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Discussion Starter #1
I see that someone posted a problem similar to mine a couple of years ago, but there wasn't a solid answer, so I'm hoping enough time has gone by to understand my issue... ready? Here goes:


I got a notice from Chrysler about the clockspring issue. I wasn't having any problem with it. But two weeks later, my horn went out.

I have a 2013 Wrangler with 25,000 miles. Took it into the shop and at first they said it was the horn switch, and it would cost $230. Five minutes later, the service manager came back and said that it wasn't the horn switch, but the cruise control switch, and that the repair cost would be about the same. Also told me that the horn and cruise were connected. I've never heard of this. I asked the dealership about this and they said that the clockspring had nothing to do with my problem. They said the cruise control switch was the issue.

Here's what my service order says: "Customer states that the horn is not blowing. Found code B2339 horn switch stuck. Active actuate the horns through diagnostics. Found that the cruise control switch is bad. Horn will blow when opening the door. Replaced the cruise control switch."
Not even sure what he was trying to say, but it still doesnt make sense to me.


Then I got this back from Chrysler:


I called the Dutch Miller Chrysler Dodge Jeep dealership and spoke
with Shelly in services. Shelly informed that the B2339 code is related
to the issue with the horn. Shelly further informed me that on your
vehicle steering wheel the cruise control and horn are linked to each
other.

For any further information required I recommend to kindly contact
Shelly directly or the Dealer service department directly as they are
the best resource for addressing your concern.


So... does anyone have any ideas about this? Thanks!
 

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I did a little studying of the wiring diagrams for the 2008, 2011, and 2012 JKs.

It appears to me, starting in 2011, the horn switch wires go through the speed control switch before going through the clock spring.

The 2008 diagram shows the horn switch wires going directly to the clock spring.
There are some other differences, but this likely explains the dealer's idea the speed control switch could be a factor on your 2013 JK.
 

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Discussion Starter #3
Thanks! At least that clears up the question of the horn vs the cruise control. (although why they did it that way...) Have any idea what that code means?
 
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