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Chevy traverse ac light flashes 3 times?
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Chevy traverse ac light flashes 3 times?
Jun 18, 2018 · dave00. Most likely cause is low on refrigerant. If this happens, it's best to take your vehicle to a qualified mechanic for diagnostics as soon as possible in order to prevent further issues from occurring. Need some help. This input will request the engine control module (ECM) to ground the A/C compressor clutch. A flashing service engine soon light is telling you that something. 3 posts · Joined 2021 The 10amp fuse was issue and fixed the problem. 2014 chevy traverse will frequently have issues where the traction light will go on and the car jerks (when push on the gas) and often the front wheels … read more. Southwest Airlines is running a limited-time sale for travel across its network this winter. Press the recirculation button at least 5 times within 3 seconds. Ensure the power adapter is properly connected to the laptop and power outlet. There are 3 common locations for leakage on the Gen 1's. In some cases, it may also indicate an issue with the blower motor or condenser fan. When it's above 40 degrees the 3 blinks indicate a problem Over the years I've had several vehicles that light the AC indicator when running Defrost in the winter. AC not working light flashing 6 times also, fan runs constantly. Over time, spark plugs can wear down due to normal use or become fouled by deposits from oil or low-quality fuel. Dellen Chevrolet Buick Gmc; Coulter Buick Gmc Camelback; 2. The conditions had to be just right for it to happen. The air blows but not cold air and the ac cooling of the seats don't work either. The A/C light is designed to flash and disallow A/C operation if any of the following conditions are present: Ambient air temperature (AAT) is too cold (35 degrees or colder) Press and hold the AC button at the same time as you press and hold the recirculate button. The AC works (air through vents is very cold) but when I click on the AC button, it just blinks 3 times and shuts off. Theres been reports of vehicles being locked and then going off. The flashing light will happen when one these is the issue: Ambient air temperature (AAT) is too cold (35 degrees or colder) Vehicle system voltage is less than 9 Refrigerant pressure is too low. A faulty compressor clutch or electrical connections can also cause the A/C light blinking issue in your Chevy Traverse. Hold for 5 to 8 seconds. 2010 Chevy Traverse Ac Light Blinks 3 Times. Mine had a leak and they had to order parts - took a few days but had a loaner to tear up under warranty. This is a 4-line component (2 AC lines, 2 heater lines) that has to be purchased as a single unit, and runs $500-1000. Press and hold the AC button at the same time as you press and hold the recirculate button. It explains what blinking 6 times means on your AC. or remote start being disabled, when the hood latch malfunctions and thinks its been opened. Traverse The contact owns a 2016 Chevrolet Traverse. The dealer had my car for three days before I had to call for an update. One common problem that Traverse owners may. Once the hot air inside the cabin is remove by opening all the windows and running the car a. The dealer has corrected this several times. (The recirculation button is right above the AC button). 2009 Chevrolet Traverse LS; Chevrolet Traverse Car and Truck. When it's above 40 degrees the 3 blinks indicate a problem Over the years I've had several vehicles that light the AC indicator when running Defrost in the winter. 465 posts · Joined 2013 Re: AC light blinking - not working. Headlight relay traverse. I have removed all the HVAC &AC fuses and relay's. Any idea whats wrong with it? Its on the 08 2500 diesel 2008 GMC 2500hd SLT CC LB Fire Red D/A w/Boss 8'6 Super Duty Plow 2008 GMC 2500hd WT Reg Cab Long Bed 6. BUT THERE MIGHT NOT BE ENOUGH TO ACTUALLY TURN THE ENGINE OVER OR START IT. Lights just started blinking rapidly in 2011 Chrvy Traverse while driving. 2009-2010 Chevrolet Traverse. 5 Beeps on a Chevy Traverse could be indicating there is an electrical short that is draining the battery or the battery is dying When the vehicle is started, the seat belt light flashes and a chime may come on to remind the driver to fasten their seat belt. Watch this video to learn how to easily unclog the AC drain line. The fan blows but air doesn't cool. 00 to have headlights replaced by removing the front bumper. I have a 2012 traverse and my a/c light blinks 3 times and then turns off. Freon is fully charged. 