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after about a 400 mile drive on the tarmac, the ESC light stays on, the selectrac lights are all off, Service ACC/Cruise control error, air suspension service.
Then it seems like the differentials stay locked, vehicle jerks when turning at slow speeds, dealer said it gives a transfer case control module communication error. Waiting for almost two weeks now for the module, but dealer said they can’t guarantee that will fix the problem, has anyone had this issue and what did it take to resolve?

note: when vehicle starts a muted thud can be heard from underneath
 

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2015 WK2 Overland
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I would start with the module as it’s the cheapest. Others have reported clutch failures in the transfer case. I would hunt down a used unit if it comes to that. As many modules are networked together one failure can cause the others to throw codes.
 
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