Gmc acadia ac light flashes 6 times

fastvmax1 Discussion starter. 7 posts · Joined 2012. #1 · May 27, 2012. My Acadia will not blow cold air. when the "snowflake" button is pressed it flashes three …

Windows: If you know you need to be more diligent about backing up your flash drive but you never get around to it, USBFlashCopy makes it simple with automatic backups every time y...I try to turn on the AC but the light flashes three times and goes out with no cold air coming out. The book says this is normal when the outside temperture is below 40 degrees F. Its 80 outside. 48 Answers. The air conditioner is not coming on when I push the button. The light flashes three times and goes out.2010 GMC Acadia. Mechanic's Assistant ... the light flashes 6 times and then turns off. it does not stay on steady. ... Our 2012 GMC Acadia: AC light blinks 3 times ...Here is an AC light that flashed 3 times and then off, didn't have AC, it was not working and the compressor wasn't turning on along with the electric fans. ...Apr 9, 2017 · The copper particles are coming from the blower motor during the motor break-in period, so the motor does not need to be replaced. Remove the rear auxiliary blower control module and insert the GE 50078 Electronic Leak Detector to test for a leak. If a leak is found, replace the rear evaporator. Greetings to all of you on this Sunday. This morning I took my 07 AWD Acadia out for a coffee when about 2 mins in my park/brake light came on, heard a ringing bell and a dash message that said 'service brake soon'. My Stabilitrac light came on as well and remained this way. Did OnStar and was told to take it in to my dealership and didn't ...Gmc acadia ac light flashes 3 timesOur 2012 gmc acadia: ac light blinks 3 times then goes off. freon is Gmc acadia ac light flashes 3 times2017 gmc acadia transmission fluid change. How to change the tail light assembly on gmc acadia 2007-2012 – resetGmc acadia ac light flashes 3 times Our 2012 gmc acadia: ac light blinks 3 …2.5L Turbo Engine With a GM‐Estimated 328 hp and 326 lb‐ft of Torque. Second-Row Flat-Folding Captain's Chairs with Smart Slide and Third-Row 60-40 Split-Bench Seat. Over 15 Active Safety and Driver-Assistance Technologies †. 15" Diagonal Premium GMC Infotainment System †. 11" Diagonal Driver Information Center.

That was 6 months ago, and my A/C seems to be totally dead again, so I assume the refrigerant is gone again already. If I hit the button with the snowflake on it, it flashes a few times, then goes out as if the A/C is unavailable even though it's ~90F out right now. As I mentioned, I'll be taking it back to them once the surgery recovery is ...The Buick Enclave AC light blinking three times indicates a problem with the air conditioning system. The most common cause is low refrigerant levels in the system, which can be caused by a leak or lack of maintenance. In some cases, it may also indicate an issue with the blower motor or condenser fan. To troubleshoot and repair this issue, …Gmc Acadia Ac Light Flashes 6 Times. 2007-2016-gmc-acadia-tail-light-bulbs-replacement-guide-048 Acadia gmc tekanan cargurus conditioner sipil bangunan putra dewata tinggi My 2013 gmc acadia headlights won’t turn off. i need help finding the. My 2013 GMC Acadia headlights won’t turn off. I need help finding theTurn car on-temp gage doesn't move-a/c flashes. I have noticed that sometimes when I turn the car on the temperature gauge doesn't move- and the a/c button flashes. I have to turn the car off- engine sounds funny. Most times it corrects itself is I catch it in time. When I don't the engine light comes on and it usually goes away the … Blog information: gmc acadia 2012 picturesGmc acadia air conditioner light blinking 2010 gmc acadia back up light circuit: the back up light wire isGmc acadia ac light flashes 6 times. 2015 gmc acadia amplifierFlashes times Cargurus helpful found people ac gmc acadiaGmc acadia ac light flashes 3 times. Check Details Gmc ac light blinks 3 times If you are getting normal cold air out of driver’s side and warm air out of center and passenger vents then you most likely have a bad temperature blend door actuator for the passenger side on the A/C evaporator case. Your system has two of these actuators, one for each side of your dash vents. This controls the temperature by getting ...