00 to have headlights replaced by removing the front bumper. This is a 4-line component (2 AC lines, 2 heater lines) that has to be purchased as a single unit, and runs $500-1000. Your Traverse's engine is a giant pump. 2020 Chevy Traverse ac blowing warm air but temp gauge is reading anywhere near hot. I was told to try changing the ambient temp sensor in front of the radiator and did so to no avail. Unfortunately, this light never tells you specifically what is going on with your car. The AC works (air through vents is very cold) but when I click on the AC button, it just blinks 3 times and shuts off. When it's above 40 degrees the 3 blinks indicate a problem Over the years I've had several vehicles that light the AC indicator when running Defrost in the winter. 00 to have headlights replaced by removing the front bumper. Battery and starter have been tested and are good. Fill the tire's pressure to at least 35 Psi. The compressor is responsible for circulating refrigerant throughout the AC system. The forward-looking FCA camera. Outside temp currently 88 degrees. If the selector is set to face or face and feet. This is the cheapest fix. UPDATE: My AC is working again. I was told to try changing the ambient temp sensor in front of the radiator and did so to no avail. 2023 Traverse LT 3. If you've done it right, the recirculation button light will flash a few times at about 1/2 second intervals. Southwest Airlines is running a limited-time sale for travel across its network this winter. Ready to ditch the minivan for something a little sportier? The 2020 Chevrolet Traverse has quickly climbed the ranks to become one of the year’s most popular midsize SUVs, especia. Why does my ac light blink 3 times and not engage compressor in 2009 chvy traverse. I have a 2012 traverse and my a/c light blinks 3 times and. Engine hot - AC off sign appears from time to time even if changing thermostat and ensuring that cooling cycle is perfect. The manual instructions are basically: Turn the fan to 0 (off, far left). When the thermostat opens up you should see the coolant level drop. Lately, it has started heating up slightly. You can’t light the whole landscape with a flash, and you can’t control any natural light source. Cars burn, leak and otherwise dispense of their oil. The outside temp was about 76 degrees yesterday what could cause this? Answered in 14 hours by: Chevy Mechanic: Chris (aka-Moose) Chris (aka-Moose), Technician Category: Chevy AC button light is blinking on and off AC won't come on. If you own a Roomba, you might have noticed a flashing red light at some point. auto lights won't turn off on a 2011 Chevy Traverse even after 10 minutes Auto lights started acting up. One common problem that Traverse owners may. Your Chevy Traverse's service engine soon light is there to let you know that some sort of problem has been detected with the vehicle. techtanium plus A problem with the compressor can prevent the system from cooling as intended. Checked battery first as it seemed like a weak battery, all lights would come on - but everything goes off when turning key to start. The most common reasons a Chevrolet Traverse ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor 37 % of the time it's the. Wife went shopping, when she got back to car tried to start and nothing. 49 posts · Joined 2014 I took our 2009 Traverse into an Express Lube place today for a quick "charge" of the A/C system. When it comes to maintaining a comfortable indoor temperature, having a reliable air conditioning system is crucial. Oct 3, 2013 #1 jambo6859 New Member. May 7, 2015 · General Chevy Traverse Discussions 2012 Air Conditioning not working?!. He hooked up his little blue/red instrument and said it's got plenty of freon. What does it mean when ac light blink 3 times than turn off What seems to make the problem better or worse?. Experience: GM Grand Master Technician 2007. 