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Dyna Glide ModelsSuper Glide, Super Glide Sport, Super Glide Custom, Dyna Glide Convertible, Super Glide T-Sport, Dyna Glide Police, Dyna Switchback, Low Rider, Street Bob, Fat Bob and Wide Glide.
My Low Rider 2015 horn failed. But there is error code: b2129 "Horn Output Overloaded". Mechanic in dealer told me I have to buy a new BCM. But the only thing which is wrong is the horn. Who knows what else I can do?
It depends on how it failed. Does it work at all? You may just need to clean the terminals, the connectors, and the ground connection under the seat. After you try all that see if the horn works. You can try to replace the horn. I can give you all kinds of possibilities but I can't tell you what will fix it without more information other than it doesn't work and the error code. The error code indicates there is more impedance on the wiring or in the horn than is supposed to be there but there is still a full positive and negative connection.
Thank you for your answer. I bought a new horn. And the situation didn't chance. I deny for the moment to buy a new BCM jus fot de horn. I cleaned terminals and the conecctors as you suggested to me. I will see today how is going on in my everyday ride.
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