The button above with two arrows (Recirculation button) was also flashing. I took to local shop for $80 diagnostics, they informed the high-pressure line between compressor and condenser needed replacement, along with the high pressure AC Switch on that line. They quoted $1,200.If the air conditioning is on and the outside temperature drops below a temperature which is too cool for air conditioning to be effective, the air conditioning …5305 posts · Joined 2012. #2 · May 11, 2014. It could be anything related to the a/c system (or the tune possibly). Just a few of the problems that could cause your issue: low refrigerant, high pressure/switch, low pressure/switch, fan clutch (LMLs are electronic), bad relay, bad clutch, etc. I think you get the idea.golf2beach said: From Section 8 page 2 of the 2014 Acadia Users Manual: (Air Conditioning): Press to turn the air conditioning system on or off. An indicator light comes on when A/C is on. The air conditioning. system does not operate when the outside temperature is below 4°C (40°F). The indicator light flashes three times and turns off …

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If voltage goes to the blower motor, it’ll need replacing. If there’s no voltage, test the resistor (YouTube). 2. AC System Not Blowing Cold Enough. The most common reason for your GMC Acadia’s AC not blowing cold enough is low refrigerant levels, followed by a dirty evaporator or condenser issues (bad or clogged).Just wanted to share an experience with our 2015 GMC Acadia. At about 14,700 miles our AC stopped blowing cool air. Of course this happens at the peak of the heat of summer. We just had it repaired under warranty and it was the rear evaporator core was leaking refrigerant and they had to replace the evaporator core and the blower motor case.Howdy. "Air Conditioning: Press this button on the left knob to turn the air conditioning system on or off. When A/C is pressed, an indicator light comes on to show that the air conditioning has been activated. The air conditioning compressor does not operate when outside temperatures fall below 40°F (4°C).2017 GMC Acadia Edit. Kelley Blue Book®. Trade-In Value: $10,504. Valid for ZIP Code 23917 as of 04/30/2024. Mileage:wakabaka324. 83 posts · Joined 2019. #4 · Nov 12, 2020. My understanding is that the RECIRC button reduces the amount of outside air that is brought into the cabin. It does not eliminate the outside air coming into the cabin. Its purpose is to cool down the car more quickly when the temperature is very high.The GMC AC light blinking 3 times often indicates a communication issue with the HVAC system. Usually, it signals a fault with the refrigerant pressure or the compressor. When your GMC vehicle displays this condition, it is a prompt for the driver to address the air conditioning system’s needs—which may vary from minor sensor …

Sep 5, 2019 · Good Afternoon, my name is ***** ***** ill be helping you, so sorry to hear about the issues here on the Acadia, im sure its been frustrating to deal with this especially in 90 degree weather, the flashing light indicates an issue with the HVAC control which you already know, id recommend we get it scanned with an appropriate scan tool to look into what codes if any have been set, further then ... Gmc Acadia Ac Light Flashes 6 Times. 2007-2016-gmc-acadia-tail-light-bulbs-replacement-guide-048 Acadia gmc tekanan cargurus conditioner sipil bangunan putra dewata tinggi My 2013 gmc acadia headlights won’t turn off. i need help finding the. My 2013 GMC Acadia headlights won’t turn off. I need help finding thewakabaka324. 83 posts · Joined 2019. #4 · Nov 12, 2020. My understanding is that the RECIRC button reduces the amount of outside air that is brought into the cabin. It does not eliminate the outside air coming into the cabin. Its purpose is to cool down the car more quickly when the temperature is very high.The first +45F day of the Winter here I think. Bright sun too, so inside the car gets plenty warm. Tried the AUTO setting at 68F- ac is not on. Tried to turn on the ac manually - three blinks, and off. Tried turning the temp all the way down to 60F - ac is still not turning on, with the manual effort still resulting in 3 blinks and off. Air ...Explore the 2024 GMC Acadia mid-size SUV trims and features. With the perfect premium design tailored to complement your adventure, ... surroundings and road conditions at all times. Visibility, weather and road conditions may affect feature performance. Read the vehicle Owner’s Manual for more important feature limitations and information.3 days ago I started up my truck to warm it up in the morning and defrost the ice off of the outside of the windshield. I did it exactly like I always have 37000 times before in the same steps -. 