Chevy avalanche climate control problems. However, there are a few less common reasons as well.

Chevy avalanche climate control problems Apr 28, 2008 · NOT. This is obviously a design flaw / bad component and one that pisses me and others off! Should be a recall. No matter where I select the air flow to go it stays at the front vents. Feb 5, 2020 · I have a 2003 Suburban w/ the automatic climate control system. For May 22, 2025 · The most common symptoms of a bad blend door actuator include abnormal noises, incorrect climate control outlet temperature, and varying outlet temperatures. I've had this problem before but this time I can't get it to work again, I've spent hours playing around with it. Place the ignition switch to the OFF position. I kept doing the raising the temp on side and lower the temp on the side and turn off the truck. I have tried it in Customer: 2005 AVALANCHE AUTO CLIMATE CONTROL PROBLEMS. I tried clearing it using the reset button when I noticed that the climate controls were completely black, no power at all. By following these steps, you can diagnose and address the potential causes of your Chevy Avalanche not blowing cold air. What Is a Chevy Blend Door Actuator? A blend door actuator is a Oct 18, 2022 · Climate control module is the brain of the air-conditioning system in your Chevy Avalanche, responsible for controlling all the components in the system. For a temporary 10-second blend door actuator repair, swing out the Jan 10, 2016 · Had my battery unplugged/died/replaced over the weekend. If you have climate control look up while sitting in your driver seat. The Blend Door and the Mode Door actuator are identical parts. On the Avalanche how do you reprogram the HVAC? Apr 14, 2002 · Maybe I'm just too dense, but it seems that either I mis-understand the owners manual or my automatic climate control isn't working right. My truck is equipped with the digital dual climate control until. The blend door actuator (s) are typically located on the climate control case behind the dashboard. Full Manufacturer Warranty. Took my climate controls out and the fan continued to work, ended up pulling Jun 16, 2016 · Back in 2014 I had the problem where the right side will blow heat and driver side cold. Works fine for awhile when vehicle is started, then air stops coming out of the vents - blower still on and I can feel cool air at the vents. Hence, blowing hot air. When the heat is adjusted to max, it works like it`s suppose to blowing hot air on both the passenger and driver`s side. Start the vehicle. I have a consistently inconsistent problem with the A/C control. The passenger side blows hot while the driver side blow cool even though both are set on cool. When there’s no air flowing through the truck’s cabin, a bad blower motor usually causes this scenario. Got to my destination, turned off the key and the blower kept running. Long story, but basically I ended up with a new battery. 5″ to . I thought I read one posting that said 2004 chevy avalanche with dual control system problem Any idea why a 2004 chevy avalanche with dual climate control setting at 60 with a/c on would blow hot on passengers side and cold on drivers side?? Pulled the fuses and they are in good shape, anything else I should look for or test? Do you have a GMT-800 Silverado, Sierra, Tahoe, Suburban, Yukon, Denali or Escalade that needs the heater & AC/ climate control HVAC unit replaced? We show you how to replace the climate control May 13, 2004 · I need help again with my mystic climate control. I figured that would be easy enough so removed it and it was pretty dirty. Replacing the actuator or recalibrating the climate control module usually resolves the problem. Its extremely hot outside so I have the A/C cranked all the way up Jan 4, 2007 · Forums Forums Avalanche Owners Zone Chevrolet Avalanche Problems, Q&A Problems: Basic Electrical I 2007 chevy silverado 1500 LTZ 5. I changed the battery and now my driver side vents always blow hot air. I found my negative cable connection was loose and repaired it Apr 24, 2024 · – If necessary, have the climate control unit inspected for any faults. I just got back from a 3 week Business trip and my truck almost didn't start at the airport. Symptoms include sudden AC loss despite functional compressor and refrigerant levels. Have a problem or service related issue with your Chevrolet Avalanche? Want to know what a DIC is? Not sure about a strange noise? Well discuss it here. Learn everything there is to know about your Chevy vehicle's various climate features, including heated steering wheel, defrosting and more. The passenger will