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Old 08-19-2015, 06:04 PM
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2011 keyless issues/squealing noise

Hi everyone! Hoping I can get some help today, between the wife and I we own 2011 Challenger and a 2011 Wk2 limited.

The WK2 is developing a really annoying keyless issue happening maybe 1 out of 5 start ups of key not detected, once that happens...pressing lock/unlock on the fob..open/close doors/ hit the start button 80 times/ stand on your head, sell your soul and then it starts up.. Challenger not once has that happened yet. thats problem one..

Secondly both cars are 3.6 and both have the identical squeal upon start up after it rains or somewhat damp/cold.. Ive talked to a guy at the dealership and he has heard of tensioner squealing on the wk2s when really cold but never happening on the challengers...which is odd to me becuase its identical sound on both..

hope anyone can help..thanks ahead

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Old 08-21-2015, 01:49 PM
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Re: 2011 keyless issues/squealing noise

wow nothing at all here?
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Old 08-21-2015, 02:53 PM
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Re: 2011 keyless issues/squealing noise

Not sure about the belt...

Have you had the tipm recall done?
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Old 08-21-2015, 03:09 PM
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Re: 2011 keyless issues/squealing noise

I noticed the Key Not Detected message as well on my 2011. I think it essentially went away after I replaced the battery in the FOB. I have noticed a few random times since and I also noticed if you press lock/unlock on FOB, it seems to 'reset' and all is good again. Battery replacement did seem to reduce the issue though so i was thinking perhaps the battery is already low on signal again, but it did act up one time only a few months after battery replacement, so i would be surprised if battery strength that quickly drained... i would support assumption there could be something else at play here. I have no other solution for you on that. Also, have not noticed the squeal so cant assist on that.
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Old 08-21-2015, 03:28 PM
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Re: 2011 keyless issues/squealing noise

Isn't there a tsb to do with the fob antenna on our years???

I have been locked out my jeep twice now over the 3+ years I have owned it, fob wouldn't do anything, had to use the key to get in... of course alarm went off...
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Old 08-21-2015, 04:06 PM
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Re: 2011 keyless issues/squealing noise

Quote:
Originally Posted by eugene3524 View Post
Secondly both cars are 3.6 and both have the identical squeal upon start up after it rains or somewhat damp/cold.. Ive talked to a guy at the dealership and he has heard of tensioner squealing on the wk2s when really cold but never happening on the challengers...which is odd to me becuase its identical sound on both..

hope anyone can help..thanks ahead
Just for kicks, next time the conditions repeat themselves, try moving the steering wheel back and forth at least a half a turn each way and see if the squeal changes or stops. Another thing to check is to turn the climate controls fully off to see if that does the trick.

I think your dealer is on the right track, but I'm not sure it's the tensioner.

Another thing to try would be, on a day where it's likely to happen, have someone start the vehicle while you poke your head under the hood and watch the pullies on the serpentine belt. That will let you see which ones are engaging when you hear the sound.
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Old 08-21-2015, 08:18 PM
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Re: 2011 keyless issues/squealing noise

Re: squeal .. search the forum as I remember something on this issue a long time ago. Not sure but might have been water pump or a/c.
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