Silverado fan keeps running when truck is off

Maybe try just disconnecting the positive battery cable and short it to ground for about 10 minutes. Then reconnect it and turn ignition to on (not start) and let everything come up and stabilize, and then start it. 2015 Sierra 1500 LD 2wd 4.3L V6 SCSB Silver Ice Metallic Lowered. 2015 Sierra 1500 LD 4x4 5.3L V8 SCSB Iridium Metallic Leveled.

2016 chevy silverado fan keeps running after engine is shut. 2016 chevy silverado fan keeps running after engine is shut off ... my computer is showing (truck running hot a/c off,but the truck is not running hot,and resivoir is full of anti-freeze, and both fans were running.could this be a sensor? ...Next use a laser pointer attached to the drivers side seat and aim it at that exact spot. Open the passenger door and sit in that seat. Place your left hand slightly below and to the right of the mark. The, using your right hand, grasp your trusty 16 oz. ball peen hammer and smash the screen right at that spot.Under normal conditions a vacuum solenoid would shut off the diesel when the ignition was turned off. Anyway, don't know if the big rigs are somehow fundamentally different, but a diesel requires no ignition to run. So, when the ignition is turned off, something must activate to stop the flow of diesel fuel.9 posts · Joined 2019. #1 · Oct 14, 2023. Hello, This past week, my truck went into engine power is reduced mode and the truck started shaking pretty rough. I had this issue, minus the shaking, a few years ago. All I did then, was clean the throttle body with throttle body cleaner and that was that, never came up again for a few years until now.2 days ago after driving 32 miles to work, I stopped at MCdonald's and while waiting my car starts beeping saying running hot turn off AC (was not on) while driving the temp staying within the normal …

The code that gets thrown out most often after the issue happens is BA222. It turns out the code is a GM specific code for "system anomaly". Basically, there are two temp sensors, one for the gauge and one for the ECM. After the truck is running for a short time while the outdoor air temp is very mild (in the upper 50s or lower 60s) the ECM ...262 posts · Joined 2013. #3 · Aug 19, 2013. I know two people who had similar symptoms and it was the battery. The one guy had similar issues with the electronics while driving he said it was almost like the vehicle was shut off and restarted in a split second while driving and he also has starting problems. The second guys truck acted like ...92 posts · Joined 2014. #1 · Jul 20, 2015. My 2006 Silverado with 5.3l engine has been overheating lately when I let it idle for around 4 minutes or so. It's temp gauge has always read at just before the 210 mark since new but the other day while at a drive thru it started climbing higher and the temperature here has been high 80s to mid 90s ...Wait a few minutes for the engine to cool off naturally; the fan should eventually turn off. You can open the bonnet to allow air into the engine. Disconnect the Battery Terminal. If the fan keeps running for a more extended period, then the best you can do is disconnect the negative terminal of your car's battery.Check your coolant temp gauge next time it happens. If it's reading zero and the fan is running for 10 minutes after you turn your car off, it's more than likely your thermostat. You also might be due for a battery, especially if it's the original battery. If thermostat, it's a $50 part and pretty easy to replace yourself.Yep, fan doesn't run when car is turned off now and temp gauge is working again. Chevy Mechanic: Yeah you better get that checked may have a bad sensor or a wiring issue to the computer. Ok then it wont be easier to eliminate items, the most common seem to be fuel tank pressure sensor and oil sender then everything else is single digits repairs.

Nov 23, 2021 · 2014 sierra ...cooling fan keeps running. wont turn off after driving ,stays on for five to ten minuets. in the morning as soon as i start the truck, fan's turn on. replaced the temp switch ...still the same. pulled fuses 12 & 13 (40amp) to turn off. what is the fix please. Hello and Welcome to JUSTANSWER! I'm so sorry you're having vehicle ...Elevendaysgrace Discussion starter. 1 post · Joined 2022. #1 · Dec 11, 2022. I have a 2014 Silverado that the fans keep coming o. As soon as you start it. It doesn't have a code thrown. I replaced the thermostat sensor and nothing changed. I also hook up my code scanner and the service stabilitrak light comes on. Any help would be grateful.1-remove the radiator/reservoir cap when the engine is cold. 2-start the engine and let idle. 3-turn the heater on max. 4-keep coolant on hand and add it as needed. 5-some coolant may gush out with the air. 6-keep doing this until the engine is at operating temperature and the heater is hot. 7-after the coolant settles down and the engine is ...2015 Chevrolet Tahoe. Asked by Visitor in Bakersfield, CA on December 22, 2020. No reading on temperature gauge. Fan keeps running on radiator. Even after engine is shut off. How long have you had this problem? one week.It commands the fans on when it thinks the engine temp is too high. It is designed to do this after the key has been turned off to cool the engine after it is shut off. Again, this will only happen if the temperature sensor reports the engine is too hot. Therefore, as I said in November, the temperature circuit is reporting that the engine temp ...

