First let me say, I don't have a Gladiator but I have stop/start issue with our 2019 JLU Sport S that started about a month ago. And it's been to the dealer now 3x. We replaced the main battery, they replaced the aux battery and it's still doing it. The second time back they told me it was a...
I did a search for the same thing and came upon this forum. I don't have a Gladiator but a 2019 JLU Sport S and for the past 3 weeks it's been going crazy, all the bells and whistles, error messages, throwing 80 codes. Replaced the main battery and then it went to the dealer and they replaced...