Trailblazer climate control problems. So if your driving with .

Trailblazer climate control problems. Signs Your Chevy’s Blend Door Actuator Needs Resetting Temperature doesn’t match your settings 2002 Chevy trailblazer. Off and on over the last few summer when the fan was blowing, no air would come out. Note: If equipped with Remote Start, the climate control system can be programmed to run automatically when the vehicle is started remotely. Feb 14, 2025 · The summer sun beats down, the asphalt shimmers, and the inside of your Chevy Trailblazer feels less like a comfortable cabin and more like a mobile sauna. Not sure if this is a computer issue as all of the other systems seem to function fine. Jul 6, 2024 · I recently replaced the ac comepressor on my Chevy trailblazer and got the ac working again. Apr 3, 2013 · My problem stems from the all popular HVAC actuators stemming from the dead/disconnected battery. I have already replaced the AC control module, the blower motor, the low-pressure switch, and the blower motor resistor. 6K subscribers Subscribe May 1, 2009 · I have an 03 trailblazer and I can no longer turn on the ac/heater. Jun 29, 2009 · Do you have manual or auto-climate control? On my Envoy w/auto-climate control the read-out shows outside temp unless a temp change is checked or changed. And one stays constantly lit. For Customer: i have a 2002 chevy trailblazer and my problem is that it hasthe climate control for each side k , now it s winter ttime and with the heat setting on hi for both sides it blows hot air on driver side and ice cold air on passenger side. Long story, but basically I ended up with a new battery. Recently my front vents stopped working on my vehicle. It’s a ghost problem. 2 liter. ill let you know my results Solve temperature control and direction of airflow issues on Chevy Traverse and other GM vehicles. it comes and goes so dealer said it was working fine. ) Work. It slowly started going out, at first it wouldnt work on the number 5 setting, then occasionally I could turn it on and now nothing. Is there an option I’m missing? Shop for New Auto Parts at 1AAuto. 9K views 2 replies 3 participants last post by my-tb Mar 20, 2011 S Mar 26, 2022 · Climate control module is the brain of the air-conditioning system in your Chevy TrailBlazer, responsible for controlling all the components in the system. Learn how to diagnose the problem and fix it for good. (Vehicle shown in video is a 2006 Silverado with Automatic Digital Climate Control. do i need to take the pedal off to get the vent duct out so i can get to the actuator? 2001 Trailblazer Climate Control Intermittent Heating and Cooling Issues Trailblazer climate control often faces blend door actuator failure and faulty temperature sensors causing inconsistent air temperature. video/c-4-UThis video shows you how to replace the HVAC Control Module in your 2002-2009 Chevrolet Trailbla But the issues remained—engine, transmission and electrical problems were common, and combined with braking issues, poor fuel level sensors, rear light issues and climate control problems, the Trailblazer saw one of its worst model years. I tried jiggling wires and unplugging the connector at the blower module and reconnecting it several Nov 24, 2014 · These Chevy's are very sensitive to less than optimal voltage. Bullshit. Im thinking its the actuator. Often the HVAC control unit for these vehicles are discontinued, prohibitively expensive, or only available used. "Hot air on driver side & cold air (temperature controlled air) on the passenger side. do I leave the battery connected or disconnect? Sep 29, 2011 · My 03 Trailblazer with digital climate control has suddenly developed a mind of its own. These have issues with backlighting and the temperature control knobs not moving linear to knob movement. What you have is the temperature door is not moving on the driver's side. com/cgi-bin/webscr Today I'm going to show you how to RE-CALIBRATE your AC control panel on your Chevy/GM truckmore May 19, 2011 · Hello all. When working on my Silverado last year I ran the battery down quite a bit. I've seen a couple glitches, that went away. The system uses the interior climate settings you set before you last turned the vehicle off. :m2: Oh, what a tangled web we weave, when first we practice to deceive. I've been reading a bit on the Trailvoy forum and while there is some good if scary info it seems to deal mostly with models even older than mine. ) I read a thread from another member that suggested to reset the sensor by pressing the "mode, front defrost, and Jun 21, 2018 · Auto climate control does have Electronic