johannesblitz99

Lexus RC Audio System Failure

I'm having trouble with the audio system in my 2018 Lexus RC with a gasoline engine. With 102742 km, the audio system has stopped working. All other electrical systems seem fine, but there's no audio from any speakers. I've checked all the audio-related fuses, and they're good. Bluetooth, USB, and the auxiliary input don't work. Could this be a deeper issue?

The audio system in a 2018 Lexus RC has stopped working, despite all other electrical systems functioning normally and audio-related fuses being intact. The issue may stem from a hardware problem, particularly a fault in the bass speaker, which could have caused a short circuit affecting the entire audio output. It is recommended to seek professional assessment and repair to address the issue effectively.

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4 comment(s)

A complete audio system failure, despite functional fuses and absent connectivity, does indeed point toward a hardware issue. Before delving into more invasive procedures, have you observed any unusual distortion or degradation in sound quality preceding the complete failure? Are any warning lights illuminated on the head unit itself?

Before it went silent, there were subtle anomalies. A slight raspiness, especially at lower frequencies, seemed to come from the bass speaker. But there weren't any warning lights or error messages on the head unit.

The symptoms you describe strongly suggest a fault within the bass speaker, potentially causing a short circuit that disables the entire audio output stage. While further diagnostics would provide definitive confirmation, the probability is high. It may be prudent to seek professional assessment and repair at a reputable service center. The cost is about 280€.

Thanks for the insight. Your assessment matches my suspicions. I'll take my RC to a technician for diagnosis and repair. Your help was instrumental. The bass speaker was indeed defective.

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LEXUS

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