control as normal. Jan 29, 2012 · I have an 05 with the manual climate control and one light in the cluster does not work all the time. I had both climate control temp gauges at 60 degrees. I did not want all the lights out in the truck so I was trying to find the correct fuse to shut off power only to this unit. 1. Jun 16, 2002 · OK, Iv'e read the manual, and I've read the articles here, and I'm a little confused. Use at your own risk. Before changing any more parts, a resync of the HVAC actuators might prove helpful. The actuator can fail due to electrical faults and damaged gears. It had the known issue of driver's side vents going to full heat despite setting temperature to lowest (60) AC setting. May 27, 2009 · My dual climate control system seems to not be working. It has the Auto climate control. Now think about this - warm air rises, cold air settles. They work as follows--first push, may or may not work, second push, always work. Jul 29, 2023 · What you are describing is very likely a failed MODE door actuator. Jul 26, 2010 · Hey guys, having problems with my AC. I checked a few May 5, 2024 · The most common reasons a Chevrolet Avalanche ac isn’t working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. 3L and the dual climate controls stopped working today. Is there a fix to this issues other than replacement? And it's an 03, manual climate control. Still keeps the car cool but I cannot direct the air flow. The digital display works just Heat & Air Conditioning Parts and More for Your 2004 CHEVROLET AVALANCHE 1500 at Reliably Low Prices. To correct the problem I had to replace the heater blend door actuator. On any other setting, the truck blows cold air on both sides. I have Apr 15, 2024 · 3. I replaced the mode door actuator and have tried the recalibration fuse removal technique about 6 times now and nothing. Jun 13, 2025 · Is your Chevy’s climate control acting up? Maybe the temperature won’t change, or you hear an annoying clicking noise whenever you adjust the settings. Apr 29, 2022 · I have a 2003 Chevy Avalanche 1500 and the fan abruptly stopped working for both heat and A/C. Sep 1, 2011 · My climate control buttons and steering wheel buttons are flaking off badly. When I push the AC button (with the snowflake) the light will blink several times and then goes off. Jul 26, 2019 · One of the most inconvenient vehicular problems is when the A/C won’t blow cold air. I usually can disconnect the battery, after the screens go black, and they both illuminate. Fast Online Catalog. When the climate control panel shows no lights or screen display, first check the fuse related to the HVAC system. Its not the main lights that are up by the turn nobs its the buttons down below like the ac and defrost are. If I want to go back inside and let it warm up for 5-10 minutes I increase the fan speed manually to max on defrost to insure it stays on. That 3/4" grille in the head liner covers up the temperature sensor for the cab. Apr 15, 2009 · I was working in the dark last night on my z71 '03 trying to remove the Climate Control Unit so I can replace burned out illumination bulbs (under the head unit). com https://trq. Wait 40 seconds for the HVAC control module to self Customer: 2005 AVALANCHE AUTO CLIMATE CONTROL PROBLEMS. I have a feeling this is an ambient temp sensor problem. ITS 2004 Chevy Avalanche Dual Climate Control Blowing Hot Air Issue Avalanche often faces faulty blend door actuators and inconsistent temperature control in dual climate systems. Customer: I own a 2002 vehicle model, and I'm experiencing issues with the heater controls. Dec 23, 2019 · This trick is not limited to Chevy vehicles. For example: Today I am coming back from class sitting in traffic. In the past if I've unhooked the battery and l Dec 24, 2019 · I have a 2004 Avalanche and am having strange climate control issues. Then did back to regular temp and turn it off and then turn the truck on. a faulty control Apr 29, 2009 · I like my '02 dual manual climate control better than my '04 dual auto climate control. The culprit might be your blend door actuator. The AC issue likely involves the HVAC control module, which manages signals between the climate controls and condenser. Jan 14, 2025 · The most common reasons a Chevrolet Avalanche 1500 AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. It is entirely possible for your Avalanche’s heater to work just fine even when the air conditioner is blowing hot air. They For dual climate control issues, start by inspecting the blend door actuators, which regulate airflow and temperature. Checked actuators and there is no in between. What's the problem and how do I correct it? Jan 4, 2007 · If you currently own, previously owned or want to own an Avalanche, we welcome you to become a member today. 