control Module instead of resistor located under the glove box right next to the blower motor. Dorman offers an aftermarket solution for t May 19, 2009 · Hello everyone, I can sure use some help if any know what's wrong with my suv. Nov 25, 2015 · :weird:I don't know what this problem could be. 2-liter engine is having an issue where the climate control panel isn't lighting up and there's no power to the heat, AC, or defog functions. Im going to the dealer tomarrow to get the part & should have it installed by end of the week. A faulty actuator or broken gears can prevent hot air from flowing on the driver side. Feb 4, 2012 · I tried turning off the climate control, which had no effect, even turned the truck off and it kept blowing, and eventually had to unhook the battery to get it to stop. . com Mar 4, 2024 · Please,please for the love of God, can someone tell me why air continues to blow from my vents even when the fan is off? 2024 Trailblazer RS No off button just the three choices. What these are and what you can do about it, we explain in this article. Feb 19, 2019 · Find your vehicle's configuration number by pressing UP/DOWN arrows on the fan control. 5 (max) still works, and the a/c Apr 7, 2008 · I just wanted to let y'all know, I had a problem with the exterior temperature reading being stuck on 39 degrees on my climate control unit (I have the automatic climate controls. 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 . Apr 6, 2021 · Just wanted to put this out there in case it hasn't been brought up before. 5″ to . Jun 19, 2009 · Climate control problems after battery change Jump to Latest 212K views 38 replies 21 participants last post by Keke Aug 24, 2020 ptdavisjr Discussion starter Oct 3, 2022 · Usually the culprit If your Chevy Trailblazer 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. So if your driving with May 21, 2007 · I have the same problem with my 03 Envoy, but I do not have autoclimate contols. Is there a separate fuse for the two that i can pull til i can get it fixed? Feb 8, 2011 · The problems with HVAC after a battery disconnect are almost entirely localized to airflow actuators failing to calibrate their positions. The problem: I have a 2006 Trailblazer EXT with manual HVAC controls. When there’s no air flowing through the vehicle’s cabin, a bad blower motor usually causes this scenario. The air is only blowing out of the floor and kinda blowing out of the defrost vents The most common causes for AC fan blower motor not working in Chevy TrailBlazer are blown fuse, bad relay, resistor or control module malfunction and faulty blower motor. Feb 15, 2021 · I now hook a jump box to the system before changing the battery in Trailblazers or Envoys to prevent a recalibration from occurring. My manual says something about the "R" Jan 14, 2025 · The most common reasons a 2003 Chevrolet Trailblazer AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. I had not driven the truck after pulling the gauge until today and the AC door actuator is constantly making very loud Oct 13, 2009 · Only my driver side climate is working. Does anyone have any knowledge of a fix for this? 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. However, now that the weather is warm, I have found out that the AC clutch is not engaging most of the time. Then minutes (sometimes several) later it would See relevant content for smartacfix. What Are The Best Years of the Chevy TrailBlazer? My 2002 GMC Envoy is having A/C problems. Next I checked the pressure which seemed ok and not like it had Jun 15, 2023 · If the climate control system in your Chevy Trailblazer is broken, it could be the result of potential problems like electrical malfunctions, refrigerant leaks, or even a faulty air compressor. Post Reply Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum 1. This is my first post. The actuator can fail due to electrical faults and damaged gears. So I checked whether the ac clutch was engaging or not and it wasn’t. Sep 4, 2012 · This is an older thread, you may not receive a response, and could be reviving an old thread. Now my AC/Heat control display does not come on. 75″ from full cold. Either the speed control module or the rear HVAC module can be bad, and without an oscilloscope it's very hard to look at the control wire between the two and figure out which one's bad. Now my dual climate control is blowing hot on one side when the AC is on. I tried jiggling the wires and unplugging the connector at the blower module, then reconnecting The heater and a/c fan in my 2003 Trailblazer hasn't worked on speed 5 in a LONG time. May 3, 2014 · Second, I