Ac off due to high engine temp sensor. A continuously running fan with overheating warnings may indicate a faulty fan relay or temperature sensor. Running the AC without this cooling fan can lead to reduced cooling performance, increased engine load, and potential damage to components. The radiator fan also kicks on as soon as the AC kicks on. This high temperature causes the thermostat to open until the limit stop and stick in the open position. Message on Equinox says A/C off due to high engine temp but coolant is full and gauge is on cold. The thermostat required a bit more in terms of general disassembly. 1 day ago · The condenser fan plays a crucial role in removing heat from the refrigerant in automotive air conditioning systems. I woke up and started the vehicle after sitting for 7 hours, it was the same. My mechanic replaced the temperature sensor, but the issue persists. Common causes of engine backfire include a lean Late 2000s chevys all seem to share this issue and here is how to pull over, fix it, and keep trucking. Jan 6, 2025 · If your A/C turns off due to high engine temperature, you should look for a safe place to park and then check the temperature gauge on your dashboard. Ensure the coolant overflow reservoir is properly When the AC shuts off due to high engine temperature, first inspect the radiator cooling fan operation. Dirt, leaves, or bugs can block airflow and cause the engine to overheat. Fixes 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. Dec 6, 2019 · Unfortunately, replacing the Engine Cooling Temperature Sensor (on radiator) and the Engine Coolant Thermostat (font side of engine) did not fix the issue. Jul 28, 2018 · The sensor light came on saying "AC off due to high engine temp". temp gauge doesnt work even after 20 miles and fan on all the time. The system disables the compressor to reduce engine load and protect vital components. The A/C blowing hot air indicates the system shuts down to protect the engine. When the AC shuts off due to high engine temperature, check the radiator fan operation and coolant levels first. 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 . This protects the overheated engine from getting damaged even more. Jun 18, 2024 · Car is still over heating, say “ac off due to high engine temp” I replaced the coolant hose connector, water pump, coolant temperature sensor, and thermostat. Inspect the radiator fan relay and temperature sensor for faults. This is how you fix a condition where your Chevy vehicle says that your AC is off due to high engine temp. Repeat GM MAF Sensor Failures Blamed on Engine Backfires GM says that repeated instances of Mass Air Flow (MAF) sensor failure on some of their vehicles may be due to engine backfires. This issue can occur if your vehicle’s temperature gauge is not working properly. Also, inspect the radiator fan relay and wiring; a stuck fan running after shutdown may indicate relay issues. AC will not turn on due to high engine temp 360 MVP 82. backyardmechanic. Ensure coolant levels are adequate and thermostat operation is normal to 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. just wondered if the pump has gone again. Jul 7, 2019 · 16 Verano. Oct 13, 2022 · What Does “AC Off Due To High Engine Temp” Mean? If you’re driving and you see the warning “AC Off Due To High Engine Temp” on your dashboard, it means that your car’s engine is too hot and the air conditioning system has been turned off. I replaced the coolant sensor and thermostat, but the engine temperature still stays at C. Oct 20, 2017 · AC Off Due To High Engine Temp (And look at gauges. 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. The AC evaporator temperature sensor is a critical component that monitors cooling performance inside your air conditioning system. Check coolant levels and radiator function. The temperature gauge doesn’t move, and this message shows up even in very cold weather. First it is NOT running hot, had it flushed, replaced thermostat 3 times in 3 months, so far also a sensor, had it checked for possible head gasket problems, you name it they have tested it. The fan runs fine. 5 days ago · C1 & C2 Corvettes - Engine overheating - I purchased a 1966 Corvette 327/350 HP in Nov. Discover why your car's AC turns off when the engine overheats. When the engine temperature gauge stops working and the AC turns off, it could be a sign of engine overheating. Sep 7, 2024 · When you start it a message goes up that says: ac off due to high engine temp, and while saying that the cooling fans come on and stay on after turning the engine off. Idle engine” messages appear. The temperature gauge is not working a I’m currently getting a message that says “AC off due to high engine temp” on my 2013 Chevy Malibu. A common message when the Chevy Cruze is overheating is the “AC Off Due to High Heat Engine Temp” message. Mar 2, 2026 · The “AC Off Due To High Engine Temp” message signals an overheating condition rather than an air conditioning malfunction. So I decided to replace the top engine temp sensor. We have been having this same problem for at least 2 years on and off. Aug 24, 2015 · Just had a message up on dash to say "a/c off due to high engine temp". Trans out to fit thermostat all up $1365. Cleaning the radiator regularly helps keep the engine cool and prevents the