What is required is very confusing, because Chrysler is NOT forthcoming with the necessary information and they intentionally disable accessories and components that must be "enabled" by the Dealer. For no other reason I can find, other than to create business for the Dealership.
1.) Its unecessary, aviation and IT has been dealing with bus control and configuration for decades before Chrysler, and there are all sorts of strategies to very easily totally automate changing things on the bus without having to do extra work with extra tools to configure it.
2.) At least for the accessories I have dealt with, bus configuration was NOT an issue. (I have NOT dealt with a DVD unit though) I don't have the dealer starscan, even if I could afford it, with dealernet needed for many things, I would still be locked out of my own vehicle even if I did buy the outrageously priced tool. But the tools I do have, I can monitor the bus and perform built-in self-tests on the modules, they are the bus and communicating, plug & play, they run their self-test and report through the bus they pass. They are simply disabled until the starscan tool enables them. As well, I've seen posts from folks lucky enough to find the module they want in a junkyard, that was previously used, since it had been enabled before, it works plug & play, no trip to the Dealership necessary. So why don't they work plug & play new, when they work plug & play used, with no problem at all?
My Guess, that could be wrong, if you are installing a used unit that was enabled before, it should still be enabled and should work plug & play, but that is only the unit itself, it it needs to interact with other units, with features that are turned off in the other unit, that feature likely will NOT turn on automatically. Now, if you need a feature turned on, in the OEM radio, that very well may need the dealer starscan tool to turn it on. Even though the bus could easily configure itself with the bus controller, and turn the feature on in the radio, but then the dealer wouldn't get any $$$. I would think you would still save a lot of money doing the install yourself, and only pay for the labor to use the starscan tool and NOT hours of extra labor.
Call around, some dealers will only charge a half-hour of labor for a simple 5 minute starscan jobs, while others charge a whole hour. One dealer near me charges $50 while the other charges $105 for the tech to hook up the starscan and press a couple of buttons.
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