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      11-08-2013, 04:31 PM   #1
kylek13
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Rear air fan problem

Rear air keeps going on full blast then off every 10 seconds or so, can't figure out how to stop it. Anyone heard of this or know what's going on maybe?
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      11-08-2013, 09:40 PM   #2
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Turn sync on?
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      11-08-2013, 09:58 PM   #3
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What you describe has only happened once to me - and I didn't think it was the rear fan either but now I'm not sure as it was a short trip...but I noticed it doing the full fan thing every few seconds. Hasn't done it since so I kinda forgot til you mentioned.
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      11-09-2013, 05:52 AM   #4
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Quote:
Originally Posted by bobafettt View Post
Turn sync on?
NO turn it off, and then turn off the rear A/C from the rear consul.
Then select "SYNC ON" and see what temp is showing on the rear display, it should match the front, if it does then see how that goes, if NOT it needs replacing.
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      11-09-2013, 02:13 PM   #5
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Samething has happened to me. I turned the rear ac off and problem was fixed afterwards.
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      11-09-2013, 08:55 PM   #6
kylek13
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I got in the rear seat and turned it off, seems fine....what is the sync button?
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      11-09-2013, 09:06 PM   #7
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Sync on the dash makes all climate zones the driver's temperature
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      11-09-2013, 09:43 PM   #8
kylek13
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does the button say sync or is it a symbol...thx for replies, will check next time i drive car...
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      11-09-2013, 10:13 PM   #9
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Sync is new for model year 14....
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      11-09-2013, 10:43 PM   #10
kylek13
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Hmm well if anyone else has intermittent rear fan going full blast and off intermittently pm me if you know what might cause that.
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      11-10-2013, 03:42 AM   #11
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Quote:
Originally Posted by Linsanity88 View Post
Samething has happened to me. I turned the rear ac off and problem was fixed afterwards.
So like I said "it has a fault".
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      01-06-2014, 09:53 AM   #12
emfive
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what happens if you turn AC rear back to on? does the fan problem happen again? If not them perhaps whatever initially caused it is now cleared.

I had this happen to me this morning too. Very weird...
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      01-06-2014, 02:52 PM   #13
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Quote:
Originally Posted by B-1 Pilot
Sync is new for model year 14....
I have it on my 2013. I don't remember the name or logo on the button, but all vents (front+rear) match the driver setting.

This is why I don't use it. I keep the rear AC off all the time unless someone is sitting there.
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      11-03-2014, 08:56 AM   #14
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This happened to me last night. Was pretty annoying since it is fairly loud. I turned the rear system to off then turned the car off. Came back in a bit and put it back on and in sync and it went away. Odd.
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      12-21-2014, 02:06 AM   #15
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Mine was all along in sync

It happened while in sync and turned it off still came back
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      10-15-2019, 08:31 PM   #16
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Anyone ever get a remedy to this? Mine did this today. It’s freaky.
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      10-17-2019, 03:54 PM   #17
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Under settings / climate you should see "rear climate" . Uncheck the box and the rear should be completely off and the rear control panel dark. Note that pressing "sync" button will turn it back on so you can't use that if you want the rear to remain off.

If it still runs than definitely something badly wrong like defective module. With it on, if you see the bar graph for the selected speed going up and down then maybe the fan selector button is bad and you need a new panel. Most likely in all cases is a bad module.

If you have ista+ you can investigate what it thinks it is being told to do but you are probably just better off going to a good Indy non-dealer shop and see if they can diagnose it for you.
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      10-17-2019, 07:42 PM   #18
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If any one needs a new rear module - let me know as I have a spare one when I switched to ceramics...
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