matthiaskrueger14
H1 MOST Bus Audio Failure
Summary of the thread
A 2014 Hyundai H1 is experiencing a dead audio and navigation system, with diagnostics indicating a MOST bus error. A faulty control unit is suspected as a potential cause. Fiber optic connections related to the MOST bus are sensitive and could also be involved. The recommended solution is to have a professional workshop handle the issue to avoid further complications.
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4 comment(s)
matthiaskrueger14 (community.author)
Thanks! Are you referring to the fiber optics related to the MOST bus? Where did you find those connections? Did you fix it yourself or take it to a professional?
georgmueller35
Yeah, the fiber optics on the MOST bus. I gave up after fiddling around. It's a pain to trace and I was worried about damaging the cables. I took it to a workshop. Turns out, a faulty control unit was the problem. Better let pros handle it.
matthiaskrueger14 (community.author)
Appreciate the advice, I will take it to a workshop. My research pointed to a similar conclusion, and since I'm not confident enough to start tearing apart the MOST bus, I will play it safe. Apparently it will be around 1000€.
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HYUNDAI
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H1
georgmueller35
I had something similar happen in my H1. Everything died: radio, nav, even the parking sensors! Diagnostics also pointed to the MOST bus. Did you check the fiber optic connections? They're sensitive.