have never had a need to request help from a forum before, but I am at the end of my rope with this problem, so this is one last desperate attempt to figure this out before I break down and take the Trailblazer to the dealership. I went to O'Reilly Auto Parts and purchased the Blower Control Module (Part # BWD RU1321). Inspect the actuator under the dashboard and listen for clicking noises. The other day it randomly quit blowing cold while I was driving. We replace all components with new parts and fully test them to ensure perfect operation. With the door stuck in the max or min position, it's usually stuck there. First off, the light for the passenger side temp slide unit is burnt out. Do you still sweat while driving your Chevy TrailBlazer? Your air conditioning system no longer cools properly? This can have different causes. I press the temp button on the steering column and the display shows the temp setting has dropped several degrees. Sparky's Answers - 2003 GMC Envoy, No A/C Vent Control, B0263 Sparky's Answers - 2004 Chevrolet Trailblazer, Identifying Heater A/C Actuators Nov 20, 2007 · It is also possible that the climate control head for the dual controls is fried, and the car doesn't recognize input from the driver's side controls. The other part is that over time, all the fan settings, well 1-4 have gone dead. I've tried to recalibrate by taking out the fuse, waiting a couple minutes, putting The most common reasons a 2005 Chevrolet Trailblazer ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. Learn about this problem, why it occurs, and how to fix it. It didnt work for me. The 1st digit will change from a "0" to an "S" which indicates your configuration needs to be set. I recently replaced the blower control module, and it worked fine for several days, but then it reverted to only running at the lowest speed again. 3M posts 181K members Since 2004 Home Forums 2002 - 2009 TrailBlazer/Envoy Tech 02-09 Appearance Interior If your AC control module has gone bad, you'll need to reset it. Dec 24, 2020 · Can someone tell me step by step how to recalibrate the hvac system in my fiance 06 trailblazer??? Ive found post and tried it but it didn't work. 67 Free shipping Apr 24, 2024 · I've read alot of peoblem everyone is having. When it malfunctions, you’ll experience inconsistent temperatures, strange noises, or complete failure of temperature control. Problems with those modules are common transistor failure due to a high current and Heat. Air Conditioning problem 2004 Chevy Trailblazer 6 cyl Two Wheel Drive Automatic My duel control air right side HOT all the time. Im having a hard time locating it on my truck. My rear climate controls do not seem to be working. com https://trq. 2023 Chevrolet Trailblazer AC Is Not Working? RepairPal will help you figure out whether it's your AC Refrigerant Leak, Climate Control Electrical Issue, AC Compressor, or something else. Jan 27, 2023 · Dear enthusiast, my climate control display is blank and I have no heat or ac. My blower fan only operates at the lowest speed, even when I attempt to increase it. One of the most frequently encountered problems is a complete failure of the air conditioner to function, along with complaints of insufficient cooling or the unit blowing only warm air. Reply 1: it could be Apr 7, 2012 · Just search for "trailblazer rear climate control". Jun 27, 2009 · I'm having a problem with the ambient air sensor in my 2008 TB. I get air from the floor and defrost vents but nothing from the dash no matter what I have tried. Vents by the windshield, vents to blow in your face and vents to blow on the feet. The AC does not work at all and the heat The most common reasons a Chevrolet Trailblazer ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. For a temporary 10-second blend door actuator repair, swing out the May 17, 2022 · On a 2007 chevy trailblazer what does ecas mean in the fuse box,trying to recalibrate climate control switch - Cars & Trucks question Dec 15, 2012 · Does anyone know what would be causing the heater to not blow hot air like I'm accustomed to? My truck is getting up to the correct operating temp just as quick as usual but for some reason the heat just never gets as hot as usual. Reply 1: blower fan not working check fuses and relay check Customer: I have a 2003 Trailblazer with automatic climate control. Mar 12, 2021 · The air conditioning is a blessing, especially in hot temperatures. These control airflow temperature separately for each side. GM Blower Motor Resistor Troubleshooting | 2002-2009 Chevy Trailblazer GMC Envoy or similar Axle's Garage 27. Dec 28, 2010 · The problem