Why does my GMC climate control switch to heating?

Why would the GMC climate control (dual control) on the driver’s side suddenly switch from air conditioning to heating on a 2004 Sierra 1500. The most common cause for this to happen is an issue with the driver’s side temperature actuator.

Where is the actuator on the GMC climate control?

If it loses its internal setting it can jump from hot to cold on its own or even go to heating when cooling is set. If this is the cause the actuator will need to be replaced. The actuator is located under the dashboard on the bottom of the heater box on the passenger side.

Are there any recalls on GMC climate control?

GMC has issued a recall for fans that will not shut off. This is the reference: The dealer should be contacted for free repair. Another reason for this to happen is a defective blower resistor. It is located next to the blower under the right side of the dashboard.

How much does it cost to replace climate control on 2005 GMC Envoy?

The actuator should cost about $200 and replacement will require 0.6 hours of labor. If a 2005 GMC Envoy is fitted with dual GMC climate control but the driver’s side does not provide heat, will rebooting the system or resetting the actuators fix the problem? A reboot may work.

Why is my Yukon XL air blowing hot?

I have a 2005 Yukon XL and the drivers side air is blowing HOT (independent of what the climate control is set to) while the passenger side is blowing the correct temperature! I read up that this could possibly be caused by a faulty (or stuck) blend door actuator, but I’ve read conflicting posts on where this actuator could be located.

Where is the actuator on a GMC Yukon?

The actuator on bottom is fairly easy to get too, the one on top you have to take the dash apart. Their are some write-ups around the web if you do some google searches. You can also install a heater-treater (which I did) that will do away with the top actuator and also the separate temp settings.

What’s the problem with dual heat control in a Chevy Silverado?

I have dual heat control for driver and passenger. Problem is my side blows heat all the time regardless of setting. You can turn the temperature on both to coolest setting. You reach across and feel the air coming from the vent on the passenger side its cool. The drivers side is screaming hot.

Where is the climate control on a Chevy Silverado?

I’ve replaced the blower motor (passenger side underneath dash), resistor (behind the glove compartment), and checked ALL fuses left of driver and under the hood, and still the blower motor does not run. A/C comes on but no air from any of the vents on any settings, heat, a/c, defrost, floor, vents, or combination.

Why does my GMC Sierra get cold air instead of heat?

Air suddenly starts blowing heat instead of cold air. I have to turn the engine off and on to correct it, but it is getting worse. Dual zone climate control module only get heat at the highest setting. when you set it to a lower setting by 1 degree it goes cold. I changed the module and one actuator.

How to replace air temperature control 00-13 Chevy?

Once you remove those bolts, just reach in, kind of pull it down and out of the way. The actuator is right down here. It’s held in with two bolts, they’re 7/32s. One of them is right over here. The other one’s on the opposite side.

Why does my GMC air conditioner not shut off?

The air conditioner fan on a 2003 Denali fitted with auto GMC climate control will not shut off even with the ignition off and the key out. What is the reason and what can be done to fix it? GMC has issued a recall for fans that will not shut off.

Where is the actuator on a 2004 Yukon?

The one above the drivers pedal controls where it comes out only. the one pictured is the one for the drivers side. The center console you can work around. There is a single screw under then under the edge that is 7mm like the read and a deep 1/4 socket will remove it. Then the actuator you can get out as well, but with a shallow 5.5mm.

Is there an issue with my dual climate controls?

My 2004 2500HD with dual climate controls (manual) has an issue. No matter where I put the slide selector, I get full hot heat. Yesterday was 70 degrees and obviously it was extremely noticable. I thought I had noticed something this winter but it was intermittent.

Is there a problem with my GMC dual climate control heater?

’04 GMC Dual Climate control heater issue | The largest community for snow plowing and ice management professionals. Find discussions on weather, plowing equipment and tips for growing your business. My 2004 2500HD with dual climate controls (manual) has an issue.

What should I do if my GMC climate control does not work?

After starting none of the GMC climate control functions should be used for two minutes. If this does not work the actuators should be removed to see if the temperature door shafts can be turned by hand to provide heat on the driver’s side. If this produces results, the actuators will need replacement.