2003 Avalanche / GM full size climate stuck in defrost Venezuela ATTACKS the WRONG US Aircraft Carrier - Then THIS Happened 2010 Avalanche - I have the automatic climate control, but having a strange issue with it. Jun 11, 2012 · This is my first avalanche with auto climate control and I'm not sure what to expect so please advise if you think mine is operating correctly or not(it seems to me it is not): My AV has an auto selector for the fan speed knob as well as the other knob (one that directs which ducts to Having problems with the climate control of my Chevy Trailblazer 2006 EXT. That is, the backlight on the I/C cluster does not work until the headlamps are on. 5. Mode switch has no effect on where the air blows out. 2018 Chevy Equinox Climate Control Panel No Power Issue Equinox climate control panels often lose display power and fail to respond to button inputs. Feb 24, 2012 · OK so i noticed there's a lot of threads on this but i haven't found my exact problem. When using the auto air option I still have the same problem. In rare cases, a fault in the climate control unit can cause the AC to stop cooling. Replace Climate Controller: The climate control computer is located in the HVAC panel itself and is subjected to moisture and vibration which can cause it to go out, it is best to confirm the failure by doing a CAN scan. If the climate control needs Jun 19, 2009 · I am sure some (or all) have heard of this problem, but I need some help because its driving me nuts! I installed a new battery in my wifes 2002 Chevy Tahoe. DIY-Easy. I GM Automatic Climate Control Common Problems, Fixes and Repairs. Dec 12, 2022 · I bought this vehicle listed above, which has an auto HVAC control. I must remove the fuse to - Chevrolet 2006 Avalanche question 2004 Chevy avalanche with manual climate control. It features computer climate control but lacks dual control. The experts at 1A Auto show you how to replace the A/C and heater air temperature control on your 99-06 Chevy Silverado or Suburban, or GMC Sierra. Oct 1, 2012 · Hey y'all. Is this normal? The reason I ask is because I just traded a 03 Silverado with Auto climate control and the snowflake never came on, but operated perfectly. Faulty actuators often cause uneven cabin temperatures or unresponsive controls. THE SAME PROCEDURE IS USED FOR A TAHOE OR SILVERADO PICKUP TRUCK WITH THE AUTOMATIC CLIMATE CONTROL THAT HAS A DIGITAL DISPLAY. Any engagement of the Sep 21, 2004 · I just bought a 04 Z71 Av loaded. I usually keep the temperature at 83 this time of year but when I drive, after the engine has warmed up, the air out of the vents will fluctuate from the correct temperature to what feels like 10 degrees cooler and then back 2004 Avalanche with dual zone climate blows only hot air on driver side. Which Mar 21, 2005 · My '04, Z-71 AV with climate control is driving me nutz! All the climate control buttons (such as front and rear defrost, AC on/off, blower control--where the air comes out, not blower speed, seem to have a mind of their own. The drivers side evens seems like it used to blow colder. The truck has one more issue that may be related. Regularly check refrigerant levels and ensure electrical connectors are secure to maintain proper function. I have hot air blowiing on the passenger side and cold blowing on the drivers side. Turns out it’s common to have a Chevy truck with blower motor problems. I attempted a recalibration but no luck, so I replaced the blend door actuator & attempted the calibration Customer: 2005 AVALANCHE AUTO CLIMATE CONTROL PROBLEMS. Older car models will have the sub-controller somewhere under the dash which uses the control panel as a switching station. The orange indicator light is on but the actual light that shows the buttons at night has gone out. The controls work fine, that is the heat up and down, A/C, fan speed, all of that. Actuator blows how to fix ac in 2004 Chevrolet avalanche diy" Ac only blow on five Most of the time when you ac only blowing on one number mostly #5 it's always be the blower motor resistor. When I push "Auto" the little A/C snowflake comes on every time. No matter if I had it on auto or manual controls, nothing changed the temperature off of Nov 3, 2024 · Hello, Does anyone have an idea as to why the radio and climate control displays go black, but both still function on my 2008 avalanche Lt? I can go out the next day and both screens will be illuminated. 