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what is the fix? replace the 8.4 and did it solve your issues?The 2018 8.4's have had alot of delamination issues. Mine did and rendered the truck almost unusable. Changed radio stations and inputs constantly and randomly. During a blaring heat wave kept changing the AC to heat and messed with the temperature.
From what I've read 2019 and up are good to go. Not too sure of 2017 and below. 2018 stay away from.
The whole unit was replaced under my extended warranty. Haven't had any issues to this point.what is the fix? replace the 8.4 and did it solve your issues?