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@ASD, I agree that's early for a battery to fail. I've never had a battery fail that young. At least your dealer discounted the replacement. I hope that's your last problem for a long time.
 

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Just happened to me. Battery is two years old and then it dies after not using it for a weekend. Nothing was left on for certain. Helfman Jeep in Houston tried to sell me a new one for $423. Wish I knew what drained it.
 

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they system is trying to charge two batteries at the same time and as stated these aren't the greatest batteries. Also, these batteries/charging system doesn't like short trips and cool/colder weather. Ours probably won't make the winter, no Start/Stop for the past 2 months "system charging" and showing 14.4v charging while running. for this past week the battery is holding at 12.15v in the AM. i chatted with with Jeep customer service yesterday and i may pay the diagnostic fee, if even that. the compass is 1 year 10 months with 11,250 miles. seems odd for the extra charge unless ya'll are over the 3/36 warranty?
 

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Just happened to me. Battery is two years old and then it dies after not using it for a weekend. Nothing was left on for certain. Helfman Jeep in Houston tried to sell me a new one for $423. Wish I knew what drained it.
Hi Andy9381,
We're sorry to hear about this. If you need any assistance while working with your dealer, please send us a PM.
Alex
JeepCares
 

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NewCsport said:
i may pay the diagnostic fee, if even that. the compass is 1 year 10 months with 11,250 miles. seems odd for the extra charge unless ya'll are over the 3/36 warranty?
There are no fees when its under warranty, unless your stealership is more crooked than they usually already are.
 

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Hey everyone,

Has anyone else had an issue where their 2018 Jeep compass battery is completely dead after sitting for 2 days or the weekend? I mean dead to the point the doors won't even unlock. I have an appointment to take it to the dealer AGAIN for this reoccurring problem and I was just curious if it was a common problem.

The only thing I have done to the vehicle electric wise was change the dome lights to LED; I'm sure that wouldn't cause an issue.
Yes, I have exactly the same problem. And the replacement battery that Pep Boys and Auto Zone computers systems suggest do not fit.
 

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Hey everyone,

Has anyone else had an issue where their 2018 Jeep compass battery is completely dead after sitting for 2 days or the weekend? I mean dead to the point the doors won't even unlock. I have an appointment to take it to the dealer AGAIN for this reoccurring problem and I was just curious if it was a common problem.

The only thing I have done to the vehicle electric wise was change the dome lights to LED; I'm sure that wouldn't cause an issue.
Yes Ive been having this issue off and on for about a year and half. I thought it was the battery so I had that replaced. It just recently started doing it on a consistent basis. If it sits for a day, i have to get it jumped. I just dropped it to the dealership today and hopefully they can fix this issue.
 

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Is your ignition stuck on? I had a situation where even though I turned off the engine and removed the key the vehicle's computer stayed up. My clue was that after it was off and parked for awhile, if I opened a door the interior lights came on but only stayed on for a few seconds then dimmed out. Normally it stays on for maybe a minute or more. That indicated that the computer hadn't shut down.
 

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Yes Ive been having this issue off and on for about a year and half. I thought it was the battery so I had that replaced. It just recently started doing it on a consistent basis. If it sits for a day, i have to get it jumped. I just dropped it to the dealership today and hopefully they can fix this issue.
Please keep us updated on your dealer visit. If additional assistance is needed, our team can connect you with a Case Specialist to assist. We are available via PM.
Alex
Jeep Cares
 

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Hey everyone,

Has anyone else had an issue where their 2018 Jeep compass battery is completely dead after sitting for 2 days or the weekend? I mean dead to the point the doors won't even unlock. I have an appointment to take it to the dealer AGAIN for this reoccurring problem and I was just curious if it was a common problem.

The only thing I have done to the vehicle electric wise was change the dome lights to LED; I'm sure that wouldn't cause an issue.
 

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My Jeep Compass 2018 sat for 2 day and when I went to start the car the battery indicator was lit. just had the battery jumped. The cars doors did unlock and the interior lights did go on. Also the car mechanic from Chrysler roadside assistance said the battery was reading fully charged. He did jump start the car and it has been running for 30 minutes. Fingers crossed, I read were the battlers only last 3 years.
 
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