Why does my GMC A / C heater jump from hot to cold?

This is an electrical component in the GMC climate control system that controls the hot/cold functions of the heater and the a/c heater box. If it loses its internal setting it can jump from hot to cold on its own or even go to heating when cooling is set. If this is the cause the actuator will need to be replaced.

How does the climate control work on a Chevy Silverado?

The climate control system in the All-New Silverado is as easy as setting your thermostat at home. Automatic climate control allows you to put airflow exactly where you need it, and an available touchscreen climate application makes operation simple. Learn more about Silverado here: https://www.chevrolet.com/trucks/silv…

What are the features of a GMC Sierra 1500?

You can also stretch out with Sierra crew cab’s class-leading expansive front head and leg room. The Sierra 1500 is engineered to help keep road noises outside for a quiet, comfortable ride with superior sound-absorbing technology in the dash and carpet, and inlaid, triple-sealed doors.

What kind of storage does a GMC Sierra have?

Available rear seatback storage includes two compartments inside the rear outboard seatbacks, perfect for stowing tablets, umbrellas or charging cords. Available rear under-seat storage perfect for storing shoes, sports equipment or on-the-go tools.

What are the temperature settings on a GMC Sierra Classic?

Press the button to cycle through the temperature settings of high, medium and low and to turn the heated seat off. Indicator lights will come on to designate the level of heat selected: three for high, two for medium, and one for low. 11

What kind of engine does a GMC SLE have?

The steering wheel gets upgraded to a leather wrapped version, with cruise and audio controls, and the SLE trim comes standard with remote keyless entry. This high-end trim builds on the SLE trim, with some major changes available as options. The engine is upgraded to a 5.3L V8, with an available 6.2L V8.

What is the owner manual for a 2013 GMC Sierra?

Instrument Panel Instrument Panel (Base/Uplevel Version) GMC Sierra Owner Manual – 2013 – crc – 8/14/12 Black plate (3,1) In Brief 1-3 A.Air Vents on page 8‑10. B. Turn and Lane‐Change Lever. SeeTurn and Lane-Change Signals on page 6‑5.

What kind of heater does a Chevy 1500 have?

I have a 1992 chevy 1500 4.3l 2wd. Went out to start the truck and the heater controls were black wont come on no heat or ac. I have checked the fuses all good I have also put two new controls in and nothing.

Where are the vents on my GMC Sierra?

No output on dash face vents or defrost vents but floor works ok. I have tried the pulling the fuses both under hood and left of dash but that did not fix my problem.

Is there issue with auto climate control not changing from vent to vent?

Has anyone had an issue with the auto climate control not changing from vent to vent? Re: Fan Only Blows Defrost, Won’t Change To Floor Or Vent. Pull the negative battery cable and re-install, making sure it is very tight (also check the positive to make sure it is tight). See if this fixes the problem.

What is the temperature control on a GMC CK truck?

Power is routed back out to Pin 7 through a 3.8 ohm resistor and the Max AC switch, but on a 1500 truck Pin 7 is not used. The Blend (temperature) door control is powered directly from +12V via Pin 5.

What kind of climate controls does a GMC have?

You are currently viewing GMC.com (United States). Close this window to stay here or choose another country to see vehicles and services specific to your location. Your GMC is equipped with climate controls that allow you and your passengers to stay comfortable – whether you’re braving the heat of summer or the chill of winter.

How do I reset the climate control on my car?

Ignition off, pull the HVAC/ECAS fuse for 10 seconds, reinstall and start vehicle without touching any controls, wait 40 seconds for the control module to self calibrate. If there is still a problem, the actuator for the temp blend door may have failed. Scan the HVAC for codes. Re: Resetting Climate Control?

What to do if your climate control has failed?

What kind of engine does GMC Sierra have?

The weight of passengers, cargo and options or accessories may reduce the amount you can tow. Sierra’s 12,500-lb rating requires Sierra Double Cab or Crew Cab Short box 2wd with 6.2L EcoTec3 V8 engine and NHT Max Trailering Package.

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