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8670 posts · Joined 2015. #8 · Nov 10, 2023. ...5 year old thread, and the o.p. hasn't logged onto the site since then, you aren't going to get a response from that uesr. 2004 Sierra 3500 dually, 6.0L extended cab, cab&chassis flatbed, upgraded to 4wd. 2012 Silverado 3500 dually, 6.0l, crew cab, long box replaced w flatbed.Oct 3, 2022 · 2014 Chevy 1500 Silverado V6 radiator cooling fan keeps coming on. I already replace the temperature control, it quit for 2 weeks and now comes back on periodically. What say you to fix this situation …Try tapping on the resistor. If the contacts are "welded" from too much amperage draw, it should stop with a gentle tap (the high speed relay is in the resistor). If it's not that, like rigrat said, new controller is next (or some crazy wiring issue). 2012 GMC 2500 SLT 4x4. --- Arizona Diesel Club ---.Mar 31, 2024 · In order to trigger the fan activation signal, the ECM uses the Engine Coolant Temperature as an input value. Which means that there are couple possibilities that could cause this condition : Faulty fans ( Shorted internally ) Wiring issue ( Shorted ) Faulty ECM. Faulty engine coolant temperature sensor.

HVAC in manual control with the fan on. If I select anything other than 90 deg f. (Max), the AC turns on and the air gets frigid. This occurs no matter if I select 90 on the passenger or the driver side. If I lock out the A/C compressor (with the A/C off button), the temp control fine all the way through the range.cooling fan will not come on until about 230 degrees, if fans still do not work. check the fuses and relay. if ok then run a wire to fan from battery.on fan side connection, run a wire from battery positive to fan connection. run a wire from negative to ground connection.if fan will not come on it is either bad or the coolant temp, sensor is ...Mile_High. 546 posts · Joined 2009. #8 · Apr 20, 2010. Sounds like the ignition switch is the issue. My truck won't always start, it just doesn't close the circuit, so I have to pull back and try it again. Sounds like you have the inverse issue. 2 Transfer cases claimed by pump rub... 2001 Bowtie 2500HD, 198K, LB7, Extended Cab, Short Bed ...Jan 18, 2021 ... 2009 Chevy Silverado Cooling Fan Fuses & Relays ... Cooling Fans Not Running. El Ceza•5.8K views ... Radiator Fan Wont Turn Off On Chevy Silverado ...2. Radiator Fan. Depending on the model year and the engine, your Silverado could have a clutch fan or an electric fan. A bad fan can cause your engine to run hot. The fan pushes air over the radiator to keep it running cool. When you are out on the highway, the wind passing over the radiator is more than enough to keep it cool.Jan 3, 2020 · Cooling fans running on high speed. I have a 2014 Chevy Silverado 1500 5.3l that I am having a issue with the cooling fans running on high occasionally. When this happens my temp gauge will read zero and when I kill the engine the fans stay on. The only way to shut them off is to crank the engine and shut it right back off.When this happens, check the ignition switch alignment and see that the switch is turned completely off. If the switch is turned off, then while the engine is still trying to run, disconnect the power to the ignition coil pack and the engine should stop running. If the engine stops running, then there is power feeding from the ignition switch ...Thermostat Replacement. One potential solution to the issue of the Chevy Silverado fans continuously running is to replace the thermostat. A malfunctioning thermostat can lead to engine overheating, which in turn can trigger the fans to operate incessantly. For diagnosing this issue, a code reader can be utilized.First, if the engine runs hot or overheats, this could be a sign that the relay is not working properly. Additionally, if the cooling fans don’t work or if they keep running, even when the engine is turned off, this could also be indicative of a faulty relay. Warning lights on the dash may also come on if the relay is not working properly.Mar 26, 2016 · It’s really a simple concept: the blower motor controller pulses either the power or the ground circuit on and off depending on which fan setting you choose. For example, if you set the fan to the lowest speed, the controller may provide power for 3/10 of a second every second, while providing power or ground for 7/10 of a second every second ...

