vincentwilliams4
Frontier Audio and Navigation Failure
Summary of the thread
A 2004 Nissan Frontier is experiencing a complete failure of its audio and navigation systems, with diagnostic scans indicating a MOST bus fault. This issue may be caused by a defective control unit within the MOST bus. A similar problem was resolved by identifying a faulty module in the MOST loop, suggesting that professional diagnosis and repair by a workshop experienced in car electronics and bus systems is advisable.
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4 comment(s)
vincentwilliams4 (community.author)
Thank you! No recent work, and that's part of what's so baffling. Can you elaborate on what your 'similar gremlin' entailed? Did it manifest in the same manner—complete audio silence and a non-functional navigation, coupled with that unsettling MOST bus error?
emiliadunkel10
Yep, pretty much identical. I chased a bunch of electrical ghosts before giving up. Turned out to be a bad module somewhere in the MOST loop. Honestly, save yourself the headache and take it to a workshop with experience in car electronics and bus systems. It's gonna be a pain to diagnose otherwise.
vincentwilliams4 (community.author)
I appreciate your confirmation and advice. It seems a competent workshop is the prudent path forward. I will proceed accordingly and report back on the resolution. The repair cost was 1000€. Thank you again for sharing your experience; it has proven invaluable.
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NISSAN
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FRONTIER
emiliadunkel10
Whoa, sounds familiar! I had a similar gremlin in my Frontier. Audio dead, nav kaput. Before you start tearing into control units, check the basics. Any recent work done on the truck?