Ac off due to high engine temp sensor. It does this when you first start it w...

Ac off due to high engine temp sensor. It does this when you first start it while the engine is cold. If the temperature indicator is high, your engine may be overheating. Let's get some heat back in our 2013 Chevy Cruze. Replacing the temperature sensor and thermostat is common, but persistent faults may indicate faulty wiring, a failing coolant temperature sensor, or ECU errors. The engine can overheat if there are cooling system problems. The thermostat required a bit more in terms of general disassembly. Its currently 61 degrees outside and my engine gauge was reading cold. 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 . 2K subscribers Subscribe Sep 29, 2023 · The AC turns off due to high engine temperature, providing a safe operating condition. This issue can occur if your vehicle’s temperature gauge is not working properly. When the engine temperature gauge stops working and the AC turns off, it could be a sign of engine overheating. ” I scanned it with my OBDII (v519) and found code P0128 – Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature). Cause: After switching off the hot engine the coolant temperature could reach above 130°C. 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. No leaks. The hardest part by far was sliding off the spring hose clamp attaching the coolant hose to the back of the thermostat. If engine did start the “AC Off Due To Engine High Pressure” message was displaying and the engine fan was blowing like crazy. Within the last week I’ve gotten “AC off due to high engine temp” and the gauge stays on the “cool” side. 5 days ago · C1 & C2 Corvettes - Engine overheating - I purchased a 1966 Corvette 327/350 HP in Nov. A continuously running fan with overheating warnings may indicate a faulty fan relay or temperature sensor. 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. Customer: The iMessage indicating that the AC turned off due to high engine temperature appears when I start my 2013 Buick LaCrosse. Aug 12, 2021 · 9- Turn the engine OFF and allow the engine to cool down. Check the ECT sensor connector with the key on and the engine off. 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. When it happens I lose my coolant temp reading. Customer: i had my turbo, 02 sensor, and water pump changed then the thermostat. Aug 30, 2021 · “AC off due to high engine temp” and “Engine temp too high. Basically I get the warning in the title. 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. The coolant gauge always shows low temperature. Keep in mind all other cooling system components should also be checked for failures, such as the water pump, cooling fan, thermostat, and radiator. It started after we replaced the water pump. 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. T Oct 16, 2024 · Final Thought The “AC off Due to High Engine Temperature” warning is a safeguard that protects your engine from damage. For more information read here. 12- Inspect the concentration of the engine coolant, using GE-26568 tester. I have changed my thermostat twice by two different mechanics because they both said this was the issue. Standard Temp Sensor TX89 for 2016 Buick Verano Ac off due to high engine temp. A stuck-open thermostat can prevent the engine from reaching operating temperature, causing the gauge to stay low while the fan runs continuously. This situation can be alarming and inconvenient. 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. 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. How to Diagnose a FAULTY Engine Coolant Temperature Sensor | 6 Signs Of A Failing ECT Sensor Paul Teutul Sr. Low coolant levels also cause overheating. 10- Remove the surge tank cap. 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. Discover why your car's AC turns off when the engine overheats. It overheats in heavy stop / go We would like to show you a description here but the site won’t allow us. By understanding the causes and implementing preventive measures, you can ensure a cooler and safer driving experience. 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. Another reason for a high value is coolant loss. Cleaning the radiator regularly helps keep the engine cool and prevents the AC from turning off. If it reads hot, then this means your engine is likely overheating. 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. I woke up and started the vehicle after sitting for 7 hours, it was the same. The fan runs fine. A faulty sensor can send incorrect data, preventing the gauge from moving. Inspect the radiator fan relay and temperature sensor for faults. No smoke coming from exhaust Quick overview of a Chevy Cruze with AC Off Due to High Heat Engine Temp error message. Day 10 and 10min from cold start I get a dash warning ‘A/C off due to high engine temp’. /25 and have done extensive repairs / updates to it since. 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). 