AC from turning off. A faulty sensor can send incorrect data, preventing the gauge from moving. Do I need to use the heater if the AC stops working? Using the heater when the AC stops working because of high engine temperature can help. Aug 12, 2021 · 9- Turn the engine OFF and allow the engine to cool down. Low coolant levels also cause overheating. It overheats in heavy stop / go We would like to show you a description here but the site won’t allow us. This article explains what happens when the condenser fan fails, how to recognize symptoms, and what steps to take to minimize risk while I’m currently getting a message that says “AC off due to high engine temp” on my 2013 Chevy Malibu. Another reason for a high value is coolant loss. /25 and have done extensive repairs / updates to it since. And now it i just got the a/c off due to high engine temp message, then it said it was overheating. Within the last week I’ve gotten “AC off due to high engine temp” and the gauge stays on the “cool” side. Jul 28, 2025 · The “AC off due to high engine temperature” warning is a serious issue that can arise in vehicles. If it is low, add coolant and see if that fixes the problem. I check the connector on the coolant exit temperature sensor (GM# 12656444) and found coolant in the sensor connector shroud. Customer: i had my turbo, 02 sensor, and water pump changed then the thermostat. a/c off due to high engine temp. The problem persists. 12- Inspect the concentration of the engine coolant, using GE-26568 tester. If you see the AC off due to a high engine temperature warning on your Chevy Cruze’s dashboard, then you should turn off your car immediately and try to solve this problem. It's crucial to address the underlying cause promptly to prevent further damage to 2011 GMC Terrain AC Off Due to High Temperature Issue Terrain owners often face false high temperature warnings and AC shutdown despite normal engine temps. and I was thinking maybe it was a sensor? When the AC shuts off due to high engine temperature but the gauge stays at cold, check the coolant level and thermostat function. Coolant is full. The coolant gauge always shows low temperature. However, the Engine Coolant Temperature sensor will have a much higher temperature range. Learn the causes, solutions, and prevention tips to keep your cool on the road this summer. / Coolant gauge problem. Jan 8, 2020 · The DIC message of "AC off due to high temp" comes up and the TC P0128 is stored. Nov 17, 2025 · Radiator Fan Runs Immediately After Engine Start If your radiator fan starts running as soon as you start the engine, regardless of the engine's temperature, it’s likely due to a problem with the temperature sensor (CTS). I've brought it into a mechanic, got the thermometer replaced, it worked for approximately 3 days before it was doing the same thing. Ignoring this can lead to severe engine damage. 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. I changed both temp sensors and still the same thing. The coolant temp sensor was a very easy fix, it was basically an unplug and replace part. Customer: I have a 2015 Cruze, and the "AC off due to high engine temp" message keeps appearing, activating the engine fan even though the engine isn't overheating. Let's replace both temperature sensors. Day 10 and 10min from cold start I get a dash warning ‘A/C off due to high engine temp’. The sensor is in a pretty The radiator fan also kicks on as soon as the AC kicks on. . Let's replace the thermostat and Oct 5, 2024 · The AC turns off due to high engine temperature, and the gauge not working indicates a possible sensor issue. It started after we replaced the water pump. ” I scanned it with my OBDII (v519) and found code P0128 – Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature). my reservoir is full, car has beenrunning great. I have a ScanGauge II connected and it reads engine temp at 173 degs F. 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 Dec 17, 2019 · Chevy Cruze 13, AC off due to high engine temp. Finally Names The 5 Worst Employees On American Chopper The 'AC off due to high engine temp' warning despite a low gauge reading suggests possible sensor or wiring issues. Causes of AC off due to high engine temp Chevy Cruze When the engine temperature of your Chevy Cruze rises, it can cause the air conditioning system to shut off, leaving you without cool air. How to bleed the air from the water cooling system of a 2013 Chevy Cruze Fixing AC off due to high engine temp on a 2011 chevy cruze Chevy Cruze radiator sensor - AC off/engine temp needle not moving This video discusses a common issue with Chevy Cruze temperature gauge and offers solutions for high engine temperature causing AC to shut off. 5l. T Oct 16, 2024 · Final Thought The “AC off Due to High Engine Temperature” warning is a safeguard that protects your engine from damage. i had a 2nd water pump fitted a month ago along with a 2nd starter motor. The hardest part by far was sliding off the spring hose clamp attaching the coolant hose to the back of the thermostat. Your engine may already be at a normal operating temperature, but for whatever reason, your gauge tends to read higher than the rest. I have replaced the thermostat, water pump, serpentine belt, bled the coolant lines numerous times, and disconnected the battery. No leaks. 