Prius (2004-09) :: 12v Battery Going Flat Every Couple Of Days
Nov 4, 2015
Prius was running wonderfully until a few weeks ago. Recently, about 2 months ago, bought a new 12v battery. Everything was working fine.
About two weeks ago, the car wouldn't start. Jump started all good. Drove fine. If left unstarted for a day, it goes flat the next day. If driven every day, car will start fine.
Battery volt reads 14.1V whilst driving. I checked on the MFD screen.
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I have a '10 with only 4k miles, driven very little. Car might sit for three weeks and sometimes, not always, car won't start, dead battery. I have checked starting voltage and battery. Both check good, (after i have recharged battery, of course). Is this normal? I certainly hope not.
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Yesterday when I went to start my week old PIP, the battery was drained. There was no power to start and no power to the dome lights etc. I got out the owners manual and on page 594 there were instructions to jump start which I did. I drove it to the dealer and they checked it out. They said the 12V battery state of charge was 50% after being jumped and driven for 30 minutes. They then charged it to a full state of charge. They couldn't find any other drain overnight.
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I took it to the Toyota dealership, but they keep telling me there's nothing wrong with it. My wife has a newer Toyota (non-Prius, non-hybrid) and on the same days her ac is cool within a minute or so. Is this a common issue with all Prius cars? Or is there something not right, and I need to somehow convince the dealership of this?
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"There is a problem with the transmission "P" lock mechanism Park your your car on a flat surface and fully apply the parking brake." with the red triangle
I've done a ton of google searches on this issue with no luck finding a resolution.
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Before I took the car in for service everything worked fine.
I'm contending that the service people jostled something they should have just jiggled, or possibly jangled something they should have jingled.
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