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levi_werner9

Creta MOST bus fault

Has anyone experienced a MOST bus fault with their 2020 gasoline Hyundai Creta? My audio system and navigation are dead, and diagnostics show a potential control unit error. The car has 130995 km.

Summary of the thread

A 2020 Hyundai Creta owner experienced a MOST bus fault, resulting in a non-functional audio system and navigation. Diagnostics indicated a potential control unit error. Another Creta owner suggested checking connections, but ultimately, the issue was confirmed to be a faulty control unit on the MOST bus. The recommended solution was to have a qualified technician diagnose and repair the problem, which was confirmed and repaired at a workshop.

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4 comment(s)

leon_winkler92

I own a Creta and faced something similar. No sound, nav system dead... Sounded like a MOST bus problem to me, too. Did you check any of the connections? It could save you a lot of time and money.

levi_werner9 (community.author)

Could you elaborate on the specific connections you are referring to? I'm not familiar with the MOST bus architecture and would appreciate any guidance.

leon_winkler92

In my case, it turned out to be a faulty control unit on the MOST bus itself. Sadly, checking the connections didn't solve it. It really does sound like you may have the same issue. I would suggest taking it to a workshop to diagnose it properly. It's a complex system, and you could end up making it worse without the proper tools and knowledge.

levi_werner9 (community.author)

I appreciate the advice. I suspected as much. I will schedule an appointment with a qualified technician to assess the control units. The workshop confirmed the defect to one of the units. The repair cost amounted to approximately 1000€.

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HYUNDAI

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CRETA