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. Let's change the thermostat and sensors. However, the Engine Coolant Temperature sensor will have a much higher temperature range. levels look ok but engine lumpy. I've brought it into a mechanic, got the thermometer replaced, it worked for approximately 3 days before it was doing the same thing. Jul 28, 2018 · The sensor light came on saying "AC off due to high engine temp". In fact my engine temp was not reading at all and was showing the lowest temp possible. Dirt, leaves, or bugs can block airflow and cause the engine to overheat. I used a regular socket set, screwdrivers, and a regular set of pliers. The radiator fan runs at high speed even after a cold start, and I’ve confirmed that the coolant level is okay. Your engine may already be at a normal operating temperature, but for whatever reason, your gauge tends to read higher than the rest. Let's replace both temperature sensors. 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. Radiators lose coolant due to minor leaks or evaporation; your thermostat may be damaged, which leads to the AC turning off. 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. Idle engine” messages appear. Late 2000s chevys all seem to share this issue and here is how to pull over, fix it, and keep trucking. Car was running fine for 10 days after repairs. First, check the coolant level and make sure it is full. We would like to show you a description here but the site won’t allow us. Running the AC without this cooling fan can lead to reduced cooling performance, increased engine load, and potential damage to components. 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. We have been having this same problem for at least 2 years on and off. This protects the overheated engine from getting damaged even more. A faulty coolant temperature sensor or a failing instrument cluster often causes the 2008 Equinox gauge to quit and trigger false overheating warnings. Get expert repair tips from Auto Vehicle Parts. 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. The coolant system is made up of many different components, including the radiator, hoses, water pump, and thermostat. 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. 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. The radiator fan also kicks on as soon as the AC kicks on. I replaced the temp sensor and flushed old coolant. The AC evaporator temperature sensor is a critical component that monitors cooling performance inside your air conditioning system. The temperature gauge doesn’t move, and this message shows up even in very cold weather. AC off due to high engine temp. 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. Coolant full, no leaks, fan on, have ac and 2016 Buick Verano temp gauge glitch. There's about 220,000. The sensor is in a pretty The radiator fan also kicks on as soon as the AC kicks on. I first replace the thermostat, then took it to autozone for the obd and it pulled the code for the coolant temp sensor. 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. Engine temp gauge doesn’t move, drove to the gym and after shut off engine fan was still running. Message on Equinox says A/C off due to high engine temp but coolant is full and gauge is on cold. 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. I checked my coolant and the car has coolant in it. just wondered if the pump has gone again. This is how you fix a condition where your Chevy vehicle says that your AC is off due to high engine temp. / Coolant gauge problem. Hi! So, I have a 2016 Cruze LT, only about 50K miles. 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. Check coolant levels and radiator function. The problem persists. 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. 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. 11- Check the coolant level and fill to the COLD mark if necessary. 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. Temp gauge is Dirt, leaves, or bugs can block airflow and cause the engine to overheat. I have a ScanGauge II connected and it reads engine temp at 173 degs F. AC will not turn on due to high engine temp 360 MVP 82. So I decided to replace the top engine temp sensor. Had just started car. When the AC shuts off due to high engine temperature but the gauge stays at cold, check the coolant level and thermostat function. 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. Jan 8, 2020 · The DIC message of "AC off due to high temp" comes up and the TC P0128 is stored. Obviously it's not hot, help? AC off due to high engine temp. A common message when the Chevy Cruze is overheating is the “AC Off Due to High Heat Engine Temp” message. i had a 2nd water pump fitted a month ago along with a 2nd starter motor. Regularly inspect the radiator, hoses, fans, and thermostat. Oct 20, 2017 · AC Off Due To High Engine Temp (And look at gauges. 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. 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. 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 Dec 17, 2019 · Chevy Cruze 13, AC off due to high engine temp. This issue may stem from faulty coolant temperature sensors or wiring harness problems causing incorrect readings. Explore DwyerOmega's comprehensive range of industrial sensing, monitoring, and control solutions—from thermocouples to pressure transducers—engineered for precision and reliability. Jul 30, 2019 · ac off due to high engine Sorry , most of my post didn’t post. Trans out to fit thermostat all up $1365. 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. a/c off due to high engine temp. 