14 years experience. I noticed that the AC light is blinking 3times then will be off again. The 2010 Chevy Traverse is a reliable SUV loved by many drivers, but if you've noticed your AC light blinking three times, it can be a cause for concern. Feb 8, 2014 · 2007–2010 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2009–2010 Chevrolet Traverse 2007–2010 GMC Acadia, Sierra, Yukon, Yukon XL 2007–2010 Saturn OUTLOOK The A/C light is designed to flash and disallow A/C operation if any of the following conditions are present: Ambient air temperature (AAT) is too cold (35 degrees or colder) Mar 7, 2016 · though the Digital AC on the upper trims also use the light sensor on the top of the dash-- to determine sun load on the vehicle. If there is a problem with the compressor, it can prevent the AC system from cooling properly. Check Details Gmc acadia ac light flashes 3 times Subject: Information on Vehicles with HVAC Control Module A/C and Recirculation Indicators Flashing. Recent Chevrolet Traverse Questions P0302; Air condition seats not working and ac light blinking and blowing warm air. I see this issue on forums and have tried every idea to no avail. My air conditioner indicator light blinks 3 times then cuts off. If the blower motor only runs on high, the blower motor resistor is bad. Went aftermarket and the car didnt like them. Once I replaced that all started working fine. Just replaced the ac compressor in my 2011 Chevy traverse. This input will request the engine control module (ECM) to ground the A/C compressor clutch. dating format for woman to man There are many reasons as to why your AC unit may be displaying this light. GM Tech (Cam) Owner/Technician. (the sensor also has a different part # than the lower trim ambient light sensor) 2023 Traverse LT 3 2013 Equinox 3 2003 Trailblazer 4 2010 Traverse 3 Hey Steve: Having issues with my 2015 Chevy Impala limited lt. sounds like could be low on freon if it is it wont allow it the compressor to run. This is a - Answered by a verified Chevy Mechanic. I had it recharged and tested with dye and no leaks found for almost $200. My battery died two days ago, and I replaced the battery, ever since my A/C won't engage or turn on. Chevy made a terrible vehicle! My traverse has been in the shop 3 times this past 3 months and the AC keeps breaking down. 5 Beeps on a Chevy Traverse could be indicating there is an electrical short that is draining the battery or the battery is dying When the vehicle is started, the seat belt light flashes and a chime may come on to remind the driver to fasten their seat belt. Ensure the power adapter is properly connected to the laptop and power outlet. Press and hold down the reprogram button for about 5 seconds. To test, turn the AC on. AC Knob won't stay on blinks 3 x n cut off AC blowing out hot air, trying to fir Air condition seats not working and ac light blinking and blowing warm air 2012 Chevrolet Traverse Estimates. It could also indicate a problem with the ignition system, fuel delivery system, or another sensor. The ac panel stoped working. Just replaced the ac compressor in my 2011 Chevy traverse. If this is the cause of the issue, the AC will kick on and you will hear the compressor clutch engage. 6L 24,000 2013 Equinox 3. 6L 125,000 2003 Trailblazer 4. Press and hold the AC button at the same time as you press and hold the recirculate button. is the AC light on the button blinking 3 times? 2023 Traverse LT 3. If the blower motor only runs on high, the blower motor resistor is bad. Former Flipkart executive's new app Flash aims to be an inbox for you with a new email ID for your e-commerce needs. Hi, had the same problem today. hertz rental cars for sale near me Traverse ac light blinks 3 times. I discovered this while at work, so I don't have access to my gauges. when a/c on/off button pushed the indicator light blinks 3 times In this article, we will explore the possible causes and solutions for an AC light blinking in a Chevy Traverse 1 Common Causes of AC Light Blinking Chevy Traverse1 Low Refrigerant Levels; 1. 2009 chevy equinox ac light flashes. If it isn't, the problem could be a faulty compressor clutch, low refrigerant levels, or a blown fuse. 2007-2010 Cadillac Escalade Models. There are 3 common locations for leakage on the Gen 1's. While it can be quite alarming to see, there’s no need to panic just yet. After first test, AC and recurculation lights flash for the cool down test. Our 2012 GMC Acadia: AC light blinks 3 times then goes off2 Dan 2,882 Satisfied Customers. I don't think the pump engaged. When your AC light is blinking a few times and then turning off. Everything seams to be working correctly compressor comes on, condenser fan working properly, checked all fuses and relays no issues, reset blend door actuators and calibrated ambient air temp sensor. Take it to dealer, your A/C needs recharged. The air-conditioning compressor will also come on. Chevrolet / Traverse /. When it comes to a blinking AC light in your Chevrolet Traverse, several potential causes could be triggering this issue. Second is the AC lines to the rear HVAC unit.