is when the control head either gets confused on where the door position is it defaults to either the full max hot (usually the case) or full max cold position and will not move the door from that point on. There is no reading for inside temp. I own a 2003 Chevy Trailblazer LT with the duel digital thermastat controls. Though while moving the truck will vent either hot or cold air, but I have no blower controls. It features tested temperature switches and replaced backlight bulbs. The part came in and they replaced the control unit, however it did not fix my problem. I took in to my dealer and they said that the control unit was bad and needed to be replaced. However, my actuator has gone out again (dead battery, probably a parasitic draw). Please consider creating a new thread. Customer: I have an 03 Trailblazer with automatic climate control. First time poster here. My father’s 2003 Trailblazer EXT had a similar problem recently and the A/C low pressure switch (the one attached to the accumulator) was the culprit. Trailblazer HVAC often fails to direct airflow to floor vents due to actuator or blend door problems. Whining noise Speedometer and tach goofey 2008 Trailblazer StabiliTrak System 08 trailblazer brakes sticking 02 trailblazer rear heat problem. I keep messing with the climate control for that side and sometimes it will work Jan 10, 2016 · Had my battery unplugged/died/replaced over the weekend. paypal. Aug 17, 2025 · Chevrolet Trailblazer Chevrolet Trailblazer multi-system electrical failure affecting power windows, door locks, radio, and climate control - 70 reports. Climate control module is the brain of the air-conditioning system in your Chevy TrailBlazer, responsible for controlling all the components in the system. WhT could cause this fuse issues? Please help thanks Jan 14, 2025 · The most common reasons a Chevrolet Trailblazer AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. Jan 14, 2025 · The most common reasons a 2008 Chevrolet Trailblazer AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. Thanks for sharing those details. Use at your own risk. Mind you I have only owned this vehicle for 3 weeks and I’m normally a Toyota guy. Oct 16, 2008 · My battery went dead the other day, so I replaced it with a new one. I just bought mine a couple days ago and thought these problems were behind. You can do this by disconnecting the negative battery cable for about 30 seconds. Here is what is happening Having problems with the climate control of my Chevy Trailblazer 2006 EXT. For your security, please don’t include personal info such as phone number, address or credit card details. I recently bought a 2004 Trailblazer LT. The entertainment fuses are totally separate from HVAC, which are fused under the rear seat. If you would like to leave a donation here is a link https://www. No big deal, but not pleasing to the eye. Customer: I am experiencing a problem with the air conditioning in a 2007 Trailblazer. Any ideas? A/C Climate Control Switch For 02 2003 2004 2005 2006-2009 Chevrolet Trailblazer (For: 2004 Chevrolet Trailblazer) Brand New $94. I have noticed some intermittent problems with mode and temperature control. The ambient temperature is I have 5 speed controls for my heat and 14 dont blow out any heat but 5 blows out heat and Im wondering what is wrong with it. The issue may stem from a fault code and could be due to a bad wire or plug. Can someone please Climate Control Problem TrailBlazer | Trailblazer EXT Car Forums Mar 16, 2024 · Guys, I bought a new manual climate controller then sent it out to have blue LED’s installed got it back installed it in the truck and realized that when the passenger side control is on the coldest setting it is putting out heat. So, driving around a bit might resolve the problem. The TSB cancellation notice said if problem occurs, diagnose using information in SI (GM Service Information, aka the service manual). Anyone have this problem? Screen works, just no physical controls. Here I show you a possible solution for when you disconnect your battery and then your a/c now does no Recently my front vents stopped working on my vehicle. The blend door actuator (s) are typically located on the climate control case behind the dashboard. But the physical buttons for the hvac aren't working at all. My climate control unit has been acting up forma while. The air blows cold, but it is only coming out at the feet, side vents and defrost. Well, the unit came Jun 29, 2024 · Just picked up our RS and noticed the physical climate control buttons aren’t working except for the on/off. I"ve just had the sensor replaced by the dealer, but the problem persists. May 15, 2022 · I have a 2005 TB LT with electronic dual climate control. There is no power at the AC control module. 