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Horn won't -ever- honk.

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#22 ·
nweed said:
So we finally got the whole thing fixed. Ended up with a new horn and a flashed computer.

Apparently if you pound on the keyfob enough you can short the settings for the horn on the computer which requires a reset. And then because the computer has been trying to continously honk the horn the horn can short out.

BLEH!
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Huh... thats interesting. Thanks for the heads up!
 
#24 ·
I am having the no horn issue. I noticed it had stopped working when locking using the key fob but never thought anything of it. Then today I was getting cut off and I had no horn- had to resort to the finger. The manual doesnt even show which fuse is for the horn- does anyone know?
 
#25 ·
If the manual doesn't show a fuse, then there isn't one - a lot of electronics in the Patriot are controlled directly by the computer, if it reads a fault it stops electrical current from going to that part until the fault code is reset.
 
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#26 ·
So its been in at the dealer for 2 days and at least 1 more. There is no fuse for the horn. They replaced some sort of power control unit. Now they are replacing the horn- replacement of the unit alone did not resolve the issue. I think this no fuse business could really turn out to be a pain in the rear over the long haul- who wants to replace a horn and control module every time something little goes wrong that a fuse could have prevented?
 
Discussion starter · #27 ·
Good luck on the horn issue, mine still works fine and I was able to reproduce the problem on a friends patriot as well a few months ago. Basicly you need computer reset (flash) and if it has been a few days since the problem started you'll need a new horn because the current one won't work as the wire connections to it will have fused due to constant current being dumped to it by the computer.

(oh and my best friend won't let me mess with his cars anymore).
 
#29 ·
jepstr67 said:
Are you sure the horn doesn't honk? It isn't very loud. :D

Somewhere on the list there is a process to reset the computer to zero/factory day of delivery. It has something to do with turn the ignition on, press and release the acclelrator 3 time in 30 seconds, and turn the key back off. (I think) That shoud re set the whole car. If not, leave the battery disconnected over night, or al day at work, like 4 or 5 hours. See what happens. I would try it on mine, but I don't have power locks,
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Hum, maybe there is a way to reset the computer to factory defaults, but this is not the one, because this is exactly what I do to reset the "change oil" message, as specified in the manual ;)
 
#31 ·
I was doing work with the front bumper off last week, and I unplugged the horn while I was working on it and plugged the connector back in when I was done. It's plugged in all the way I know for sure because I heard it click and its in as far as it goes, but ever since this it has not been working at all with the key fob and the steering wheel button. It's a real pain not having a horn so I'd like to fix it asap

Do you guys think it needs a computer reset, or do you think the issue is in the horn/wiring itself? I wouldn't be surprised if it was corrosion either, as mine has been through 9 winters of road salt. Any ideas are appreciated
 
#34 ·
MEGULA said:
I wish the horn wouldn't honk... that little toot is so unworthy of the Patriot! :p
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Many of us on this forum have replaced the wimpy horn with a dual (two-tone) unit available from AutoZone & O'Riley's, for less than $20. Takes a little work to access the horn location, and you'll have to create a two way splitter jumper to connect both new horns to the existing wire. And--they sound great and can hold their own on CA (now WA) freeways... Again, a simple, inexpensive mod that will upgrade the "manliness" of your jeep.

I believe the stock horn has the same tone/loudness of the original army jeep--no improvement for 75+ years....?
 
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#35 ·
My horn button doesn't work, neither does the "step" and "reset" button on the right side of the wheel. The Cruse controls on the left still work. Now the mysterious part is when I hit the lock button on the fob it honks.

I tried the 2 hour reset and that didn't help. What would you suggest be my next move? I will not go to the dealership if I can avoid it.
 
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