Nothing but problems

[Gully Washer]

The dealer disconnected the radio all together.

When you say the vehicle won't start, is it completely dead or does everything work but the engine just won't start. These things have some crazy safety features and one pinched wire can cause chaos...

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[ShadowsPapa]

I think your problem is the two battery setup. Stupid question, but did they check for proper voltage on both batteries? Cold weather sounds like a battery issue.

He can do that himself since they are connected together when parked.
A cheap volt meter from Walmart or Menards is all that's needed, OR, do not press the brake pedal, press the big button two times to go to run mode, scroll the cluster until you see the volt meter on the dash and check the voltage.
Two batteries connected in parallel will equalize while sitting where the battery with the highest SoC will "push" to the lower charge battery until an equilibrium is reached.

No start can be caused by many many things.
But too many just say "it won't start" and never bother saying "it won't CRANK" leaving us wondering - did it CRANK and turn over and just not FIRE or not start, or did it do NOTHING at all, no lights, no click, no nuttin?

I hate it when people out there say:
"it won't turn over" when you can hear the starter turning the engine over in their video.
or
"It won't start"
- do you mean it won't CRANK or won't turn over, or that the starter turns it over, cranks it, spins the engine but it doesn't fire, the engine won't start?

 

[AyeCantSeeYou]

@JeepCares case# 848712118
I bought my Gladiator in July of 2021, it’s a 2020 but was brand new with only 4 miles on it. Since then anytime the weather gets cold it won’t start or it starts and won’t go into gear. I have had it towed to the dealer twice and driven it to the deal 5/6 times for the same issue. They can’t seem to find the problem. 2 weeks ago they decided the shifter was the problem so they changed it out. Got my Jeep back on Wednesday night drove it Thursday and Friday. Monday I went to leave for work and the Jeep wouldn’t start. Called the tow truck and towed it to the dealership once again. They have had it now for 9 days, I called jeep cares last monday(the day it was towed) got a case number since then I have called them twice and have not heard back.
Over the summer I got a new radio install by Alpine at a jeep show, the dealer is trying to say my radio is causing my problems! Problem with that is the jeep was doing this last winter before the radio was installed and all summer long the jeep was fine. I am so done with my jeep, the dealership, jeep cares and everything to do with the jeep.
While I love my jeep, I can’t keep going through this, I didn’t buy a new jeep to have an unreliable vehicle, I can’t keep ask friends if I can borrow their car to get to work and I don’t know what to do at this point.

I see you're in Maryland. What dealership?

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