2014 chevy silverado fan wont shut off 2007*-2013 silverado 1500 dual cooling fan Fans fan radiator engine cooling 2005 chevy replacement carid shrouds silverado 2008 semi parts repair 2006 auto blades truck 2007. 2014 Chevy Silverado Fan Stays On After Car Is Off 99-06 silverado electric fan install, not aftermarket. 09 2009 chevrolet ...

The code that gets thrown out most often after the issue happens is BA222. It turns out the code is a GM specific code for "system anomaly". Basically, there are two temp sensors, one for the gauge and one for the ECM. After the truck is running for a short time while the outdoor air temp is very mild (in the upper 50s or lower 60s) the ECM ...Reason 2: Clogged Fuel Filter. Another potential cause of a Chevy Silverado shutting off while driving and failing to start is a clogged fuel filter. The fuel filter serves as a critical component in preventing harmful contaminants and impurities from entering the engine. Over time, the fuel filter can become obstructed, diminishing the flow of ...The security light will be on or flashing for the 11-minute period. Do not proceed to Step 2 until the security light turns off or stops flashing. 2. Turn the ignition switch to the OFF position for 30 seconds. 3. Turn the ignition switch to the ON position as in Step 1 for 11 minutes. 4. Turn the ignition switch to the OFF position for 30 ...BLOWER FAN WILL NOT SHUT OFF EVEN WHEN TRUCK TURNED OFF. Sounds like the blower control module. Alo inpect the multi wire plug,they sometimes get damaged from the heat. The module and plug should be in the immediate vicinity of the blower motor,generally behind or below the glove box. Aug 22, 2014 • 2005 GMC Sierra.It commands the fans on when it thinks the engine temp is too high. It is designed to do this after the key has been turned off to cool the engine after it is shut off. Again, this will only happen if the temperature sensor reports the engine is too hot. Therefore, as I said in November, the temperature circuit is reporting that the engine temp ...Jumped it off and all was fine until I got to job and took key out of ignition to find it still running, all accessories turned off as should. Also once key was turned to the off position the transmission went into a limp mode where it would not shift out of 3rd and had poor performance. The only way to correct the transmission and engine power ...Any help will be greatly appreciated!!! Bang on bottom of blower box with fan speed on high it is under pass side below glovebox if fires on bad fan. Also the resistors are common to burn out. If replacing motor do resistor at same time and inspect harness connector for charring. Blower works on Highest speed.

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Mar 30, 2020 ... Comments162 ; Radiator Fan Won't Turn Off? GUARANTEED FIX for 2014-2019 Chevy Silverado & GMC Sierra trucks! The Brothers Workshop · 55K views.10110 posts · Joined 2011. #22 · May 3, 2012. There was no recall for this problem, but there was a TSB at some point. Call GM Customer Service at 1-800-222-1020, tell them what happened, and ask about policy number 10240. They will connect you to a dealer in your area who will shcedule a time for the repair.The fan in your truck has an electronically controlled viscous clutch. There's always a little drag inside so the fan always spins a bit, usually between 3 and 500 rpm going down the road. When the ECM sees coolant temps getting up beyond 200F it will start to slowly engage the fan bit by bit, with full engagement happening around 207-212F.Well maybe I owned two 90/94 models. Have you looked at your switch closely. You may end up having to put new switch in. Had similar problem in both of my old trucks, check switch for looseness when it makes contact when on and also check for a burnt smell coming from switch either one of these indicates you will need new switch and maybe that is your problem.May have been due to a DPF regeneration in progress when you shut off the truck. SOLD: 2017 Ram 1500 Outdoorsman 4X4 Crew Cab. Delmonico Red Pearl with an Ecodiesel V6, 6'4" box, 3.92 axle and anti-spin. Aftermarket options: Undercover SE tonneau cover, Aries 6" SS steps, Dee Zee rubber bed mat, 3M, WeatherTech all-weather mats.I have a 2005 1500 silverado and the radiator fans are staying on after the truck is off and drained my battery dead. ... cleared codes, and SES has not turn back on, but the cooling fan is still draining the battery. I read some post ... tps replaced..if i start my truck and the service engine light is on my truck will stall out. if the ...Graph sensor readings like ECT and coolant levels against fan activation points. Look for sensors stuck at high values when fans run. 5. Pressure Test Cooling System. Pressurize the cooling