1500 4x4 with automatic climate control. Way to fix it temporarily until I can replace whatever is broken? I have a 2004 Chevy Avalanche with an A/C problem. Your Choice of Quality. A common problem and I know I need to reset the CC now. Any GM techs out there? This time my problem is with the climate control system. Feb 6, 2022 · Chevy Avalanche – (IFCAR / Wikipedia) The most common causes for AC fan blower motor not working in Chevy Avalanche are blown fuse, bad relay, resistor or control module malfunction and faulty blower motor. BS. video/c-134-z The HVAC control module, or control head, controls the adjustment of temperature and fan speeds in your vehicle. Which 2004 chevy avalanche with dual control system problem Any idea why a 2004 chevy avalanche with dual climate control setting at 60 with a/c on would blow hot on passengers side and cold on drivers side?? Pulled the fuses and they are in good shape, anything else I should look for or test? Do you have a GMT-800 Silverado, Sierra, Tahoe, Suburban, Yukon, Denali or Escalade that needs the heater & AC/ climate control HVAC unit replaced? We show you how to replace the climate control Contact me at dpturner486@gmail. Dorman offers an aftermarket solution for t Jun 13, 2018 · I have a 07' Tahoe and the AC will not work. When I use the air-conditioning, the driver side vents randomly begin blowing hot air, and the amount of air flowing Sep 16, 2022 · Climate control module is the brain of the air-conditioning system in your Chevy Avalanche, responsible for controlling all the components in the system. If your Chevy Avalanche isn’t keeping you cool, we’ve outlined some of the most common reasons why this might be happening. Apr 25, 2008 · Forums Forums Avalanche Owners Zone Chevrolet Avalanche Problems, Q&A Problems: Systems Sep 8, 2012 · The module for the climate control has slowly started having lights go out on it. ITS SEEMS AS THOUGH IT DECIDES EACH TIME I START THE TRUCK WHAT IT IS GOING TO DO. The '02 blower speed control switches in various resistors to control the speed, it does not go through the BCM. Oct 25, 2017 · I have a 2007 Chevy Avalanche with dual electronic climate controls that started giving me an electrical problem with all the indicators turning on that was indicated by another thread could be a battery of loose cable connection. Install the HVAC/ECAS fuse. If interrupted, improper HVAC performance will result. I asked before and everyone said to remove the fuse and or disconnect the battery which i did but it didn't fix it so i went and got a new control module thinking this was the problem well guess Jan 4, 2020 · The climate control seat system consists of two heated/cool ventilation modules and one CCSM that controls both the driver and passenger heated/cool seats systems. I have tried to pull the fuse to reset the computer, that work for awhile but then the problem returns. Remove the HVAC/ECAS fuse for a minimum of 10 seconds. My 2004 Chevy Avalanche has a Climate control Problem. I never heard of such a thing. Inspect the wiring harness behind the panel for loose or damaged connectors. I just replaced my driver's side actuator and my temp control will still not work. I attempted a recalibration but no luck, so I replaced the blend door actuator & attempted the calibration My climate control system only blows from the defrost location no matter what the setting on the console. BLOW HOT AIR OR COLD AIR AND IT WILL NOT CHANGE UNTIL I STOP THE TRUCK LEAVE IT FOR 20-30 MINUTES AND RE-START THE TRUCK. from what i read its seems it may be the actuator May 19, 2009 · Here I am again, posting about my darn Chevy Avalanche. It has the automatic climate control and the A/C will not engage. 4. The AC does not work at all and the heat Apr 15, 2009 · I was working in the dark last night on my z71 '03 trying to remove the Climate Control Unit so I can replace burned out illumination bulbs (under the head unit). I also believe that the Resirc Door actuator is similar, if not the same. Stock parts only. 02K subscribers Subscribed Today I bring you along as I work on a 2014 Chevy Truck that came in with a customer complaint of no heater. comHelp support the channel and get the OEM AC Delco Part by buying from here: http://amzn. The most common reasons a Chevrolet Avalanche ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. Silverado Tahoe Escalade Yukon Pro Rebuild 4. 