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Old 11-17-2014, 09:09 PM
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Floor Heat Not Completely Directed to Floor / Cold Feet

Hello. My 2014 Grand Cherokee refuses to direct all of the heat to the lower floor vents when I set the climate manually to the floor (Down arrow only). No matter how many times I try I still feel a significant amount of heat coming from the side vent and the defrost.dash vents. It is getting cold here in Illinois and this is the first time I have seriously used the heat in the Jeep. I tried directing the heat completely to the floor as my feet were not getting warm. It seems as though I am not getting a lot of heat coming through the lower vents. Is anyone else experiencing this problem, or can someone test in their 2014 Grand Cherokee? I have the Summit model if that matters. Thanks everyone.

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Old 11-17-2014, 09:16 PM
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Re: Floor Heat Not Completely Directed to Floor / Cold Feet

In all honesty, none of the Jeeps I've owned have ever directed an adequate amount of heat to the floor... especially on the drivers side.

With that said, my 14 seems to be a little better at it than the others. At least my toes don't feel as cold. I run mine on auto and I do get a very slight amount of heat through the defroster and dash vents. I think that is somewhat normal for this particular system.

The temp was 15 when I got off work this afternoon. I felt that the system was doing it's job. By tomorrow morning it's supposed to be between 0 and 6. Last winter I was hitting -25 to -30 air temps on my morning commute and I felt warm enough. The heated seats and steering wheel help alot.
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Old 11-17-2014, 09:22 PM
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Re: Floor Heat Not Completely Directed to Floor / Cold Feet

Thank you for the reply. I am still not convinced I do not have a issue as the amount of heat that comes through the side vent is significant enough that I have to direct it away or close it.
Since you brought up the heated seats.... I am definitely not happy with the amount of heat they produce or the amount of time it takes to heat them up, but I have seen other posts commenting on the same.
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Old 11-17-2014, 09:36 PM
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Re: Floor Heat Not Completely Directed to Floor / Cold Feet

I believe there's a TSB out for flashing the module that controls the HVAC. You may want to ask your dealer's service department the next time you're in. You can also look through the TSB and recall list over on wk2jeeps.com.

Both my heated seats and wheel work great. Never had an issue with either. They seem to warm up in a reasonable amount of time (the wheel much faster than the seats) but I usually don't run with them on for more than 10-15 minutes.
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Old 11-18-2014, 09:37 AM
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I have the same issue... is this TSB new since last February? When I complained they told me it was normal. Yeah, no that is NOT normal.
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Old 11-18-2014, 12:53 PM
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Re: Floor Heat Not Completely Directed to Floor / Cold Feet

Our Jeep did the same thing, and it drove me nuts. There's air coming from the side vent, and I'd be hot on top, but my legs and feet would be cold. Now, our new Durango does the same darn thing. I close the side vent, and that at least prevents the hot air from blowing out of there, but legs still cold. My 200 doesn't do this. Neither did my Ram. Why is it only a trait of this platform?
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Old 11-18-2014, 01:19 PM
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Re: Floor Heat Not Completely Directed to Floor / Cold Feet

I have the same issue. My feet are somewhat warm but my ankles and the back of my legs are still cold. I didn't do anything about it last year but will address it now. If you put your hand under the seat, you will feel a distinct temp difference between the pedal area and under the seat. I haven't looked to see if there is a vent under there yet but I think cold air is radiating out of the large opening in the floor that has a thin cover on it. I though about either insulating that area or hanging some sort of fabric off the front of the seat to keep the cold air out of the pedal area. I'll mess with it this weekend.
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Old 11-18-2014, 08:31 PM
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Re: Floor Heat Not Completely Directed to Floor / Cold Feet

Quote:
Originally Posted by lectricman View Post
I have the same issue. My feet are somewhat warm but my ankles and the back of my legs are still cold. I didn't do anything about it last year but will address it now. If you put your hand under the seat, you will feel a distinct temp difference between the pedal area and under the seat. I haven't looked to see if there is a vent under there yet but I think cold air is radiating out of the large opening in the floor that has a thin cover on it. I though about either insulating that area or hanging some sort of fabric off the front of the seat to keep the cold air out of the pedal area. I'll mess with it this weekend.

Let us know what you find out as this does not seem to be an isolated problem. I agree with the others that have posted; significant difference between the temp from my waist up and can not direct the heat I need down to my legs and feet. I'll have to take a ride on the passenger side to see if the same issue exists on that side.
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Old 11-18-2014, 08:43 PM
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Re: Floor Heat Not Completely Directed to Floor / Cold Feet

Do you have the rear seat heat vents at the rear of the console open or closed? I keep mine closed as nobody's sitting back there anyway. See if that changes anything for you.
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Old 11-18-2014, 09:04 PM
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Re: Floor Heat Not Completely Directed to Floor / Cold Feet

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Originally Posted by MDBones View Post
Do you have the rear seat heat vents at the rear of the console open or closed? I keep mine closed as nobody's sitting back there anyway. See if that changes anything for you.
Mine are open as I have a little one that sits in the back, but I can give this a try to see if it makes a difference. Also, I spoke to a co-worker today who has a 2014 Summit and she is experiencing the same thing and though it was/is a defect as well.

Anyone know if the 2015 has the same issues?
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Old 11-19-2014, 09:10 AM
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Re: Floor Heat Not Completely Directed to Floor / Cold Feet

On the drive into the mines this (chilly) morning, it seemed like there isn't enough fan speed in auto mode.. I manually bumped up the fan and my feet and nose warmed right up...
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Old 11-19-2014, 07:20 PM
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Re: Floor Heat Not Completely Directed to Floor / Cold Feet

Quote:
Originally Posted by tomk View Post
On the drive into the mines this (chilly) morning, it seemed like there isn't enough fan speed in auto mode.. I manually bumped up the fan and my feet and nose warmed right up...
There is a flash update to the HVAC module for this particular problem. I had the same problem and that solved it.
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