Help, my car is possessed! Battery dies, then gear locked at charge, and horn isn't working-

Asked by Apr 25, 2016 at 06:42 PM about the 2006 Acura TL

Question type: Maintenance & Repair

I have a 2006 Acura TL, and lately (months) my
battery dies of over the weekend due to non-use. I
jump it and go, yet I'm told my battery is good (and   
still under warrenty). Also, nothing comes up in the
computer when checked. I went out of town for a
week and my car had zero signs of life, even after a
few moments charging. When it finally goes on I
was not able to switch the gear from park...at all! I
removed the cover and put my key in the (don't
know what it's called) next to the gear shift, and
was able to get out of the situation that way. While
driving, my horn isn't working and there's a VSA
light on, but pressing it on the dash won't turn the
icon off either. It's also hesitating a bit sometimes
when I accelerate. I don't know if it's a computer
issue, sensor, or even if maybe a resovoir cap issue
I recently had is sending mixed signals to my
car...or if this is due to anti-theft system. Can't
figure this out and I don't have time to go to the
dealership (autism in our home).  Anyone know
enough on Acura to advise?

-Scratching my head in Miami

1 Answer

102,385

If it kills a battery that quick it is more than just an alarm, there is a higher than normal amperage draw, on the vehicle it is a little more complex to find and diagnosis the draw due to the vehicles computer systems, I recommend a dealer look at it and then rent a car to cover while it is in the shop, it may take a while too find the exact problem. My old Acura had a similar problem and it wound up being the computer turning off the alternator when it should have been at full charge rate, so the battery dies.

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