Any Jeep technicians out there?

Try disconnecting the battery sensor on the negative terminal for 5 minutes or so. And you said Cherokee (KL chassis) never had a stop/start battery and never had a 3.6 a Grand (WK) may have a stop/start battery. If it's the OEM battery replace it anyway but try the battery sensor disconnect first!

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Ok, thanks I will try this, what I did was disconnect the positive battery cable, on the Jeep all you need to do is under a 10mm nut and yhe cable, not the terminal pops right off, I'm not sure how that is different from disconnecting the negative sensor but I'll give it a try this morning. Many have posted to just permanently disconnect the feature but as I said in my first post my wife likes the feature, it's been with the car since new and she wants it to work.