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My 2014 Cruze is headed for its 4th battery in 3 years. First failed slowly over a couple of weeks at 2 years old, til they would no longer take a charge. Dealer replaced under warranty. Second lasted 4 months, they would not take a charge. Third battery has been in 3 months. The other day it started with a low 11.8 volts on the DIC. I noted a 15 volt charge rate. Since then its starting OK but consistently charges at 15 bolts. The battery shows 13 volts when I shut down, then drops into the 12's. No matter what the DIC reads 14.7 to 15.2 volts. It never drops below that, even after 50 miles freeway. Its like its always trying to charge the battery, even when the battery shows full charge. I just can't believe that I'd go through 4 brand new Delco batteries in 3 years. I have no other problems. Dealer keeps saying it normal but shouldn't the charge drop to 13 or so then the battery is topped off? My guess is that its charging too high and cooking the battery over time.
 

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2014 LT program car, Pull Me Over Red
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Welcome aboard!:welcome:

In addition to the neg cable, there are a number of threads that talk about a bluetooth(?) connection that does not stop if you are using a phone through the vehicle infotainment system. I am not all that familiar with it, but it seems as if it was a big enough power draw to cause problems. I'll see if I can find a few threads.


Edit:
Here are a few, but there are more.
What I've noticed with the battery drain issue
Battery Drain Issues

TSB Dead Battery After Exiting The Vehicle While On A Bluetooth Call
 

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Battery charging problems and other weird stuff was caused by crimping the battery terminal to bare copper wire. Exposed t acid fume, turn brown with poor connectivity. Soldered these to solve this problem. Other can be a not so tight alternator mounting bolt, fools the sense circuit for low battery charging. Battery is not the culprit, but the victim. Adding a 10 gauge wire from the alternator to a good engine ground also solves this.

Dirty ignition relay contacts can cause a ton of problems, all those computers need a good power on reset to work properly, typically, these problems are very erratic.

Never let us using a linear regulator in the voltage regulator, would cost less than a buck more. Using a cheap power MOSFET transistor instead that in the Cruze operates at 100Hz. Not only the Cruze,but all these vehicles. Each time it switches off, acts like a Tesla coil, generates a very high voltage that only the battery can filter out. With poor connectivity, can cook your electronics, another problem that is very easy to solve. Don't blame engineers, either do it their way or get canned. Always heard, a penny here or there take away money from the stockholders. Most important to keep the stockholders happy.

Ha, telling it the way it is, like over 40 years of this BS.
 

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i am having the same exact problem with a slow draining battery, exactly the same situation!!!! i have gone to the dealership twice already , this will be my third attempt and 2 battery replacement later. because im a female they keep treating me like i dont know what im talking about and had the nerve to blame me saying that i have to start my every two or three days in order for the battery to stay charged!! when driving they seem to first charge it at 16 volts but slowing over time 15 , 14 , and driving absolutley no where for 30 minutes it dosnt increase or raise the charged volts on the battery til finally eventually two months later dead battery!!!! my cruze is also a 2014 chevy cruze, its not driven as a primary vehicle, maybe once a week for dr , groceries etc.. having only 14000 miles on it total and its doing this!!!! again the dealership i take it to dosnt seem to care and of course its my fault that every time i get in the car the battery is slowly less and less til nothing
 
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