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Once the temp gets so hot, the ECU commands the radiator fan to come on. If your Suburban has a bad engine temp sensor the radiator fan won’t know to come on, because the ECU won’t know how hot the engine is. You’ll need to locate and test the engine temp sensor. Depending on the model year and engine, the location varies.Your vehicle is equipped with a **fan clutch which** is a thermostatic engine cooling **fan** that can freewheel at low temperatures when cooling is not needed, allowing the engine to warm up faster, relieving unnecessary load on the engine.3. Bad ECU Unit. Your Chevy’s engine control unit signals the fan when to turn off or keep running. A defective ECU will result in the fan not knowing when to stop running. 4. Low Coolant Level. The car coolant is the liquid that removes heat from the radiator. The lower the coolant level, the less effective it’ll be.

Unplug the a/c high pressure switch. If the ECM sees that the high pressure is very high it will command the fans to be on, in an attempt to lower the pressure. If the fans kick off when you unplug the sensor you have found the issue. If not, I'd say take it to someone that has access to the factory scan tool and service information to diagnose it. What I have seen Ken is a lot of thermostat issues on these Chevrolets, if the engine computer thinks (from inputs of various sensors) that the engine is running warm it will command the engine cooling fans on for an extended period of time. When a thermostat fails it will either open too fast or stay partially closed, both failures are not ...The sensor had failed, making the gauge read "0". As a failsafe since it has no idea what the actual coolant temp is, the PCM commands both fans on high speed and keeps the A/C off to prevent extra heat from the condenser. It also runs the fans for about five minutes after the key is turned off. Watch the first eight minutes of this veideo:Top Causes of a P0128 Code or a Radiator Fan That Won’t Turn Off. If there is an issue with any of these parts, the computer can turn the radiator cooling fans on high to prevent the engine from overheating. 1. Overheating Engine. The engine could be overheating from a problem with the cooling fans. This can be noticeable at idle, which is ...2 posts · Joined 2021. #1 · Apr 23, 2021. Hello everyone. First post here. I have a 2015 Silverado 4.3. My temp gauge stops working and my fans stay on high. I’ve replaced my temp sensor and it is still doing it. If I unplug the battery and reconnect everything will work just fine for a few days, and then stops working again.

For chevy silverado 1500/2500/3500 hd / classic a/c cooling fan 2007-2013 8-cylBest 2005 chevy silverado cooling fan 2000 chevy suburban engine sizeCooling tahoe silverado condenser radiator yukon. Check Details. Buy 2015 chevrolet silverado 1500 dual radiator and condenser fan assembly in canadaYour thermostat could be stuck open or and probably more likely your coolant temp sensor has failed. When it fails the ecu goes into a protect mode and acts as if the engine is overheating. Blue Bowtie. 05-02-2021, 10:07 AM. ... your coolant temp sensor has failed. That's the first place I would look. ….

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A/C Blower motor stays on after I remove the ignition key, Chevy, GMC, Cadillac, full size trucks and SUVs and some mid size trucks and SUVs. How to diagnose...If the fans are running on “high” speed after the engine is turned off … it could be the same issue. The engine coolant temperature sensor failed and this caused the ECM to default into running the fans at full speed. They also ran for about 10 minutes after the engine was turned off. I suppose this is a safety feature since there was no ...

Yes, key off and removed. I stopped and removed the key at 3 different stops today and the blower motor stayed on the whole time. When I got home, I let it run for about 15 minutes then disconnected the battery. The blower motor then shut off. After about 10 seconds I reconnected the battery and the blower was off.The best remedy for this is getting your A/C serviced. From you description, it sounds as though the system isn’t building enough pressure, and by relation enough heat to turn the cooling fans on. In other words, the system is low on refrigerant. I would confirm this by connecting A/C gauges to the system to see what the pressures are on the ...

shadbase arrested Find 9 used 2015 Chevrolet Suburban in Chicago, IL as low as $10,300 on Carsforsale.com®. Shop millions of cars from over 22,500 dealers and find the perfect car. shaw modified setup sheetconsulado mexicano en fort worth tx 2023 3. Cooling fans stay on at all times. If the cooling fans are staying on at all times, this is another (less common) symptom of a possible problem with the cooling fan relay. If the relay shorts internally, it may cause power to be permanently switched on, which will cause the fans to run at all times. amherst new york police blotter Nov 9, 2022 · What I have seen Ken is a lot of thermostat issues on these Chevrolets, if the engine computer thinks (from inputs of various sensors) that the engine is running warm it will command the engine cooling fans on for an extended period of time. When a thermostat fails it will either open too fast or stay partially closed, both failures are not ... mike pence net worthlagrange county sheriff salelgs easton The cooling fans just recently started staying on after I shut off the engine. The temperature gauge stays around 165 degrees, even while driving. The A/C also … menards emerald green arborvitae World of Hyatt fans have historically had limited options for stays in the Asia-Pacific region ... but that's about to change. We may be compensated when you click on product links... ella dorsey marriedelden ring strength faith build statslongs ad kauai 5. If a normal temperature can ge reached, the new engine coolant thermostat appears to be leaking and defective. Ask Your Own Chevy Question. When the fans are on the gauge doesn't move from the bottom. But when the fans stop the gauge temp records a normal temp of about 240. Chevy Mechanic: jim.