fully cold. As you can see, the AC can stop working for other reasons besides high temperatures in the engine. Jan 8, 2020 · The DIC message of "AC off due to high temp" comes up and the TC P0128 is stored. By understanding the causes and implementing preventive measures, you can ensure a cooler and safer driving experience. Temp gauge won't move and recieving "A/C shut off due to high engine temp" message on cold start after hard freeze. 2010 Buick lacrosse 3. Nov 12, 2021 · This is referred to as “overcooling. May 14, 2024 · The AC off due to high engine temperature issue occurs when the engine computer detects that the engine is overheating. Overheating can cause serious damage to your engine and should be addressed immediately. Let's replace both temperature sensors. A continuously running fan with overheating warnings may indicate a faulty fan relay or temperature sensor. Car was riding a bit rough and the "A/C turned off due to car overheating" dash message came up. The hardest part by far was sliding off the spring hose clamp attaching the coolant hose to the back of the thermostat. Get expert advice now! Dec 8, 2019 · I have a 2014 Chevy Cruze. 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. Aug 12, 2021 · 9- Turn the engine OFF and allow the engine to cool down. The dealerships I got an A/C off due to high engine temp message 10 minutes after driving. You may have already caused significant engine damage if you have driven with this warning on for more than a few hours. I replaced the battery, same thing. Check the condition of all hoses, too. In this guide, we’ll take an in-depth look at what this warning means Mar 2, 2026 · Modern vehicles are equipped with smart protection systems designed to prevent serious engine damage. I’m currently getting a message that says “AC off due to high engine temp” on my 2013 Chevy Malibu. Occasionally at a cold start, the temp gauge will show operating temperature instead of C and the screen will say "AC off due to high engine temp. Late 2000s chevys all seem to share this issue and here is how to pull over, fix it, and keep trucking. With this message on, the temp gauge shows "cold", ac blows warm air and cooling fan runs continuely with engine off. Dec 2, 2016 · If the engine temperature is normal and you are getting this message, then the thermostat switch to the air conditioning system needs replaced. It went away. When the engine temperature rises beyond its normal operating range, the cooling system is struggling to keep up with the heat being generated. 4L Cruze and it is doing the whole "A/C off due to high engine temp". Let's replace the thermostat and Dec 31, 2018 · It now thinks the engines running temperature is too high , so to reduce the stress on an engine that the ECM sees as already being under stress ( due to extremely high temperature of engine ) now makes the decision to relive that stress by shutting off the air conditioning. -2011 Buick Lacrosse V6 We had a hard freeze night before last (3° with -8 wind chill). I'm still getting the A/C Off due to HIgh Temp message. It will say a/c off due to high engine temp and the temperature gauge will go straight to cold and not mark it anymore. Thoughts about next steps? When the AC shuts off due to high engine temperature, check the radiator fan operation and coolant levels first. This article will help you troubleshoot the cause of this problem and how to fix it with ease. The radiator fan runs at high speed even after a cold start, and I’ve confirmed that the coolant level is okay. backyardmechanic. org/erro Oct 16, 2024 · Final Thought The “AC off Due to High Engine Temperature” warning is a safeguard that protects your engine from damage. I first replace the thermostat, then took it to autozone for the obd and it pulled the code for the coolant temp sensor. 2011 Buick Lacrosse. The PCM, which acts as the vehicle’s Jul 28, 2025 · The “AC off due to high engine temperature” warning is a serious issue that can arise in vehicles. Jan 25, 2024 · To prevent your AC from shutting off due to high engine temperature, make sure your vehicle’s cooling system is in good condition. Cruze - AC OFF Due to High Engine Temp - As I was driving to work this morning (in my 2013 Cruze) I got this nice message on my dash screen stating AC OFF Due to High Engine Temp . Mar 25, 2010 · Tuesday, with about 1700 miles on my 2010 4 cylinder Equinox, I got a message on the dash that said "ac off due to high engine temperature". The air conditioner is a significant mechanical load on the engine, and shutting it off is a Jan 27, 2025 · AC off Due to High Engine Temp Chevy Cruze 2011 If your Chevy Cruze 2011 has the AC off due to high engine temp, there are a few things you can do to troubleshoot the issue. ” It usually appears on the dashboard when engine temperature rises beyond normal operating range. https://www. Mar 20, 2025 · The “AC Off Due to High Engine Temp” message in your Chevy Cruze can be concerning, but it’s a safety mechanism designed to protect your engine. I replaced both coolant temperature sensors on the thermostat housing