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Switch off your car’s AC and engine. If I leave the recirculation button on with the air conditioning on and the fan on then shut the vehicle off the problem - sometimes - happens. Chevrolet Traverse Dashboard Lights And Meaning The Chevrolet Traverse is a good and medium-sized SUV with eight seats, a decent gas mileage, and a cushioned cabin manufactured by General Motors. Learn at proclaimliberty2000 what could be the cause of the air conditioner not working on your vehicle. (Enclave, Acadia, GM) 00:43 1007 2016 Chevy traverse A/C Fail Air condition issues 2016 Chevrolet Traverse. where is the flasher relay located? Posted by Anonymous on Mar 23, 2012 We have two impalas here now, both 07's with the 3. The only out of warranty repair it needed. Condensate drain lines can clog over time from algae growing inside the pipe. My AC is not working and its 80DEGREES OUTSIDE! It flashes three times and goes off I'm willing to try anything to get to this dang thing to work. I discovered this while at work, so I don't have access to my gauges. This can be found with a digital volt meter at. Changed ambient sensor which I thought was the reason based on search. when I turn the key it does not try to turn over. leronlimab This might resolve the issue. 4 posts · Joined 2023 I have a 2015 Chevy traverse Has 81000 miles on it. One of the most common reasons for a blinking AC light is an electrical issue. The AC button will blink 3 times and go out. Problems associated with the Chevy Traverse include issues with the air conditioning and heating units, an inadequate defrost unit and an automatic change to reduced power mode, wh. 58 mi) Ac light blinky 3 times than turn off. " Jump to The Nasdaq 100 just generated a ". When I press the snowflake button to engage the AC it blinks 3 times and then goes off so the AC war not turn on. The check engine light come on randomly for a day or so and then goes out for a few days. 0 1998 Chevy 1500 Reg Cab Long Bed 5 When your check engine light starts flashing and your car is shaking, it's time to take action. Press this button to turn the recirculation mode on or off. A flashing light can also indicate that the firmware is being updat. If it isn't working properly, the system can't function correctly. This is a - Answered by a verified Chevy Mechanic. Immediately Very hot air came from front vents. 2007-2010 GMC Acadia, Sierra, Yukon, Yukon XL. The light on the A/C button will come on when the compressor is operating in either the automatic or manual mode. See More 2012 Chevrolet Traverse Questions. I have removed all the HVAC &AC fuses and relay's. 1 post · Joined 2014 my 2011 Traverse did something very weird today. Under extended warranty they have replaced the vacuum pump, vacuum line with check valves and wire harness as per other Gm recalls (traverse not included on recall list). nudity gif This should also reset the sensor and correct the issue A competent technician can inspect, fix, or replace the compressor in your air conditioner to keep it cool and running Dealing With Electrical Problems: Electrical components can occasionally be the source of the AC light’s blinking. SOURCE: 2004 chevrolet suburban AC blows hot/cold at same time. The snowflake light flashes 3 times and does nothing when trying to turn on ac on 2011 chevy tahoe, previously passenger - Answered by a verified Chevy Mechanic The snowflake light flashes 3 times and does nothing when trying to turn on ac on 2011 chevy tahoe, previously passenger side would just blow cold and no heat, mechanic 'fixed' it. Coolant level is full. (From defrost through dash vent position) The A/C will NOT work with the vent control ANYwhere in the heat position. (about $1800 to fix) 1663 posts · Joined 2010 dkurk said: My 2010 is air conditioner is not working. the battery is good and all connections have been cleaned including ground to body and positive to the fuse box. IMHO, this is a great nanny system. The recirculate button and the air condition button turn off by themselves on our 2008 Avalanche, why and what can I do - Answered by a verified Chevy Mechanic All of a sudden on my auto climate control snowflake light flashes 3 times and shuts off. To locate the potential air leak in your Chevy Traverse tire proceed as follows: ESSENTIALS: Either an air compressor or a portable air pump, a sprayer bottle, some water, and liquid soap. At first, when the car is in idle or decelerating, a hissing sound can be heard coming from the dash. Just replaced the ac compressor in my 2011 Chevy traverse. Jan 19, 2015 · I have a 2010 CHevy Traverse. AC light blinks 3 times then goes. Jul 27, 2011 · Our 2012 GMC Acadia: AC light blinks 3 times then goes off. Our 2012 GMC Acadia: AC light blinks 3 times then goes off. vampire diaries convention dallas 2023 tickets I have a 2010 CHevy Traverse. Most likely cause is low on refrigerant. replacement of the latch fixed it6L 24,0006L 125,000. See More 2012 Chevrolet Traverse Questions. When the A/C switch is pressed, the HVAC control module sends a serial data message to the ECM. For instance, if the light blinks three times, it could indicate an issue with the compressor. Autozone or Advance shold be able to read the code for free. Any vehicles made in 1996 or newer. AC light blinks 3 times then goes off. the battery is good and all connections have been cleaned including ground to body and positive to the fuse box. If it isn’t working properly, the system can’t function correctly. A flashing check engine light means that you have an engine misfire, You need to have the fault codes read with a code reader or scan tool. Just speaking on my past experiences with Lincoln. Theres been reports of vehicles being locked and then going off. I have removed all the HVAC &AC fuses and relay's. The check engine light is not on. Total cost in Washington State w/ 9 From the bill. I have done much research and even when as far as replacing the ambient temperature sensor which I could only find one of.