1. Start truck. 2. Press Auto button on HVAC. 3. Turn up to 90 (both driver and pass in sync) 4.The most common reasons for this are that the unit is overworked or that something is blocking the airflow. If you see the AC light flashing, you should check the …The most common causes that hinders normal operation of air conditioning system on your GMC Acadia are dirty cabin air filter, refrigerant leak, dirty or clogged condenser, dirty or clogged evaporator, …

Nov 29, 2019 · This light comes on during a malfunction in one of two ways: Light Flashing: A misfire condition has been detected. A misfire increases vehicle emissions and could damage the emission control system on the vehicle. Diagnosis and service might be required. GMC Acadia/Acadia Denali Owner Manual - 2011 Black plate (19,1) Instruments and Controls 5-19

2013 GMC Acadia Denali. Dash board Air Conditioner Button has blinking Light...6-blinks then stops. Compressor does not - Answered by a verified GMC Mechanic. We use cookies to give you the best possible experience on our website. ... 2012 Acadia ac light blinks three times.Blog information: gmc acadia 2012 picturesGmc acadia air conditioner light blinking 2010 gmc acadia back up light circuit: the back up light wire isGmc acadia ac light flashes 6 times. 2015 gmc acadia amplifierFlashes times Cargurus helpful found people ac gmc acadiaGmc acadia ac light flashes 3 times. Check Details Gmc ac light blinks 3 timesJul 10, 2017 · SOURCE: ac inop -button flashes when pressed 2007 GMC Acadia. {: ) Pressing the a/c button will turn the air conditioning (A/C) compressor on and off. When air conditioning is selected, an indicator light comes on to show that the air conditioning has been activated. Pressing this button when the outside temperature is too cool for air ... My daughters Acadia AC light would blink 3 times and the AC would not work. While I was checking the supply wires going to the top of the compressor {only just the smallest hole to reach up there and take that thing off} I noticed there was a three wire round thingy hanging loose, coming from the same part of the harness the AC supply wires …Our 2012 GMC Acadia: AC light blinks 3 times then goes off. Freon is fully charged. Coolant level is full. I see this ... Ac light blinks 6 times and doesn't turn on. The ac light or. 7.24.2018. Anthony P. Pet Specialist. 4,625 Satisfied Customers. How it …The Takata airbag recall back in 2013 occurred after Safety Restraint Systems (SRS) warning lights started turning on and flashing on the dash in a number of vehicles. Tests reveal...It's blinking to let you know the fan is not on. Turn the dial one time or more to the right to engage the fan, and when you push the dial to turn on the AC, the light will remain on solid. Blinking AC light is indication of either compressor clutch slip or a pressure is out of whack. Get the trouble codes read.

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Just wanted to share an experience with our 2015 GMC Acadia. At about 14,700 miles our AC stopped blowing cool air. Of course this happens at the peak of the heat of summer. We just had it repaired under warranty and it was the rear evaporator core was leaking refrigerant and they had to replace the evaporator core and the blower motor case.Gmc acadia ac light flashes 3 times Gmc acadia starter problems flashes ac times light replacement Gmc acadia flashes ac times light replacing amplifier radio. Gmc Acadia Ac Light Flashes 3 Times | Ruivadelow. Gmc acadia ac light flashes 3 times . Check Details. Gmc Acadia Ac Light Flashes 3 Times | Ruivadelow. Check DetailsRe-circulate turns off every time you shut the motor down and may or may not come back on its own depending on the setup you have. If you will set your ac to 72 and "auto" it will do everything for you. Yes we know that. This is after we start back up and turn it back on. It will flash 3 times then go off.Jul 10, 2017 · SOURCE: ac inop -button flashes when pressed 2007 GMC Acadia. {: ) Pressing the a/c button will turn the air conditioning (A/C) compressor on and off. When air conditioning is selected, an indicator light comes on to show that the air conditioning has been activated. Pressing this button