system and inspect for leaks indicating low coolant conditions that could trigger the fans. 6.Dec 28, 2022 · It’s usually normal for a fan still running when car is off for several minutes. This phenomenon cools down the generating engine’s heat, extending the engine’s lifespan. However, in case of the fan running when car is off for a long time, there are problems with the cooling system. Check related components, such as coolant level ...Now you know that - in many cars - the electric cooling fan circuits are hot all the time. Something goes wrong and the fan (s) run whether the key is on or off. Please update your profile to show which model year your SRX is - it sometimes makes a difference in parts and advice. If it won't run, chrome it.Why would my fans be running high when my trucks off in a 2016 Chevy Silverado 1500 and I've changed my temp sensor once - Answered by a verified Chevy Mechanic. ... 2014 Chevy 1500 Silverado V6 radiator cooling fan keeps coming on. I already replace the temperature control, it quit for 2 weeks and now comes back on periodically. ...The 2015 Chevrolet Silverado 1500 pickup truck has a maximum towing capacity of 12,000 pounds. This requires the trim level with the EcoTec3 6.2L V8 engine. The Chevrolet special e...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. ….

Radiator Cooling Fan Keeps Running When Car Engine Is Off And It Won't. Chevy silverado fan stays on (6 reasons fan keeps running) Best 2005 chevy silverado cooling fan 09 2009 chevrolet silverado 2500 hd radiator fan assembly. Silverado factory electric fan installGM Mechanic: GM Tech (Cam) This is a faulty thermostat. It is opening too soon and causing the system to not warm up properly, and it defaults to no AC, fans on and such. The thermostat is VERY easy to change. 3 bolts on the black housing on the upper rad hose. Ask Your Own GM Question.Sep 2, 2019 · Serpentine belt keeps getting thrown. So about 6 months ago my truck threw it's first belt since owning it. I replaced the belt only to have it thrown again a week later. Upon further inspection, a replaced idler pulley, and re alignment of the power steering pulley still throwing belts. I attempted to change the fan clutch, as it is always ...Old problem and requires a 6 our coldsoak to turn the fan off when you start. Block heater is not supposed to be used above -18c but you are well below that. Look up "3.0 fan runs" on GMTechlink.com for info- you will probably have to tell your dealer how to fix it. 1957 GMC 1 ton flatbed with 22K original miles.I have a 2005 Chev Silverado Crew Cab - 5.3l and the radiator cooling fan is starts running with the engine shut off and cool several minutes after the engine has been shut off. Bad relay or temp sens …My problem is when the ignition is off the blower motor for the a/c-heater keeps running. My electric windows also work when the ignition is off. ... I have an 01 Z71 Silverado, the heater blower stays on even if the truck is off and the keys are out of the ignition. ... I went to turn off truck and the heater fan did not shut off, even when ...Check the radiator for cracks in the tank or damage to the fins. Next check the hoses, as mentioned above, for cracks or connection issues. Lastly, you'll want to check the freeze plugs for leaks. The plugs will be on either side of the engine block and are metal disks from 1.5 to 2.5 inches in diameter.Some customers may comment that the blower motor is inoperative or continues to run after the vehicle has been shut off. Cause. These conditions may be caused by a blower motor control module failure. This failure may occur when the vehicle is operated in ambient temperature conditions of-23 °C (-10 °F) or below.8090 posts · Joined 2015. #11 · Feb 25, 2024. It was already suggested to check for codes. And you might consider that there is a wiring and/or connector problem. 2004 Sierra 3500 dually, 6.0L extended cab, cab&chassis flatbed, upgraded to 4wd. 2012 Silverado 3500 dually, 6.0l, crew cab, long box replaced w flatbed.My 2016 Silverado's fans stay on after turning it off. They stay on for about 5-10 minutes. Temperature gauge moves when I turn the truck on but stays at 160. Silverado fan keeps running when truck is off, 2023 3.0 engine fan roaring. 150 miles, 20's at night, not plugged in. When started the engine fan is running full blast. 