View source for MLB based Sound System (J525)

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== Information ==
The vast majority of MLB based models use a 47-Sound System (J525) control module which communicates via the MOST Bus.  The [https://www.ross-tech.com/vcds/tour/optical-bus.php Optical Bus Diagnostics] function in VCDS can be used to diagnose communication issues.

== Replacement ==
Component Protection can only be learned/disabled using the Factory Tool in Combination with an online Connection with GeKo access.  This can be completed online at the dealer or by using a Pass-Thru (J2534) device per the notes on our [[Official Factory Repair Information]] page.