and radiator, then reset the code by disconnecting the battery, and it started working fine; the temperature gauge began functioning again. This allows the radiator and cooling fans to focus entirely on lowering engine temperature. The problem persists. If it is low, add coolant and see if that fixes the problem. Used the car all week, No problems. This article will help you to know its possible causes and solutions. We will explore the causes of AC off due to high engine temp Chevy Cruze and provide solutions to help you get your AC back up and running smoothly. Again this is a guess. It was tough to release, and its position within the clutter of the lower engine bay was tough to maneuver with my monkey hands. Cause: After switching off the hot engine the coolant temperature could reach above 130°C. The engine didn't seem to be struggling, and we weren't overly warm in the car - and I never turn the AC on! Mar 24, 2021 · A/C off due to high engine temp 16 Verano. No smoke coming from exhaust Jul 28, 2025 · The “AC off due to high engine temperature” warning is a serious issue that can arise in vehicles. There's about 220,000. " 3. A week later had the same problem not stating. Jan 27, 2018 · I am working on a 2013 1. The engine temperature sensor is a common failure and is relatively inexpensive to have replaced. Also, the cooling fans ran at full speed and the temp gauge did not work. The dealerships Jul 22, 2018 · Hi, I got this message ac off due to high temp and my fan keeps running with my temp gage stuck at cold. Its currently 61 degrees outside and my engine gauge was reading cold. May 2, 2020 · I keep getting AC off High Engine Temp on my 2013 Chevrolet Malibu. My temp gauge has been fluctuating recently. Jul 21, 2023 · This article will cover the possible reasons your temperature gauge is reading cold while your engine is hot and AC is off to help you narrow down to what the issue could be. I'm thinking it's the temperature sensors for this issue. One message that often surprises drivers is “AC Off Due To High Engine Temp. Even if you turn off the vehicle, you'll still hear the fans spinning. 4). At that moment, the air conditioning system shuts down automatically to reduce load on the engine and help it cool Mar 9, 2026 · The air conditioning compressor requires engine power to operate. Dec 24, 2025 · The experience of a vehicle shutting off the air conditioning due to a reported high engine temperature, even though the engine is physically cold, points to a specific electronic malfunction. AC off due to high engine temp This happens at random times and also when i first start it on occasion. Will take it to a local mechanic since my service manual isn't helpful. Jun 24, 2025 · But anything above operating temperature is a clear sign of stress on the engine cooling system. Mar 17, 2024 · Engine hot ac off means that the engine of your vehicle is overheating, and the air conditioning system has automatically shut off to reduce the load on the engine. I checked my engine temp gauge, and it hadn't moved at all - and didn't move the entire 30 mile journey home (still in 1C). 5L engine. Once I got home, I turned the car off and a loud noise came from it, think it was the fans, they shut off a minute later. The thing is the temperature gauge is showing that it is not hot. AC off due to high engine temp. So let’s dive into this issue, why it happens, what you can do about it and how fast you can cool down Nov 13, 2019 · The AC off due to high engine temp warning is somewhat intermittent on my 2011 Cruze with 1. I didn't know if it Encountered the 'AC Off Due to High Engine Temp' error on your 2011 Chevy Cruze? In this video, I'll show you how to resolve this common issue by replacing the temperature sensors. Sep 17, 2020 · The engine temperature sensor or associated wiring is failing causing the temperature gauge to drop to zero and the Engine Control Unit/computer/module is shutting down the AC to protect the engine. 10- Remove the surge tank cap. The AC compressor is vital to an air conditioning system’s operations because it turns refrigerant gas into liquid. My latest issue is when I get in the car and start it, it immediately says "AC OFF DUE TO HIGH ENGINE TEMP", and then the fan kicks on. I woke up and started the vehicle after sitting for 7 hours, it was the same. But there are times when those high temperatures get in the way, like when it’s hot outside and your Chevy Cruze AC is off due to high engine temp. Additionally, the engine light just turned on. In this guide, we’ll take an in-depth look at what this warning means Jul 22, 2018 · Hi, I got this message ac off due to high temp and my fan keeps running with my temp gage stuck at cold. Idle engine” messages appear. Oct 14, 2021 · The Chevy Cruze is one of the most popular cars on the road. I've checked the oil and coolant levels, and they seem fine. No other check engine lights have ever been on. I’ve had the thermostat, both ECT sensors replaced twice, and the connectors - All Ac Delco or Gm Genuine Parts.
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