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AC button always turned on?

mookdoc6

By mookdoc6
in Troubleshooting & Recalls

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mookdoc6 Senior Enthusiast

mookdoc6

Posted
Posted

I might be an idiot but......Every time I start my truck and roll the HVAC button to the right to turn On it immediately turns the AC on? Even if you push it in to start the HAVAC the AC turns on? Truck has dual climate zones etc. I am hopping it's something I am doing and do not have to take to dealer!!! Thanks people I appreciate the help!

15 Z71 Senior Enthusiast

15 Z71

Posted
Posted

No it just how they are. I use to wonder same thing,I guess its normal. I leave mine set on auto at 73 and my A/C button is always on. I use to turn it off, now I just leave it. Seems to be fine.

OldBlue61 Enthusiast

OldBlue61

Posted
Posted

Also, just because it's on doesn't mean the compressor is running. It just means that it is powered, so it could turn on if conditions (air temp, humidity, etc) warrant it.

A.J. Curtis Enthusiast

A.J. Curtis

Posted
Posted

There is nothing wrong with your truck.

 

If you hit the Recirculation air button "HVAC" or the "auto" button the AC turns on automatically. You can get more details on pages 8-5 to 8-7 of your owners manual.

 

@ "(Recirculation/HVAC): Press to turn on recirculation. An indicator light comes on. Air is recirculated to quickly cool the inside of the vehicle. It can also be used to help reduce outside air and odors that enter the vehicle. The air conditioning compressor also comes on when this mode is activated"

 

@ "(AUTO) Automatic Operation The system automatically controls the fan speed, air delivery, air conditioning, and recirculation in order to heat or cool the vehicle to the desired temperature. When the indicator light is on, the system is in full automatic operation. If the air delivery mode or fan setting is manually adjusted, the auto indicator turns off and displays will show the selected settings. To place the system in automatic mode: 1. Press AUTO. 2. Set the driver and passenger temperature. To find your comfort setting, start with 22°C (72°F) and allow the system time to stabilize. Then adjust the temperature as needed for best comfort. To improve fuel efficiency and to cool the vehicle faster, recirculation may be automatically selected in warm weather. The recirculation light will not come on when automatically controlled. Press @ to manually select recirculation; press it again to select outside air. Do not cover the solar sensor on the top of the instrument panel near the windshield. This sensor regulates air temperature based on sun load. See “Sensors” later in this section."

 

Hope that helps. :cheers:

mookdoc6 Senior Enthusiast

mookdoc6

Posted
  • Author
Posted

Great Thanks people! I thought I would ask here because the Dealer probably would not know anyway! LOL

mookdoc6 Senior Enthusiast

mookdoc6

Posted
  • Author
Posted

There is nothing wrong with your truck.

 

If you hit the Recirculation air button "HVAC" or the "auto" button the AC turns on automatically. You can get more details on pages 8-5 to 8-7 of your owners manual.

 

@ "(Recirculation/HVAC): Press to turn on recirculation. An indicator light comes on. Air is recirculated to quickly cool the inside of the vehicle. It can also be used to help reduce outside air and odors that enter the vehicle. The air conditioning compressor also comes on when this mode is activated"

 

@ "(AUTO) Automatic Operation The system automatically controls the fan speed, air delivery, air conditioning, and recirculation in order to heat or cool the vehicle to the desired temperature. When the indicator light is on, the system is in full automatic operation. If the air delivery mode or fan setting is manually adjusted, the auto indicator turns off and displays will show the selected settings. To place the system in automatic mode: 1. Press AUTO. 2. Set the driver and passenger temperature. To find your comfort setting, start with 22°C (72°F) and allow the system time to stabilize. Then adjust the temperature as needed for best comfort. To improve fuel efficiency and to cool the vehicle faster, recirculation may be automatically selected in warm weather. The recirculation light will not come on when automatically controlled. Press @ to manually select recirculation; press it again to select outside air. Do not cover the solar sensor on the top of the instrument panel near the windshield. This sensor regulates air temperature based on sun load. See “Sensors” later in this section."

 

Hope that helps. :cheers:

 

Thanks great help! I guess the DASH PAD sliding around is no help for me either. LOL

mookdoc6 Senior Enthusiast

mookdoc6

Posted
  • Author
Posted

Also, just because it's on doesn't mean the compressor is running. It just means that it is powered, so it could turn on if conditions (air temp, humidity, etc) warrant it.

I don't know every time it engages the and the light comes on I can feel the Electrical "Draw" telling me the compressor is running again!

BigBadSierra Senior Enthusiast

BigBadSierra

Posted
Posted

Using the Auto setting is the best way of keeping the windows from fogging up.

 

It is not hurting anything if it was running the AC it would freeze up in the winter and that never happens.

  • 2 years later...
acinquegrana Enthusiast

acinquegrana

Posted
Posted
On 12/8/2016 at 9:03 AM, mookdoc6 said:

I don't know every time it engages the and the light comes on I can feel the Electrical "Draw" telling me the compressor is running again!

Agreed. I have to shut mine off every time. I find it really annoying. I also find with these particular trucks (2014-2019) its a real struggle to keep the windows from fogging when its cold. The defroster always has to be on... Never had to on my older trucks. Also.... Sometimes I will get the smell of dampness when I get into the truck after I auto start it. I changed the cabin filter too and still a hint of it sometimes. 

SkiDooNick700 Enthusiast

SkiDooNick700

Posted
Posted
23 hours ago, acinquegrana said:

Agreed. I have to shut mine off every time. I find it really annoying. I also find with these particular trucks (2014-2019) its a real struggle to keep the windows from fogging when its cold. The defroster always has to be on... Never had to on my older trucks. Also.... Sometimes I will get the smell of dampness when I get into the truck after I auto start it. I changed the cabin filter too and still a hint of it sometimes. 

 

I have the opposite experience to you.  In the winter time I generally leave the fan on with AC button turned off with the split vent on (face, floor).  I always leave the fan speed on at least the lowest speed so that way I don't ever have to turn the system back on and have to turn off the AC.  I don;t have any fogging issues unless its raining, even then, I don't always fog.  Like today was about 40F and rainy on my way home from work, no fogging.  I keep the temp at approx 71. 

 

I find when I run the defroster (AC is on) I have to bump the temp up to 74/75 to feel the same comfort level as having the AC off at 71.

JimCost2014 Senior Enthusiast

JimCost2014

Posted
Posted
1 hour ago, SkiDooNick700 said:

 

I have the opposite experience to you.  In the winter time I generally leave the fan on with AC button turned off with the split vent on (face, floor).  I always leave the fan speed on at least the lowest speed so that way I don't ever have to turn the system back on and have to turn off the AC.  I don;t have any fogging issues unless its raining, even then, I don't always fog.  Like today was about 40F and rainy on my way home from work, no fogging.  I keep the temp at approx 71. 

 

I find when I run the defroster (AC is on) I have to bump the temp up to 74/75 to feel the same comfort level as having the AC off at 71.

The floor/windshield is one of the settings where the AC pump/condenser does run, the AC light just does not come on.

SkiDooNick700 Enthusiast

SkiDooNick700

Posted
Posted
24 minutes ago, JimCost2014 said:

The floor/windshield is one of the settings where the AC pump/condenser does run, the AC light just does not come on.

Correct.  I dont use that setting unless I'm fogging up or its snowing. 

 

I think if you do just floor,  the AC still turns on.  Can anyone confirm? 

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