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** Resolved ** AC air flow issue

B

blkcat2016

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#1
Hi ALL,

Need some suggestions. AC issue recently started with my 2016 Charger. With auto mode at the lowest temp settings and both side synched, airflow is high on all vents and cold. The second I adjust the temp from low to 60 the air flow drops to a trickle on all vents. If I go back to low it’s back on full force. Doing some troubleshooting, if I unsynch and adjust the passenger side temp to 60 or higher air flow on all vents are the same and strong, It’s only when I adjust the driver side air from low to 60 air flow becomes a slow trickle. Search this forum but mostly getting hits for the blend door being root cause with the passenger side air blowing warm. Any suggestions before a make a trip to the dealership? Thanks.

note: all ac controls work fine when not In auto.
 


Hunter

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#2
blkcat2016 said:
Hi ALL,

Need some suggestions. AC issue recently started with my 2016 Charger. With auto mode at the lowest temp settings and both side synched, airflow is high on all vents and cold. The second I adjust the temp from low to 60 the air flow drops to a trickle on all vents. If I go back to low it’s back on full force. Doing some troubleshooting, if I unsynch and adjust the passenger side temp to 60 or higher air flow on all vents are the same and strong, It’s only when I adjust the driver side air from low to 60 air flow becomes a slow trickle. Search this forum but mostly getting hits for the blend door being root cause with the passenger side air blowing warm. Any suggestions before a make a trip to the dealership? Thanks.

note: all ac controls work fine when not In auto.
Click to expand...
Well, your last statement ruined my thoughts.
I was going to ask what happened with it set on auto.
I'm sure someone here might have some inputs.
 


Diboblo

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Check your humidity sensor.

If it fails, it sets a code, but not a light. You will need a scan tool.

This sensor is central to climate ops and when it goes bad (depending on how it fails), it causes all kinds of quirky behavior.

Had to replace mine about 3 years ago. No problems, since.



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Last edited:
OP
B

blkcat2016

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Thread Starter #4
Diboblo said:
Check your humidity sensor.

If it fails, it sets a code, but not a light. You will need a scan tool.

This sensor is central to climate ops and when it goes bad (depending on how it fails), it causes all kinds of quirky behavior.

Had to replace mine about 3 years ago. No problems, since.



Sent from my SM-G666 using Tapatalk
Click to expand...
Thanks Diboblo, I have couple of scan tools and will check. Is that sensor located on the windshield near the rear view mirror?
 


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#5
blkcat2016 said:
Thanks Diboblo, I have couple of scan tools and will check. Is that sensor located on the windshield near the rear view mirror?
Click to expand...

I think it's down in the box under the dash??

See below
 


Last edited:
Diboblo

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blkcat2016 said:
Thanks Diboblo, I have couple of scan tools and will check. Is that sensor located on the windshield near the rear view mirror?
Click to expand...
Yes

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Diboblo

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#7


68440808AA



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OP
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blkcat2016

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Thread Starter #8
Perfect, thanks.
 


OP
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blkcat2016

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Thread Starter #9
Diboblo said:


68440808AA



Sent from my SM-G666 using Tapatalk
Click to expand...
Thanks Diboblo, the new humidity sensor did the trick.
 


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