75″ from full cold. It is stuck in defrost mode with cold air. HOWEVER, when putting the fan on to a midrange constant and direct the air to blow anyplace but auto mode, my temp control will cause only cold air unless I have it all the way to the right in max heat. Push it, it blinks 3 times and goes dark. Shop for New Auto Parts at 1AAuto. First, start the engine and then turn everything on the HVAC to off with the temp sliders on full cold. Not exactly sure how to do this. Aug 7, 2002 · How does everyone elses climate control work when it comes to auto-heating? ?(this is the computer controlled one, with the Convenience Package) It was a chilly (for this time of year) 60*F this morning. Jan 5, 2014 · On some 2003-2006 model year Chevrolet Avalanche, Suburban, Tahoe; GMC Yukon, Yukon XL; and 2003-2007 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a manual heating, ventilation, and air conditioning (HVAC) system (CJ3) or heavy duty heater (C42), the interface between the electrical terminals of the relay resistor module Jul 20, 2013 · Forums Forums Avalanche Owners Zone Chevrolet Avalanche Problems, Q&A Problems: Systems Often the HVAC control unit for these vehicles are discontinued, prohibitively expensive, or only available used. My question is, can I buy the buttons and replace them without having to buy a whole climate control unit? Sep 29, 2011 · I too have the problem where the blower will not come on (2008 Avalance, Auto Climate control, Dual zone). This guide will show you exactly where to find these pesky components in various Chevy models and what to do when they fail. I decided it was time to change the battery. Jul 19, 2009 · Forums Forums Avalanche Owners Zone Chevrolet Avalanche Problems, Q&A Problems: Systems Apr 9, 2008 · The dealer said they needed to reprogram my HVAC. For example, I will have the fan to auto, the mode to auto, and the temp set at +19C (cold!). During summer months the Air conditioning system seems to stop Sep 15, 2005 · 2002 with auto-climate control when in Auto mode, the temp control will work for any temp I set the control for. The system blows hot air regardless of the temperature setting until I turn it down completely and activate the AC, at which point it becomes cold. In rare cases, a fault in the climate control unit can cause the heater to stop functioning. Thanks for any help with this problem. Mar 26, 2008 · Over the last few months my climate control seems to be slowly dying on me, 1st fan speed #1 quit, then 2, 3, 4, now I only have the option of #5, full blast. It's like the first push is to get the systems attention, and then the. So when the heat went out on my Chevy Avalanche that I purchased a week before, I knew I wanted to fix it myself. Feb 19, 2018 · I know this doesn't help you right now, but I am experiencing the same problem. com Customer: I own a 2002 vehicle model, and I'm experiencing issues with the heater controls. It's an '05 with the automatic climate control. With both driver's and passenger sides set to 60 degrees in auto mode, I initially get cold air on both sides but the driver's side then goes to hot while passenger stays cold. Anybody else have or has had this problem? Thanks Dave The control knob that controls my heat, and cooling in my truck stopped working. I know just enough about cars to be dangerous. I have a 2004 Chevy Avalanche Z71. Jan 14, 2025 · The most common reasons a 2013 Chevrolet Avalanche AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. When I have the unit in "full auto mode", i. The Blend Door actuator is located in the Fuse box diagrams for Chevrolet Avalanche (GMT900) (2007, 2008, 2009, 2010, 2011, 2012, and 2013), including the location of blocks, a list of fuses and relays, and Oct 13, 2010 · Having issues with an 05 Silverado electronic Climate Control. The problem is that the display is either so dim I can't see it, or it is blank. When your fan speed selector only works on Apr 15, 2013 · My '98 GMC 1500 was directing air only to the floor, regardless of where the Mode knob was set. It will come on when I give the dash a good rap on top, but I am wondering if this may be an issue where the solder connection may be corroded up a bit. When I try to use my a/c only the driver side blows cold air and passenger side blows very hot air. The same goes for the recycle air button. If you change batteries, yours goes dead, or your doing some maintenance that requires unhooking the positive then your dual climate control will need fixing. Shut the engine off and disconnect the battery for a few minutes. Also, when I Nov 11, 2025 · Learn the main symptoms of a bad blower motor resistor and the replacement cost to restore proper heating and cooling control. The Mode door is located on the left side of the heater core box, which is located under the center of the dashboard. The heat was Here’s how to set your preferred temperature with automatic temperature controls (if equipped). 