when the outside temperature is too cool for air ... Our 2012 GMC Acadia: AC light blinks 3 times then goes off. Freon is fully charged. Coolant level is full. I see this issue on forums and have tried every idea to no avail. Mechanic's Assistant: Just to clarify, can you tell me which light it is? And does it blink first, then stay on steady? It's the AC "snowflake" light. Blinks 3 times then ...Acadia Healthcare Co (NASDAQ:ACHC) has observed the following analyst ratings within the last quarter: Bullish Somewhat Bullish Indifferent S... Acadia Healthcare Co (NASDAQ:A...KITT. 30 posts · Joined 2012. #3 · Jul 9, 2015. sidewazzz said: 1st I did search around and didn't find what I was looking for. Problem.... My AC works... maybe 30% of the time. When it does work it blows out cold air and it feels great but like I said it's only 30% of the time. The other 70% it will either blink at me 3 times and turn off or ...Poor Air Circulation. If you see the 2012 Acadia AC light blinking, the reason may come from its poor circulation. When there is poor airflow, an AC unit may trigger an indicator light. It needs sufficient movement to operate correctly, and an obstruction, dust accumulation, or debris may hinder this, causing it to flash.Usually, the LH signal starts to flash normally, 3-4 flashes, then goes into rapid flash. The front & the mirror bulbs flash, the rear does not. Currently, the LH brake/signal light stays on solid, at all times. When the brake is pressed with the LH signal on, the front & mirror stop flashing, until the brake pedal is released.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket …A: Yes, if necessary you should call a professional mechanic to troubleshoot the AC light on your 2012 GMC Acadia. The 2012 GMC Acadia AC light blinking is a sign of a potential issue with the air conditioning system. It could be caused by low refrigerant, a faulty compressor, or other component issue. If the light continues to blink, it is ...Connect the black cable of the multimeter to negative terminal of the battery, and the red cable to the positive terminal. The voltage should be between 13.5 and 14.8 volts with the engine running. Switch on the accessories in your Acadia, for example, headlights, AC fan at full speed, and interior lights. ….

2011 acadia ac light is blinking - Answered by a verified GMC Mechanic. ... 2012 Acadia ac light blinks three times. Won't stay lit. Blows hot air. ... My 2011 GMC Acadia SLT air conditioner is not working, The snowflake blinks a few times and then stays turned off.What leads to GMC Acadia air conditioning light blinking? Poor air circulation, electrical issue, leaking/low refrigerant, air filter issue, faulty installation process, frozen evaporator coils, faulty compressor, or …Mar 2, 2017 · 19,038 satisfied customers. I have a gmc 2014 acadia. The air conditioner light blinks 3. the air conditioner light blinks 3 times and is not staying on. its 90 degrees in California I need it to work no i havent tried anything … read more. Daniel Chaidez. 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)aeroned Discussion starter. 28 posts · Joined 2013. #1 · Jun 3, 2013. This is for our 2007 Impala with a 3.9L V6 with 118k miles. When pushing the AC button, the light flashes and then goes out. This happens with the fan set to any speed and the air out on any setting. I discovered this while at work, so I don't have access to my gauges.2011 Acadia awd 3.6 need help with getting the Ac working its cycling off and on the low and high pressure act weird. Answered in 1 minute by: GMC Mechanic: Tim Mohr. Tim Mohr. Category: GMC. Satisfied Customers: 18,144. Experience: 30 YRS EXPERIANCE, AUTO AND TRUCK,FOREIGN AND DOMESTIC, GAS AND DIESEL. Hi, my name is …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)Aug 26, 2015 · 2012 Acadia Denali. Purchased used in February 2015. 90 000km. AC not working. AC light flashes 3 times then stays off. I hear noise like someone is in a respirator, No cold air. Very hot in the car. I will take it to the dealer, or maybe a repair shop since the warranty is over. Update from Aug 26, 2015: The AC system was empty. A friend of ... The gmc acadia ac light blinking three times is a warning that the vehicle’s air conditioning system is not functioning properly. Its 90 degrees in california i ask an expert car questions gmc questions i have a gmc 2014 acadia.General Tech. AC not working at all in 2011 Acadia. Jump to Latest Follow. 