Battery change problems

[RangemasterP226]

Soooooo, I haven’t driven my 2017 GT Convertible for about a month. Battery is dead and won’t jump start. I just installed a brand new Interstate battery with the exact same specs as the factory one. Car starts just fine.

But, three things happened:
Brake light stays on
ABS light stays on
Traction Control light stays on

Any clues on this folks? Do I need to reset something??? Thanks!

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[15GTCA]

I would drive it for a short distance and see if the lights clear. You might have a stuck stop light switch.

 

[SAL-E]

If mine sits for longer than a week, I start getting messages that it is turning stuff off to preserve the battery. Battery nearly dead one time after two weeks. Car started but just barely. Got a new battery, but the same thing keeps happening. For that reason if it sits for more than a couple of days, I put the battery tender on it. Since it is mostly a weekend car, that is most of the time. I have checked for things like glove box or trunk lights stuck on, but they were fine.

 

[lacanteen]

Maybe a spider or wasp is in/on one of the wheel speed sensors.

 

[Goterr0r]

Is the alternator properly charging the battery? A weak battery or bad alternator will cause goofy random lights be on. If you put in a new battery and the alternator hasn't fully charged it properly it could be the issue. Or you could have a new battery that has been sitting for 2yrs making it an old battery sold as new.

 

[RangemasterP226]

Thx for the replies. I guess I jumped the gun because after I drove it for 5 minutes, all is back to normal.
Been changing car batteries my whole adult life and never has this happened. Oh well, all is good. Thanks

 

[Jay-rod427]

If mine sits for longer than a week, I start getting messages that it is turning stuff off to preserve the battery. Battery nearly dead one time after two weeks. Car started but just barely. Got a new battery, but the same thing keeps happening. For that reason if it sits for more than a couple of days, I put the battery tender on it. Since it is mostly a weekend car, that is most of the time. I have checked for things like glove box or trunk lights stuck on, but they were fine.

Modern cars have heavy parasitic battery draw due to all the electronic modules keeping a small amount of power activated even when the car is off. Security system, ecm memory retention, bcm memory retention, radio memory retention, the little red lights on the door "locks", etc...

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