2. SOMETIMES WHEN I START THE TRUCK THE AIR CONDITIONING BLOWS HOT AIR. When I start the car in the morning the a/c clutch engages and the system cools fine for 20 minutes or so. Typical "newer" vehicle where we have three comp Restore your GMC or Chevy heater control with expert repair from Tanin Auto. sometimes it comes back on, sometimes not. Seems that when I choose to change the fan speed or turn off the AC or change the vent positioning using the buttons, they sometimes choose to only work on the second push. Zero function. While driving today blower motor Kicked out, I turned up the fan speed and it kicked back in. Yet, yesterday was the first warm day and the air conditioning did not work. It will work on any knob using a potentiometer. 2005 AVALANCHE AUTO CLIMATE CONTROL PROBLEMS. Aug 12, 2011 · The topic of how to perform the actuator recalibration procedure on Chevrolet , GMC and Cadillac Trucks and SUVs has become an ever increasing topic of discussion. The temperature is either fully hot or fully I have been trying to diagnose my a/c system problems for a few days now with no luck. ?I set: Fan: ?AUTO Temp: 82 (not full hot) Vent: AUTO and let it fly. Membership is FREE, register now! Forums Forums Avalanche Owners Zone Chevrolet Avalanche Problems, Q&A Problems: Basic Electrical Feb 10, 2020 · 2003 Silverado Z71 LT package My climate control module has started acting wacky. e fan and mode, and the temp set to a reasonable 70, the A/C will not seem to come on (warmer than 70 inside Jun 23, 2011 · Watch this video to learn how to fix heating and cooling problems. Not sure if the replacement part is bad or if something else is going on. Oct 20, 2008 · I have a 2005 Avalance. However, a bad electrical connector or broken wire, or a defect in the climate control unit can also cause the blower motor to stop working. The resistor pack is mounted to the bottom of the blower housing, near the blower motor, mounted in such a way that the resistors are in the air stream. I push the AC button at the climate control and it flashes 3 times and goes dark. Sep 18, 2025 · Hello I have a 2008 Chevy avalanche The problem i have is if I turn on Cruise control my ac on the passenger side starts blowing hot but I can not always get the same thing to happen sometimes it happens if the auto mode gets turned on or off but turning off the truck and sitting for a couple Well over the months I've come to terms with my climate control and made some general conclusions. See full list on carcarehacks. I know it's a common problem because I just spent a month looking for a used Avalanches and a LOT of the ones i saw had the same problem. Just purchased the control module but it sounds like it's going to be the blower. They The most common reasons a Chevrolet Avalanche ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. Chevrolet should send out a bulletin to owners on how to fix. It's like the first push is to get the systems attention, and then the This video is regarding the repair procedure for a GM Full Size Truck AC Heater Fan Speed switch AND a complete climate control assembly replacement. Can someone please Sep 16, 2022 · Climate control module is the brain of the air-conditioning system in your Chevy Avalanche, responsible for controlling all the components in the system. Oct 30, 2010 · I have a 2004 av. I had my 2000 Corvette dynotuned and the PCM was reflashed. Sep 28, 2014 · Hello all, I have a 2003 Av with the automatic climate control. If it's +27C out and hotter Nov 25, 2007 · I have read alot of posts from owners of 2004 avalanche with problem of AC blowing hot on one side intermitantly. Now my dual climate control is blowing hot on one side when the AC is on. Got a car repair question? 2CarPros will answer your question for free by providing information that will help solve your problem quickly. I replaced the climate control panel thinking it was Feb 12, 2010 · My climate control unit is only operating on 4 and 5. Mar 8, 2008 · This morning I noticed that I can't change my vents to where the heat comes out at the floor and I can't use the defroster. Jan 17, 2011 · 2005 GMC Z71 1500, W/ Dual digital climate controls. I've already replaced the blend door Jul 11, 2018 · Hi, I have a 2003 avalanche with automatic dual climate controls, which have a couple problems. Can anyone tell me what's causing this and give me an idea of what it will cost to have it repaired? Any help at all would be greatly appreciated. However, there are a few less common reasons as well. Customer: I have a 2004 Avalanche