6K views 6 replies 6 participants last post by Renat Aug 3, 2021. ClaireD Discussion … Gmc acadia ac light flashes 6 times, 2012 Acadia ac light blinks three times. Won't stay lit. Blows hot air. Problem stated all over internet, but can't find solution. ... I believe I put to much refrigerant in my 2014 GMC Acadia. The AC will not come on and light on control panel blinks., 2015 GMC Acadia AC Problem. 22Sep2017 - Outside temp shows 31C and we noticed the AC was just blowing air. 23Sep2017 - Outside temp show 34C and in the middle of a long drive, driver side started blowing colder air. Passenger side is warm. Check with infrared thermometer and driver is at 12C and passenger is at 25C., Just wanted to share an experience with our 2015 GMC Acadia. At about 14,700 miles our AC stopped blowing cool air. ... My 2015 Acadia had the AC light flash 6 times. Same thing rear evaporator and blower motor replaced. Under warranty, ... The first time we were traveling and the problem seemed to be exactly the same as it is now, ..., The Buick Enclave AC light blinks 3 times as an indication of a potential issue with the AC system. It is recommended to have the vehicle diagnosed by a qual... , If the air conditioning is on and the outside temperature drops below a temperature which is too cool for air conditioning to be effective, the air conditioning …, when I press the ac button in the car to turn on the air conditioning, the light flashes 6 times and then turns off. it does not stay on steady. ... Our 2012 GMC Acadia: AC light blinks 3 times then goes off. Freon is fully charged. Coolant level is full., It was weird because it didn’t always honk the same amount of times. 2020 GMC 3500 Denali CCSB. (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.Joseph Diesel), Trans-go shift kit, PPE boost valve. Like., Greetings to all of you on this Sunday. This morning I took my 07 AWD Acadia out for a coffee when about 2 mins in my park/brake light came on, heard a ringing bell and a dash message that said 'service brake soon'. My Stabilitrac light came on as well and remained this way. Did OnStar and was told to take it in to my dealership and didn't ..., 14 gmc acadia, a/c button flashes and goes off but can shut car off and then it comes on for about 4 miles then off again. had system charged, pulled 2.29kg from and charged 2.43 and still happens …, General Tech. AC not working at all in 2011 Acadia. Jump to Latest Follow. 6K views 6 replies 6 participants last post by Renat Aug 3, 2021. ClaireD Discussion …, ACHC: Get the latest Acadia Healthcare stock price and detailed information including ACHC news, historical charts and realtime prices. Indices Commodities Currencies Stocks, xenon. 2618 posts · Joined 2010. #3 · Aug 27, 2012. Acadiaz, on page 201 of the 2007 GMC Acadia owner's manual, it reads: "Air Conditioning: Press this button on the left …, 2015 Gmc Acadia Ac Light Blinking 6 Times. The 2015 GMC Acadia AC light blinking 6 times is an indication that the Automatic Climate Control System (ACCS) has detected a fault in itself. The ACCS control module senses faults within its system and flashes the AC light with a code to help diagnose the problem., 2023 GMC Acadia Edit. Kelley Blue Book®. Trade-In Value: $24,562. Valid for ZIP Code 23917 as of 04/30/2024. Mileage: 21,096. Forecasts., Oil level check. Cars burn, leak and otherwise dispense of their oil. Check your level frequently and top up when necessary. 2013 GMC Acadia SLT 3.6L V6. Add washer fluid. One of the easiest fluids to top off - learn how to open the hood and where the reservoir is on your car. 2013 GMC Acadia SLT 3.6L V6. Replace your air filter!, A: Yes, if necessary you should call a professional mechanic to troubleshoot the AC light on your 2012 GMC Acadia. The 2012 GMC Acadia AC light blinking is a sign of a potential issue with the air conditioning system. It could be caused by low refrigerant, a faulty compressor, or other component issue. If the light continues to blink, it is ..., Mar 2, 2017 · 19,038 satisfied customers. I have a gmc 2014 acadia. The air conditioner light blinks 3. the air conditioner light blinks 3 times and is not staying on. its 90 degrees in California I need it to work no i havent tried anything … read more. Daniel Chaidez. , This group is to discuss issues with the GMC Acadia. There are several preventable and easy to fix problems that need early detection. The 2007, 2008, and 2009 models have many transmission problems..., Same issue here. Purchased used 2011 Acadia Denali 6 months