6 starts and stops but still running on high after starting. No codes or CEL are shown. I can't figure out why the fan is constantly running. I'll take it to the dealer Monday morning., Mar 30, 2024 · Here are some reasons why your fan won’t turn off. Low Coolant Level. If you notice that your fan keeps running even after the engine has been shut off, then it could be that the coolant levels are low. It could be leaking from the water pump, and this reduces the amount of coolant. In turn, it could keep the fan running. Faulty Radiator, Nov 11, 2015 · 6 posts · Joined 2015. #9 · Nov 11, 2015. the truck when in originally because the transmission was acting up and the abs light and the brake like we're on. they found the tcm was shorted internally and replaced it. after that it started with the engine running with the key off and out. they checked it and said the tcm was shorted internally ..., The silverado fan may keep running when the truck is off due to a faulty fan relay or a wiring issue. This can cause the fan to continue operating even after the engine is shut down. To fix this issue, it is recommended to have the truck inspected by a qualified mechanic to determine the exact cause and perform any necessary repairs., 2016 chevy silverado fan keeps running after engine is shut. 2016 chevy silverado fan keeps running after engine is shut off ... my computer is showing (truck running hot a/c off,but the truck is not running hot,and resivoir is full of anti-freeze, and both fans were running.could this be a sensor? ..., Overheating issue in 2002 Chevy Silverado 1500 5.3 liter 4x4. Been having this issue since last summer. I replaced thermostat 3 times (thinking a faulty one), fan does come on, checked for leaks with dye and UV light (only place I saw dye is out of overflow), did a chemical flush today...still no change., If you’re in the market for a reliable and powerful truck, look no further than the Chevrolet Silverado 1500. Known for its durability and performance, the Silverado 1500 is a popu..., Test drive this New White 2024 Chevrolet Silverado 1500 at North Park Chevrolet Castroville difference today. 3GCUDJEDXRG381940 ... IntelliBeam, At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions; 20" 275/60R20SL all-terrain, blackwall tires ... Help protect your truck's ..., Climate Control Issue. Ok everyone new here and new to vehicle forums so here we go. Currently working on restoring/modernizing my '90 k15 and when I got it had to rewire a lot of things inside the dash area to get somethings including heater to work properly. Now I got my blower to work via my control module and put out heat without leaking ..., The two cooling fans in your Chevy Silverado can run up to two minutes time max after the engine is shut off in cold or warm temperatures. The engine computer controls the cooling fans and if the engine coolant is too warm the fans can continue to run or if the AC pressures are too high. But the longest they should ever run for regardless of ..., First, if the engine runs hot or overheats, this could be a sign that the relay is not working properly. Additionally, if the cooling fans don’t work or if they keep running, even when the engine is turned off, this could also be indicative of a faulty relay. Warning lights on the dash may also come on if the relay is not working properly., Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/41/bv/radiator-fan-assemblyDoes your car or truck sound like a jet engine? If the cooling fan is on fu..., Coolant temp sensor replacement Thermostat & Coolant temperature sensor replacement: Yukon, Tahoe, Sierra, Silverado, Escalade GMhttps://youtu.be/7mJF5LQ3oPs..., The Engine Hot AC Off warning light indicates that the car's electric cooling fan is malfunctioning, and as a result, the engine is running hot or overheating. Notably, overheating is the top cause of engine deaths globally. Thus, you should take immediate action when your engine overheats. The AC consumes a lot of energy that the engine may ..., Radiator fan staying on all the time. I have a 2016 Colorado 3.6 with 231,200 miles on it. A week ago my radiator fan started coming on as soon as I started the truck and would stay on while driving. Temperature never got over 160. When I shut the engine off the fan would stay on for about 5 minutes and then shut off., Reason 1: Bad Wire Connection. One common reason for the radio to turn off intermittently is a bad wire connection. Over time, the wires connecting the radio can become loose or damaged, resulting in a loss of power and causing the radio to shut off unexpectedly. Bad wiring connection is also reason for the issues of radio in Jeep., Step 3 - Check the blower motor. It could be dead. If you have inspected the resistor and it is in good shape, then root of the problem could be a dead blower motor. You have to work in the engine bay and disconnect the current motor to check its' voltage and make sure it is receiving power. If the power source isn't the issue, then the motor ..., Immediately upon starting the car, the radiator fan begins to run full speed, even though the car is stone cold. The AC is OFF. The radiator and condenser are BRAND NEW. This problem existed