65 degrees Fahrenheit outside, and when I go to turn the AC light on, it blinks quickly 6 times and then the AC light goes out I don't hear any sounds coming from the AC system. The ac panel stoped working. My manual says that if the car senses a temp below 40 degrees, it will not allow the A/C to fire up. Controls the speed of air delivered through the system vents. IMHO, this is a great nanny system. The 2010 Chevy Traverse is a reliable SUV loved by many drivers, but if you've noticed your AC light blinking three times, it can be a cause for concern. square acrylic nail ideas The manual says this is normal when the temperature is 40 degrees or below but it's warm no. 2007-2010 GMC Acadia, Sierra, Yukon, Yukon XL. Next, check to see if there is resistance on it using a multimeter. 2010 Chevrolet Traverse. 1L 2004 Chevy Cavalier 2. 247 colorado football commits Our 2012 GMC Acadia: AC light blinks 3 times then goes off2 Dan 2,882 Satisfied Customers. If your vehicle has Fan Up/Down buttons, then pressing the larger fan button increases fan speed; pressing the smaller fan button decreases fan speed. Just replaced the ac compressor in my 2011 Chevy traverse. Finally, check engine light came on. AC/DC is undoubtedly one of the most influential rock bands of all time. karen master 2007-2010 GMC Acadia, Sierra, Yukon, Yukon XL. 6L 125,000 2003 Trailblazer 4. I got home and tried a couple of times to get it to crank to no avail. If it isn't working properly, the system can't function correctly. Turned around and when I shut motor of the fans stayed. Chevrolet Traverse. I have a 2009 Traverse. In this article, we will delve into the most common causes behind the check engine light.
BUT THERE MIGHT NOT BE ENOUGH TO ACTUALLY TURN THE ENGINE OVER OR START IT. 4 posts · Joined 2019 I have a 2009 Traverse FWD, and I keep getting the "Engine Hot AC Off" code popping up. Ok, so if the AC light is blinking 3 times it certain that my compressor is not going to run. 2 Electrical Issues; 1. Leaking or stuck open thermostat. is the AC light on the button blinking 3 times? 2023 Traverse LT 3. 2011 Chevrolet Impala Asked by Visitor in Plainview, TX on February 16, 2019 My ac has been working just fine all of a sudden today, I tried to turn it on today and light just blinks 6 times and don't go on It seems to do it when sitting for 15 to 20 min , have had it charged changed the exterior temp sensor? Changed the clutch relay also , the ac control goes on and off ???? I plan on getting over to an autozone or picking up a code reader because i have an all time check engine light on since i had bought the truck 3 years ago no misfires on normal acceleration i can drive around without getting the light to flash but a few months ago i noticed when i need to get on the throttle i feel a lack of power/studdering then the check engine light begins flashing till i. The ac panel stoped working. Changed ambient sensor which I thought was the reason based on search. I have a 2009 4 My Temp gauge went flat. There are 3 common locations for leakage on the Gen 1's. This question is not particularly authentic because it all depends on the severity of the issue. It was a hot day (mid-80s) and about 45 minutes into a 90 minute trip, the air coming into the cabin started warming up, to the point where it was only blowing slightly cool air. 2L 188,000 2010 Traverse 3 Reactions: Admin old thread but this a problem that just crept up on me yesterday. 6L 24,000 2013 Equinox 3. 3 posts · Joined 2015 I have a 2015 traverse. 2010 Chevy Traverse Ac Light Blinks 3 Times. the ac light would flash 6 times, compressor was turning on and off on its. I have an 2012 Traverse LT that the recycle button on the a/c unit turns off by itself. Check if the orange light stops blinking after the laptop has charged sufficiently 275 posts · Joined 2009 I started my truck up this morning, 2002 silverado cc lb, warmed it up, put it in reverse, but it would not get into gear. Apple released a new “Dim Flashing Light” feature that can automatically dim flashing lights or strobe effects. beamng dodge charger mod Ready to ditch the minivan for something a little sportier? The 2020 Chevrolet Traverse has quickly climbed the ranks to become one of the year’s most popular midsize SUVs, especia. Switch off your car’s AC and engine. The info pages on the DIC can be turned on and off through the Options menu. Wife went shopping, when she got back to car tried to start and nothing. A/C light shuts off and