Some Acura RDX owners report experiencing a popping and crackling audio issue related to the MOST bus network, which can manifest as a blank display or no sound from the audio system due to loose connections. This problem may also trigger a Network Loss message, cause the Center Display Unit to remain on with the ignition off, and lead to the display switching between day and night modes. Additionally, some customers have found their infotainment systems inoperative or displaying a black screen alongside the audio disturbances. Repairs often require replacing the wiring harness connected to the infotainment system, and dealerships have been known to replace bus connectors to resolve the issue, which is notably linked to the center speaker. There is currently a class action lawsuit against American Honda regarding this speaker popping problem. Temporary solutions reported by some owners include switching to Bluetooth streaming or utilizing Carplay for audio. To effectively address these issues, it is recommended to inspect the MOST connectors throughout the system, as damaged connectors necessitate the replacement of the entire harness. Warranty extensions have also been offered to cover certain infotainment system symptoms for a limited time after purchase.
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