10- Remove the surge tank cap. Just got Mar 24, 2023 · The Ac Off due to high engine temperature equinox is a common problem many people experience while driving their car. Temp gauge is Dirt, leaves, or bugs can block airflow and cause the engine to overheat. Customer: The iMessage indicating that the AC turned off due to high engine temperature appears when I start my 2013 Buick LaCrosse. Check the ECT sensor connector with the key on and the engine off. 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. No smoke coming from exhaust Quick overview of a Chevy Cruze with AC Off Due to High Heat Engine Temp error message. Oct 14, 2021 · 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. If I disconnect and reconnect the battery it fixes itself for a day but then it comes back. If it reads hot, then this means your engine is likely overheating. If the temperature indicator is high, your engine may be overheating. Oct 5, 2024 · The AC turns off due to high engine temperature, and the gauge not working indicates a possible sensor issue. This issue may stem from faulty coolant temperature sensors or wiring harness problems causing incorrect readings. Radiators lose coolant due to minor leaks or evaporation; your thermostat may be damaged, which leads to the AC turning off. Dec 13, 2005 · Your engine may already be at a normal operating temperature, but for whatever reason, your gauge tends to read higher than the rest. If your temp gauge shows cold when your engine is 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. My husband is a mechanic and has replaced every sensor and anything that could be causing the problem and it still keeps happening!! I am so frustrated. Nov 15, 2025 · 2014 VF International Due to coolant leaks I recently had the Thermostat and Water Pump replaced. How to Diagnose a FAULTY Engine Coolant Temperature Sensor | 6 Signs Of A Failing ECT Sensor Paul Teutul Sr. Mechanic's Assistant: Are you working on your SRX yourself? What steps have you taken Jul 19, 2018 · Hello, I have a 2013 Malibu with a 2. If any one of these is damaged or broken, it can lead to a coolant leak which causes overheating and air conditioning shutoff. By understanding the causes and implementing preventive measures, you can ensure a cooler and safer driving experience. Coolant full, no leaks, fan on, have ac and 2016 Buick Verano temp gauge glitch. Its currently 61 degrees outside and my engine gauge was reading cold. When it happens I lose my coolant temp reading. A faulty coolant temperature sensor or a failing instrument cluster often causes the 2008 Equinox gauge to quit and trigger false overheating warnings. Let's change the thermostat and sensors. I got the AC off due to high collant temperature. Ensure the coolant overflow reservoir is properly Oct 10, 2024 · Here’s what’s going on: No check engine light, but I’m getting the message “A/C Off Due to High Engine Temperature. It left the shop last week and I've had problems with the engine overheating - of course we live in Florida with constant hot weather. Let's replace the thermostat and If the temperature gauge stays low and the AC shuts off due to high engine temperature, check the coolant temperature sensor first. A faulty radiator fan relay or motor can cause insufficient cooling, triggering the warning. Cause: After switching off the hot engine the coolant temperature could reach above 130°C. I looked for every possible loose connection (temp sensor connector, fuses, even reseated the ecm connections). Let's get some heat back in our 2013 Chevy Cruze. Oct 16, 2024 · Final Thought The “AC off Due to High Engine Temperature” warning is a safeguard that protects your engine from damage. The engine can overheat if there are cooling system problems. Chevy garage now said the thermostat maybe the issue because its not a GM part, the part is what is sold at 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. Jul 22, 2019 · With the Corvette, symptoms are the temperature gauge is set to stay on C, the engine cooling fan runs at high speed, and the AC is disabled; these are all safety measures because the ECM doesn't trust the temperature sensor under these conditions and chooses a set of parameters to reduce the odds of an actual engine overheat. 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. I am no longer getting the "AC Off due to High Engine Temp" on the dash. Had just started car. Basically I get the warning in the title. Sep 29, 2023 · The AC turns off due to high engine temperature, providing a safe operating condition. A faulty thermostat or a clogged radiator stops heat from going away. Obviously it's not hot, help? AC off due to high engine temp. I have changed my thermostat twice by two different mechanics because they both said this was the issue. My temp gauge has been fluctuating recently. It does this when you first start it while the engine is cold. I replaced the temp sensor and flushed old coolant. 