blinks a few times/stops cooling. This helps to give you a rough idea of where the problem. The A/C light is designed to flash and disallow A/C operation if any of the following conditions are present: Ambient air temperature (AAT) is too cold (35 degrees or colder) 1751 Heritage Center Dr, Wake Forest, NC ( 47. My manual says that if the car senses a temp below 40 degrees, it will not allow the A/C to fire up. The 2001 Chevrolet Monte Carlo has 16 problems reported for car will not start, security light is flashing. When I press the snowflake button for ac, the light blinks 6 times and no cool air comes … read more Julio Quispe 1,163 satisfied customers 4 posts · Joined 2023 Our 2019 traverse has no power brakes after sitting for even one hour. Reconnect the cables Positive Cable First to avoid any voltage spikes. In today’s digital age, smartphones have become an essential part of our lives. It's trying to tell you there is a problem an you need to have it checked, DTC - diagnostic trouble code stored in The HVAC control module ! 2649 posts. Having a properly functioning air conditioning system is essential for a comfortable driving experience, especially during hot summer months. If you own a Roomba, you may have encountered the frustrating situation of seeing a flashing red light on your device. The slower the light flashes, the more your vehicle has charged. A WEAK BATTERY WILL CAUSE ALL THE LIGHTS TO FLICKER AND RELAYS TO CLICK WHEN TRYING TO START. (SOLD)2003 GMC 3500 (6 wheels) Custom exhaust by ME, Edge Juice w/ Attitude (CS),Banks intake w/ super scoop, FASS 150 titanium, 30% injectors (St. Ignoring a low level leads to big problems. Is it safe to drive your Chevy Traverse with the check engine light on? If the check engine light is flashing, this means that there is a leery issue and it is recommended to service your Chevy Traverse quickly. But the ac light keeps blinking three times and not turning on Working on a 2011 Chevrolet Traverse with a 3 2. I have a 2009 Chevy Traverse 3. If the evaporator is leaking, the AC light will blink three times. mens necklace holder The computer controls the fan (s) and the compressor. Need to get up earlier for work or a workout? To return to your routine after traversing time zones? Or just w Need to get up earlier for work or a workout? To return to your routi. The problem happens intermittently and will not duplicate for the dealership therefore they can not diagnosis the problem Air condition seats not working and ac light blinking and blowing warm air. sensor is on the windshield ahead. It will do this when I just start up the Jeep and also after I've been driving for 20 minutes. Jun 5, 2013 · someone had posted the reasons the light will blink 3 times (possible causes) 2023 Traverse LT 3 2013 Equinox 3 2003 Trailblazer 4 2010 Traverse 3 rubberman. When I press the A/C button to turn it on it just blinks a few times then turns off. I was going to change the coil pack and spark plug on #3 cylinder. When press the button to turn on the a/c the light flashes 3 times then shuts off. Solution: Start engine, blower on max, air direction to cabin, press rear wiper and rear wash buttons simulanteously for 5 seconds (all lights now on steady). The vehicle was taken to webb Chevrolet plainfield (located at 16140 S Lincoln hwy, plainfield, il 60586, (815) 556-2668) to be diagnosed. The inside of the connector may start to melt, causing a poor connection to the bulb. I think I am not getting a signal to turn on the compressor. Mar 30, 2019 · AC pressure switch replaced Jul 13, 2015 · 1 post · Joined 2014 I had problems with my ac light blinking and not blowing cold air. There is no date attached to the reasons so. I'm aware of the defect pushrods and possible engine problem but love the truck and Chevy. When pushing the AC button, the light flashes and then goes out. One of Prague's best-kept secrets is the beautiful Baroque-style Vrtba Garden. This input will request the engine control module (ECM) to ground the A/C compressor clutch. Was on a long road trip and about 4 hours into the drive the AC started making a hissing sound (similar to depressurizing) coming from the air vents. I had it recharged and tested with dye and no leaks found for almost $200. Spark plugs are responsible for igniting the air-fuel mixture within each engine cylinder. When this happens, you should stop driving your car and solve the problem to avoid causing further damage to the engine. 2020 GMC 3500 Denali CCSB.