before and after the radiator was replaced. The fan continues to run at its maxiumum speed, regardless of the engine temperature., 2003 silverado blower fan stays on.. under the passenger side dash, right above floor board there is a wire connector. That connector is for your blower resistor. If you unhook it, the blower will stop running, hook it back up and you will have a blower. You can also remove the fuse., The 2016 Yukon Denali radiator fan won't turn off, indicating a potential issue with the fan relay or temperature sensor. This malfunction can cause the engine to overheat and result in damage if not addressed promptly. The 2016 Yukon Denali is known for its powerful engine and luxurious features. However, if you encounter a problem with the ..., 1-remove the radiator/reservoir cap when the engine is cold. 2-start the engine and let idle. 3-turn the heater on max. 4-keep coolant on hand and add it as needed. 5-some coolant may gush out with the air. 6-keep doing this until the engine is at operating temperature and the heater is hot. 7-after the coolant settles down and the engine is ..., Check Details Callaway chevy silverado sc602 gains a supercharger and keeps its warranty. 2000 chevy silverado fan clutch 5.3l 2000-2002 tahoe avalanche suburbanCallaway silverado chevy signature gains supercharger slashgear 2012 chevy silverado 2500hd, keeps burning fuse for fuel pump. changedSilverado chevy chevrolet naias live autoevolution trucks visit., 2014 and newer chevy silverado 5.3L. The radiator fan stays on when the engine is off. Fan runs faster than normal and run when engine is cold. Replace the t..., 18 posts · Joined 2022. #1 · Apr 7, 2022. Hello all. I recently bought a 2017 and after driving it about 1500 miles (74500k on vehicle), Something strange started happening. When I got to work yesterday, I noticed the fan running after I shut the engine off. I opened the hood, checked the coolant it was good. Felt the hoses they were luke ..., Nov 23, 2021 · 2014 sierra ...cooling fan keeps running. wont turn off after driving ,stays on for five to ten minuets. in the morning as soon as i start the truck, fan's turn on. replaced the temp switch ...still the same. pulled fuses 12 & 13 (40amp) to turn off. what is the fix please. Hello and Welcome to JUSTANSWER! I'm so sorry you're having vehicle ..., 3773 posts · Joined 2016. #24 · Feb 6, 2022. The relays are triggered by a ground signal, there are 2 wires coming from ECM that trigger them to come on with ground. One of those may be broken and contacting body somewhere and allowing the fans to be stuck on., 2014 GMC Sierra 1500 temp gauge inop at times and cooling fan staying on. I have a 2014 GMC Sierra 1500 5.3 and my temp gauge will randomly drop as if the engine is cold. When it does this, the cooling fans will run on high and continue to run even after the switch is turned off. The only way I have been able to reset it has been to pull the ..., Add defrost to your tow mirror lower glass on GM trucks. Easy install in less than 10 minutes. Plug & Play install for Silverado & Sierra trucks with 2015 style mirrors. Melt the snow and ice away. Fits aftermarket & OEM mirrors. Reasonably priced, free shipping in USA., Remove and disconnect the negative side of your car's battery. Check your coolant level. Check your temperature sensor. If you discover that your car fan isn't turning off, you should deal with the issue as soon as you can, so it does not get worse. Keep reading to get detailed information about how to tackle the problem of car fans., As a mid-size truck, the Colorado has lower ground clearance than a full size pickup truck such as the Silverado—at about 8" vs 10"— similar to an average SUV (though the off-road models ..., The ACC has a very common fault -- the resister/ fan controller fails and the blower will run full blast and then not at all. The display stays on and works normally. The controller is mounted behind the glove box -- I replaced mine in about 15min -- you can get them online for around $100.00.. Change the cabin filter while you have it opened up., The cooling fan on my silverado runs all the time. 2016 Silverado High Country 6.2 gas engine - Answered by a verified Chevy Mechanic ... 2016 chevy silverado fan keeps running after engine is shut off ... hello have a 2005 Silverado when you turn the key off the radiator fans run till batteries are dead also when the truck is running fans do ..., Info / / 6 minutes of reading. The situation when the car radiator cooling fan keeps running constantly can be caused mostly by a failing coolant temperature sensor or its wiring, broken fan start relay, damage to the electrical wires, and electronic engine control unit (ECU) problems. To understand how the cooling fan should work correctly ...