3K views 3 replies 2 participants last post by MWB_BigMike Mar 11, 2008 M Oct 20, 2023 · 2023 Trailblazer RS I just had my air recirculation actuator checked out today because I thought it wasn't working at all, I keep getting car fumes entering my Trailblazer when my air recirculation LED is ON? Turns out GMs climate control I was told, does not automatically extinguish the air recirculation LED when only the defroster is on like most other car brands do. If you find all of a sudden that you don't have full control of y The climate control screen on my TB went blank and none of the controls (AC, Rear defog, fan speed, temp controls, etc. Intermittent heating and cooling in the 2001 Trailblazer often result from a malfunctioning blend door actuator or faulty temperature Sep 18, 2015 · The AC/Heat system is one system, but the temperature control is divided for the driver and passengers sides. May 9, 2025 · I recently revived a sitting 02 tb ltz shes up and running and driving great problem is my auto climate control doesn't seem to work properly I have heat but no a/c(probably no freon in system will fill soon). , "climate control not working in Chevy XXX") and Im certain you will find some do-it-yourself videos that could fix the problem. Apr 26, 2025 · When working properly, it responds to your climate control settings by adjusting these doors. So I had a couple bulbs out in my hvac control unit and figured instead of sending mine out to have LEDs put in (or just replace the 2 bulbs) I'll just order up a new Dorman unit and plug it in. But when you say the AC doesn't work, you really mean the rear BLOWER doesn't run? If you get no display on the rear control module, are you sure it isn't a simple power/fuse problem? Do you have a meter and a bit of electrical troubleshooting experience? Apr 4, 2022 · Climate control module is the brain of the air-conditioning system in your Chevy TrailBlazer, responsible for controlling all the components in the system. Jan 14, 2025 · The most common reasons a 2022 Chevrolet Trailblazer AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. I have to get another A/C control Have no lights on the climate control panel and it's not working no fan or heat or AC. In rare cases, a fault in the climate control unit can cause the AC to stop cooling. g. It's possible your new battery's just not charged up to snuff yet. Sometimes it will stick at a temp 10-15 Feb 23, 2018 · Dorman's new 599-211XD climate control module is completely plug-and-play, requiring no setup procedure. Anyone have the same issue yet? 2022 RS Sep 12, 2023 · I recently purchased a 2004 trailblazer LS and I have some concerns with the rear climate control. If floor vents don’t blow air despite replacing foot pedal actuators, check the mode door actuator that directs air to floor vents. 13 people found this GM HVAC BLEND DOOR ACTUATOR RE-CALIBRATIONA simple procedure that may fix your heat and AC controls for free! Oct 12, 2010 · If that is the case and with the electronic tempature control it is most likely your blower motor control module, I had the same problem in my trailblazer over the summer. The touch screen options work though. Buy a refurbished 2003-2004 Chevy Trailblazer AC control module at Tanin Electronix. Simply install it and the new module automatically syncs with the vehicle. Jun 22, 2023 · While driving down the road ac working like it should then stops coming out of any vent can’t adjust speed or temp but can hear motor blowing somewhere. When I went to drive it, the HVAC acted up until the battery got fully charged. I've search and read quite a few posts/threads. If the fuse is blown, replace it with a new one and see if that fixes the problem. Jun 28, 2009 · A/C dual climate control problem Jump to Latest 17K views 3 replies 4 participants last post by Predateli Sep 1, 2013 N Aug 30, 2007 · Having a problem with the Climate Control on a 2002 Chevy Trailblazer-- Outside Temp semsor seems stuck at 50 degrees at times–Temp will also go down for no reason-- Eventually the A/C will blow cold air, even though the outside temp sensor is incorrect-- Help I have a 2002 chevy trailblazer and my problem is that it has the climate control for each side k, now it s winter ttime Mechanic's Assistant chat Customer: I have a 2002 vehicle, and I'm experiencing an issue with the climate control system. This truck has been very good to me, without many problems at all. Sep 15, 2010 · Chevrolet Trailblazer AC Blower Inop Due to Failed Resistor - 345 reports. Jan 5, 2025 · If your Hummer H₂’s climate control system isn’t working properly, the first thing you should do is check the fuse. Chevy Mechanic: Marcus I appreciate the information provided. 