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. The sensor may send incorrect signals, triggering the AC to disable as a protective measure. Also, inspect the radiator fan relay and wiring; a stuck fan running after shutdown may indicate relay issues. If it is low, add coolant and see if that fixes the problem. temp gauge doesnt work even after 20 miles and fan on all the time. 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. https://www. Oct 5, 2024 · The AC turns off due to high engine temperature, and the gauge not working indicates a possible sensor issue. 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. My mechanic replaced the temperature sensor, but the issue persists. 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. 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. 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. 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. Mar 2, 2026 · The “AC Off Due To High Engine Temp” message signals an overheating condition rather than an air conditioning malfunction. If any one of these is damaged or broken, it can lead to a coolant leak which causes overheating and air conditioning shutoff. I replaced the coolant sensor and thermostat, but the engine temperature still stays at C. When the AC shuts off due to high engine temperature, check the radiator fan operation and coolant levels first. Sep 29, 2023 · The AC turns off due to high engine temperature, providing a safe operating condition. I check the ECM with the ScanGauge II and it shows a bunch of odd-ball codes which have no meaning. 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. 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. And now it i just got the a/c off due to high engine temp message, then it said it was overheating. The A/C blowing hot air indicates the system shuts down to protect the engine. 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 have replaced the thermostat, water pump, serpentine belt, bled the coolant lines numerous times, and disconnected the battery. 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. Ensure the coolant overflow reservoir is properly When the AC shuts off due to high engine temperature, first inspect the radiator cooling fan operation. 5l. A faulty radiator fan relay or motor can cause insufficient cooling, triggering the warning. If I disconnect and reconnect the battery it fixes itself for a day but then it comes back. 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. 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. 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. org/erro The most common cause of the “ac off due to high engine temp” fault is coolant loss due to a leak. Aug 24, 2015 · Just had a message up on dash to say "a/c off due to high engine temp". I check the connector on the coolant exit temperature sensor (GM# 12656444) and found coolant in the sensor connector shroud. my reservoir is full, car has beenrunning great. 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. backyardmechanic. The system disables the compressor to reduce engine load and protect vital components. I changed both temp sensors and still the same thing. The message "AC off due to high engine temp" appears. 1 day ago · The condenser fan plays a crucial role in removing heat from the refrigerant in automotive air conditioning systems. When this sensor fails, your AC system loses the ability to regulate itself properly, leading to inconsistent temperatures, compressor damage, and uncomfortable cabin climates. A faulty thermostat or a clogged radiator stops heat from going away. An overheating engine causing the AC to shut off is an issue that shouldn’t be ignored. 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. Jul 28, 2025 · The “AC off due to high engine temperature” warning is a serious issue that can arise in vehicles. 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 site you referenced will chime in with his opinion eventually. My temp gauge has been fluctuating recently. 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. 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. Fixes AC Off Due to High Engine Temp. Learn the causes, solutions, and prevention tips to keep your cool on the road this summer. 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. 13- Rinse away any excess coolant from the engine and engine compartment. I looked for every possible loose connection (temp sensor connector, fuses, even reseated the ecm connections). I got the AC off due to high collant temperature. The coolant temp sensor was a very easy fix, it was basically an unplug and replace part. 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. 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. Ignoring this can lead to severe engine damage. This high temperature causes the thermostat to open until the limit stop and stick in the open position. 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. Nov 15, 2025 · 2014 VF International Due to coolant leaks I recently had the Thermostat and Water Pump replaced. Car has 79,900 miles. 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. Maybe the owner of that Lextech. . Then, took it in and they replaced the radiator 2015 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. Jul 7, 2019 · 16 Verano. 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. I am no longer getting the "AC Off due to High Engine Temp" on the dash. urwt yea jtclloj hqsor djcjma dejbro mirun xcnmh jtvgrc ehovw