ago. This past week, the hissing sound, hot air, the AC light blinks 3 times, then off. Took to Valvoline for a quick pressure test to see if anything was leaking. Nothing found. Freon added, recharged and cold air once again ($127 w/1yr free freon charges, as needed)., When I push the button for AC the snowflake it flashes three times but won't come on the heat comes on fine ... GMC / Acadia / 2011 / Air conditioner won't come... Air conditioner won't come on light flashes 3 times the heat come on but Ac wont. 2011 GMC Acadia. Asked by smoovtr in Baltimore, MD on . May 01, ..., About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ..., To test, turn the AC on. Press and hold the AC button at the same time as you press and hold the recirculate button. Hold for 5 to 8 seconds. If this is the cause of the issue, the AC will kick on and you will hear the compressor clutch engage. This should also reset the sensor and correct the issue. 3 more comments., Oil level check. Cars burn, leak and otherwise dispense of their oil. Check your level frequently and top up when necessary. 2013 GMC Acadia SLT 3.6L V6. Add washer fluid. One of the easiest fluids to top off - learn how to open the hood and where the reservoir is on your car. 2013 GMC Acadia SLT 3.6L V6. Replace your air filter!, 1 post · Joined 2009. #1 · May 12, 2009. I have a 2007 SLT. We recently went on a trip and the check engine light came on. My husband was driving and after the light came on, we were having problems taking off after a traffic light. He would press the accelerator and the engine would rev up like it was in neutral and the car would not move ..., 3 days ago I started up my truck to warm it up in the morning and defrost the ice off of the outside of the windshield. I did it exactly like I always have 37000 times before in the same steps -. 1. Start truck. 2. Press Auto button on HVAC. 3. Turn up to 90 (both driver and pass in sync) 4., Anybody figure it out. My 2014 GMC Acadia Just started do the same exact thing!! Temp gauge drops to straight down, Fan blowing full and loud, A/C still Blows but Not cold and the recirculation button flashes. Kind of odd that it is the 2014's that have started doing this. Another way for GMC to make up spend money., Gmc acadia ac light flashes 3 timesOur 2012 gmc acadia: ac light blinks 3 times then goes off. freon is Gmc acadia ac light flashes 3 times2017 gmc acadia transmission fluid change. How to change the tail light assembly on gmc acadia 2007-2012 – resetGmc acadia ac light flashes 3 times Our 2012 gmc acadia: ac light blinks 3 times then goes ..., Just wanted to share an experience with our 2015 GMC Acadia. At about 14,700 miles our AC stopped blowing cool air. ... My 2015 Acadia had the AC light flash 6 times. Same thing rear evaporator and blower motor replaced. Under warranty, ... The first time we were traveling and the problem seemed to be exactly the same as it is now, ..., This gradually got worse from just not being cool... to not staying on occasionally, to now not turning on at all. The light will just blink and turn off. Answered in 7 hours by: GMC Mechanic: J Hall. Hello, my name is James. From your description, you have a computer malfunction in the air conditioning system., To test, turn the AC on. Press and hold the AC button at the same time as you press and hold the recirculate button. Hold for 5 to 8 seconds. If this is the cause of the issue, the AC will kick on and you will hear the compressor clutch engage. This should also reset the sensor and correct the issue. 3 more comments., 4221 posts · Joined 2019. #58 · Jan 27, 2023 (Edited) This P0128 code and indication of an ECT sensor and/or failing thermostat have been showing up on other GM vehicles like the Colorado/Canyon and Camaro cars that use the same …, This light comes on during a malfunction in one of two ways: Light Flashing: A misfire condition has been detected. A misfire increases vehicle emissions and could damage the emission control system on the vehicle. Diagnosis and service might be required. GMC Acadia/Acadia Denali Owner Manual - 2011 Black plate (19,1) Instruments and Controls 5-19, Jul 20, 2023 · Hello, So, the ac of my 2012 Acadia was working perfectly fine until yesterday... The only thing i can say is that yesterday I changed the front engine mount, and lifted the engine up... then today the ac light was blinking 3 times, and then I didn't have any cold air coming out... then after reading in different forums I decided to add freon.