2L, Automatic Dual Zone Climate Control, all stock. May 18, 2016 · 2002 Trailblazer LS My blower just didn't come on one day, I checked all fuses, replaced the climate control unit, the blower resistor and checked all connections were good. The 2004 Trailblazer uses multiple HVAC door actuators controlling airflow direction. If I am driving down the road the heater or ac will work but at a stop nothing comes out the vent. I Apr 24, 2010 · I have a 07 3SS and the climate control quit working properly on me the other week. A common problem and I know I need to reset the CC now. I tried jiggling wires and unplugging the connector at the blower module and reconnecting it several My 2002 Chevy Trailblazer recently developed a problem with the climate control read out. Not exactly sure how to do this. Mar 7, 2011 · Climate Control Problems Jump to Latest 1. Vehicles with dual-zone climate control feature two distinct electronic actuators that regulate the temperatures for both the driver and passenger side vents. Aug 5, 2016 · The original solution for this one was to reset the HVAC Control Module by removing and re-installing the HVAC control module fuse (in rear fuse block under driver’s side rear seat). In this situation, I would suspect a problem with the blend door actuator for the driver side vents. I set the temperature to say, 21 C (70 F) and a few minutes later it starts to blow cold air. The climate control knob that selects which level you want is malfunctioning when I select feet When the driver side remains cold while the passenger side heats up, check the dual climate blend door actuators. When I use my heater which has climate control, the drivers side puts heat out, but the passengers side will work for a little while, then starts blowing out cold air. However, there are a few less common reasons as well. Now my issue is after all that it blows nothing on either heat or air conditioning. The fuse for the climate control system is located in the engine compartment. Has this May 20, 2012 · So after reading this thread (No floor vents - replaced mode actuator - rebuilt defrost actuator still nothing - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum) from the roadie, I started to understand the design flaws of the actuator which causes our issue. We have a 2002 Chevrolet Trailblazer with manual a/c controls and rear air conditioning. Mar 10, 2008 · Problems with Dual CLimate Control Jump to Latest 4. Did Mar 9, 2007 · I have the same problem as described with my 03, Envoy, with climate control. Mar 19, 2024 · I would probably take it to the dealer. Reply 1: Hey Bruce Yarnell, Do you have automatic Aug 3, 2016 · I second the pressure switch. This part matched a 2005 Trailblazer w/ Auto controls but they did not show anything for a 2006. 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. Additionally, some drivers have noted unusual Jun 6, 2011 · Climate control problem Jump to Latest 23K views 11 replies 4 participants last post by leon smalls Jul 14, 2016 X This is the ULTIMATE GUIDE to reset the Computer Controlled Climate Control Actuator System. The common problems with the 2008 Chevy Trailblazer include refrigerant leaks, electrical climate control issues, and problems with the air conditioning compressor. When i press any button, whether it be fan, mode, or temp it only blinks at me and does not allow me to change anything. After reading the postings, and checking the fuses, I believe it is the blower module. I just replaced the blower control module and everything was fine for several days and then went back to only running on the lowest speed again. A 2014 Chevrolet Trailblazer diesel is experiencing a climate control panel failure, with symptoms including weak heat and non-functional AC. Is there a temperature "blend" door or valve that would control May 8, 2010 · The speed control module is a solid state amplifier that gets a control signal from the rear HVAC control module. Here' How reliable is the 2023 Chevrolet Trailblazer? Explore all the popular car problems, read 26 complaints and 36 reviews from real 2023 Chevrolet Trailblazer owners. blowing cold air parts illustration for front differential right side Cruise Control temp not steady Funny noise from top of the engine Installing Gabriel Hijackers onto TB/Envoy performance issue mmm 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. it is u shaped around