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. Car was running fine for 10 days after repairs. First, check the coolant level and make sure it is full. Mechanic's Assistant: Is the A/C light blinking or flashing, or is it solid? Error message Ac turned off due to high engine temp. Jul 30, 2019 · ac off due to high engine Sorry , most of my post didn’t post. Anyone got any suggestions on where to go from here? The 'AC off due to high engine temp' warning with a cold gauge suggests a faulty coolant temperature sensor or wiring issue. There's about 220,000. AC off due to high engine temp. The message "AC off due to high engine temp" appears. Dec 2, 2022 · If your car’s AC has suddenly shut off due to high engine temperature, it is important to take action quickly, as it can cause serious damage to the engine. Then, took it in and they replaced the radiator 2015 chevy cruze. org site you referenced will chime in with his opinion eventually. Maybe the owner of that Lextech. The coolant system is made up of many different components, including the radiator, hoses, water pump, and thermostat. I got an "ac off due to high engine temp" while driving, however, the temp gauge indicates at bottom Start my vehicle and get AC OFF DUE TO HIGH ENGINE TEMP as soon as I start her up. An overheating engine causing the AC to shut off is an issue that shouldn’t be ignored. Aug 30, 2021 · “AC off due to high engine temp” and “Engine temp too high. For more information read here. If engine did start the “AC Off Due To Engine High Pressure” message was displaying and the engine fan was blowing like crazy. https://www. The sudden buildup of pressure inside the intake manifold that results from a backfire can crack the heated element inside the MAF sensor causing it to fail. Engine temp gauge doesn’t move, drove to the gym and after shut off engine fan was still running. In this guide, we’ll take an in-depth look at what this warning means There is a safety feature in the car’s computer (ECU) that turns the AC off when the engine gets too hot. Get expert repair tips from Auto Vehicle Parts. This situation can be alarming and inconvenient. I used a regular socket set, screwdrivers, and a regular set of pliers. The Funniest Moments In Talk Show History Compilation Doing This Will Make Your Car's Heat Blow Twice as Hot Fixing 'AC Off Due to High Engine Temp' Error on 2011 Chevy Cruze Apr 22, 2021 · Fixing AC off due to high engine temp on a 2011 chevy cruze WrenchTheory501 44. The dealerships 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 radiator fan runs at high speed even after a cold start, and I’ve confirmed that the coolant level is okay. Car has 79,900 miles. When this sensor fails, your AC system loses the ability to regulate itself properly, leading to inconsistent temperatures, compressor damage, and uncomfortable cabin climates. Hi! So, I have a 2016 Cruze LT, only about 50K miles. levels look ok but engine lumpy. my car had a notification pop saying ac off due to high engine temp but my gauge is on cold and my car isn’t over heating. 2K subscribers Subscribe Sep 29, 2023 · The AC turns off due to high engine temperature, providing a safe operating condition. Regularly inspect the radiator, hoses, fans, and thermostat. Keep in mind all other cooling system components should also be checked for failures, such as the water pump, cooling fan, thermostat, and radiator. A stuck-open thermostat can prevent the engine from reaching operating temperature, causing the gauge to stay low while the fan runs continuously. I had it towed back to the shop and they said it was the thermostat sticking open and won't shut, and it would need to be replaced. We would like to show you a description here but the site won’t allow us. I first replace the thermostat, then took it to autozone for the obd and it pulled the code for the coolant temp sensor. 13- Rinse away any excess coolant from the engine and engine compartment. 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. 11- Check the coolant level and fill to the COLD mark if necessary. I checked my coolant and the car has coolant in it. When the AC shuts off due to high engine temperature but the gauge stays at cold, check the coolant level and thermostat function. 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. So let’s dive into this issue, why it happens, what you can do about it and how fast you can cool down your car. Standard Temp Sensor TX89 for 2016 Buick Verano Ac off due to high engine temp. The sensor may send incorrect signals, triggering the AC to disable as a protective measure. In fact my engine temp was not reading at all and was showing the lowest temp possible. Replacing the temperature sensor and thermostat is common, but persistent faults may indicate faulty wiring, a failing coolant temperature sensor, or ECU errors. 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. I've been having this reoccurring issue over the last two months of the 'AC Off Due to High Engine Temp' message with the engine temp being all the way to cold. 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. Explore DwyerOmega's comprehensive range of industrial sensing, monitoring, and control solutions—from thermocouples to pressure transducers—engineered for precision and reliability. 1K subscribers Subscribe Oct 5, 2024 · The AC turns off due to high engine temperature, and the gauge not working indicates a possible sensor issue. org/erro The most common cause of the “ac off due to high engine temp” fault is coolant loss due to a leak. I check the ECM with the ScanGauge II and it shows a bunch of odd-ball codes which have no meaning. szybtm uvprx iexfu cphi agauya yicn nwo fnxksd rtrus xdmtnx