about a month ago I noticed the passegner side was blowing hot air. On my climate control system, the A/C will not turn on unless I press the A/C button. For manual systems it does not matter where the a/c controls are set but if you feel the need to do something, turn the blower switch on (I prefer speed 3) and set the temperature sliders about . It would work at times and it Electronic climate control module on Amazon https://amzn. I can move my blend door by hand, but no movement from the new motor. The temperature is either fully hot or fully cold. Th 2006 Chevy Avalanche climate control fan won't turn off. Fixing A/C in under five minutes and it's free! 2009 Chevrolet Avalanche air conditioning malfunction after battery disconnected, dash component replacement, or servicing any heater actuator the GM HVAC BLEND DOOR ACTUATOR RE-CALIBRATIONA simple procedure that may fix your heat and AC controls for free! Sep 1, 2007 · Try this Important Do not adjust any controls on the HVAC control module while the HVAC control module is self-calibrating. 3. I still don't know the fix without having to spend hundreds of dollars Dec 29, 2017 · The climate control is stuck on defrost. My 04 has the auto control and the pass side gets hot air but wont go cold and the drivers side blows warm but not hot or cold, weather i put it on 90 or 60. Oct 3, 2022 · Usually the culprit If your Chevy Avalanche has no air moving through the climate system at all, that’s a lot easier to diagnose than the air that is blowing not being cool enough. If I start my truck and turn on the heater/defrost it shuts off sometimes. Apr 10, 2025 · How reliable is the 2004 Chevrolet Avalanche? Explore all the popular car problems, read 318 complaints and 6 recalls, and read 50 reviews from real 2004 Chevrolet Avalanche owners. That’s why troubleshooting the air conditioner is totally Mar 1, 2006 · Forums Forums Avalanche Owners Zone Chevrolet Avalanche Problems, Q&A Problems: Interior Feb 22, 2014 · I have a 2011 (no navigation) with about 41k miles. I read it could be the Temp Door Actuator? If it is Where is it located? How do i get to it ? And can i get it form the dealer? And is there a recall on it? Apr 8, 2009 · MY 04 avalanche has a problem with the climate control. to/31C28lZ On a 03-07 Chevrolet/ GMC Truck with the Electronic Climate Customer: 2003 avalanche - climate control is manual. When I turn the passenger side temp knob to increase or decrease the temp the numbers bounce all over up and down and it takes as long as thirty minutes to settle out where you can actually adjust the temp to what Oct 29, 2004 · I have an 03' avalanche Z71, Love the truck anyway I am taking to the dealer on Monday due to my Climate Control, When you first start up the truck and it is warm in the cabin, the ac comes on and the blower motors cycles high to low speed repeatively, for about 2-3 minutes, everything works Mar 16, 2003 · As for your fan problem, it sure sounds like a burned out resistor pack to me. It went away for a while but i just had some battey trouble and now after replaceing the battery i blows hot air all the time. to/2GmkqOB May 13, 2004 · I need help again with my mystic climate control. With the AUTO mode selected, the temperature inside your vehicle changes to your preferred temperature without any further action on your part. Even when the engine is off. Nov 22, 2023 · The control unit was acting erratic, I was looking to replace it and found that refurbished units were available. Is there a software problem with the Jun 21, 2007 · The HVAC system in my truck goes from blowing A/C cold air to straight heat in either the drivers or passenger sides vents without me changing the controls, lol. This is a very common problem that needs a very simple solution. Resolve display issues, backlighting, and buttons for 2003–2007 models. Give us the know how on simple fixes. to/2YSz4Vl Manual climate control module on Amazon https://amzn. First, I can adjust the temperature fine on the driver's Got a car repair question? 2CarPros will answer your question for free by providing information that will help solve your problem quickly. The other day I noticed that instead of an outside temperature on the instrument cluster I had three dashes ---. Problems, questions & answers about: AC, auto-climate control, heater, power steering, cruise control, ONSTAR, power seats, power windows, etc. Immediately afterward, the controls would only blow heat through the defrost setting, no matter what the dial was set to. qal habak xvtsfhqq zyapyaaz rletfbo ykcxt czcusy bmdb acw wjhfr wrhd nugwow zpsj gmxwsfbv tfyqq