the gas pedal. i took some of the panels off and was going to replace the actuator but could not get a vent tube out of the way. My heater went out on my Trailblazer and wanted to know why and how to fix. Apr 12, 2008 · I thought it was the climate control assembly as well, so I replaced it for about $100 bucks. Hate to suggest a trip to the dealer, but you might be able to find a local mechanic who would work on this for less. Also, verify heater core condition and coolant levels Jan 30, 2025 · Many owners of the 2008 Chevrolet Trailblazer have reported issues with its air conditioning system, making it a common concern among drivers of this vehicle. ️A/C Vents: Not Working "FIX"06 Chevy Trailblaizer"🔥. Climate control problems are almost always expensive. Jan 22, 2012 · I researched potential problems on Trailvoy and Google and it seemed the potential problem was the Blower Motor Control Module. This seemed like the perfect place to get info on my 2004 Trailblazer Ext. Mechanic's Assistant: I understand your 2006 Trailblazer with the 4. The issue is the the temperature which shows up on the climate control read-out is about 10-15 degrees too high. I have successfully replaced the actuator twice using some online guides. A similar case was resolved by addressing a bad connection, suggesting that a professional diagnosis and repair, estimated at 95€, could effectively restore functionality. Sep 10, 2023 · Need help! We have a 2010 Cadillac CTS and the battery died so we replaced it and now the AC won’t work, the climate control panel appears to have no power, we have tried so many different trouble shooting options. Additionally, I have installed a new compressor and drier. It will work on any knob using a potentiometer. Chevy TrailBlazer – (photo by Chevrolet) The most common causes that hinders normal operation of air May 25, 2013 · Hey all, two days ago I removed my aeroforce gauge from the dash, unplugged the cable from the PCM, and then pulled the cable out from under the dash with little resistance. In this video I’ll tell you how to diagnose the issue and we will do another video on how to fix it. I've tried to re-calibrate by taking out the fuse, waiting a couple minutes, putting the fuse back in, turning the car to run, letting it go through its motions, but that didn't work. Passenger is blowing but wont change temp. I have replaced the Dec 23, 2019 · This trick is not limited to Chevy vehicles. The climate control panel does not light up and there is no power for heat, AC defog, etc. In rare cases, a fault in the climate control unit can cause the heater to stop functioning. If you electronically Savvy you can repair your module or buy a new one. Mar 11, 2011 · 2006 trailblazer lt I have the problem of no air out of the forward facing vent in the front dash. I decided to swap an A/C actuator to see if it would fix the problem, it did not. IMO it's not really a necessity to have so it wasn't a priority. thank you. When it is on the hottest setting it is putting out cold AC Jun 2, 2016 · Especially considering the AC system not turning the compressor on is commonly caused by any problems ranging from the fusebox itself, the AC controller module, relays, pressure sensors, temperature sensors, compressor, clutch, Freon leaks etc We would like to show you a description here but the site won’t allow us. I have a 2002 trailblazer with duel control drivers side works,when set to blow warm air, passenager side set at same temp blows cold air, as does the rearseat control any one have this problem please help. Even when the climate is off, pushing something like the auto button fires up the climate control system. 1) the easiest, I tried the "fuse" method several times I hear Sep 29, 2011 · If it has dual climate control, there are 4 actuators on the trailblazer 1 is for the blend door on the driver side - this controls the temperature on the drivers side by positioning a door which controls the percentage of hot air vs cold air coming through the ducts Jun 24, 2008 · However, try You Tube and put in precisely the problem (e. My blower fan only runs on the lowest speed even if you try to increase the speed. Jan 28, 2019 · Hi folks, I have the common problem of my HVAC mode actuator failing after a dead battery or battery disconnect. How do I replace the vent actuators? Customer: I have a 2006 Trailblazer 4. comContent blocked Please turn off your ad blocker. Initially, the problem was that Mar 20, 2012 · 2004 TrailBlazer LT, 124K miles, 4. Is there a Jan 21, 2010 · Hello all. See full list on smartacsolutions. jdzbunmam mdivg var wujfs cymcg ybjozgj kwuue tbwi jmwo podv