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Discussion Starter · #1 ·
I was wondering if anyone can help me out with the issues I'm experiencing. For some reason, my trackhawk will be completely dead when I either try to enter it or I'm inside the car with the key. I'll wait for a couple of minutes or longer and then it'll randomly come back(acc mode); but when I try to start up the car ill hear a one time clicking sound and then it'll turn off again (sometimes it doesn't and I can start driving the car). However, when it does come back (start up) the screen's theme is change to the default one, I lose the feature of having the reverse cam, and the "control" tab only has only access to the driver seat and not the passenger. I have an appointment with the dealership next week but i was wondering if anyone has an idea what this issue can be so I can have some sense of ease. Also, I'll provide videos and pictures. Thanks in advance for any feedback!
Video 1
Video 2
 

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2018 Jeep Grand Cherokee Trackhawk
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Read on Jeep Garage someone had to have their Uconnect disabled so that the battery wouldn't drain, while waiting for new(reconditioned) radio leaving them without a lot of controls. Or you need to have the battery load tested, can do some strange things, electrical is the pits and so are these Uconnect radios have had mine replaced once already.
 
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Discussion Starter · #6 ·
Sounds like a battery issue to me. Have you tried charging, or better yet, load testing the battery?
Mine needs a battery maintainer since it sits a lot, and all the electronic gizmos slowly but surely suck the battery down.
I have not tried any of those methods but when I'm able to turn on the car the first thing I check is what the battery voltage is producing and it's hovering around 14.5 - 14.6. Hopefully, when I bring it to the dealership next week they'll be able to identify the problem. Also, my car doesn't sit that much, I drive it every day; but do you think it's worth getting a battery maintainer?
 

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I have not tried any of those methods but when I'm able to turn on the car the first thing I check is what the battery voltage is producing and it's hovering around 14.5 - 14.6. Hopefully, when I bring it to the dealership next week they'll be able to identify the problem. Also, my car doesn't sit that much, I drive it every day; but do you think it's worth getting a battery maintainer?
Why not get a charger? Before I put I replaced my battery, I fully charged it to 15V. That would be the least expensive solution.
 

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I have not tried any of those methods but when I'm able to turn on the car the first thing I check is what the battery voltage is producing and it's hovering around 14.5 - 14.6. Also, my car doesn't sit that much, I drive it every day; but do you think it's worth getting a battery maintainer?
Several things could be at play here. For example, that you drive it every day doesn't mean that the battery ever gets fully charged, if it's short trips. And/or you have all kinds of electrical loads going.

Once running, that's the voltages you should see, but what means something is what it is before you start the engine.
And even then, a bad battery can show good voltage, which is why you should load test it instead.

When you have tested the battery it may be worth spending less than $50 on a good maintainer with desulfation...if your driving habits never allow a full charge.
 

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Apparently it won't let you remote start either when he battery voltage is too low. I couldn't remote start via the key fob, so I ended up using a trickle charger (Battery Tender). Starts fine now....

OP: Did you ever get this issue resolved?
 

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I know this is an old thread but I have a similar issue. My TH will just click instead of start, randomly. I don't lose screens and if I wait around 5 minutes with her off, it will start without issue. Any ideas? Battery replacement made no difference in this random problem.
 

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If it’s clicking then it’s a sign of low voltage. If you have a voltage meter, I’d check it next time it happens. Also maybe change the battery in your fob
 

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2019, Jeep, Trackhawk, Granite Crystal
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Starter relay is making imperfect contact or the starters brushes are not exciting the rotor. That is why you are hearing the click of the relay and the starter is not turning.
 

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Make sure the battery cables have not come loose after some time.
My SRT had a random no start issue and that's what it was.
A car stereo shop had installed a 4 gauge wire off the battery terminal and it had come slightly loose.
 
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