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post #1 of 12 (permalink) Old 10-10-2009, 08:28 PM Thread Starter
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Default Exclamation Triangle plus other warning lights

Plus the main batteries wont charge! 2006 Prius with about 65,000 The multi-display thing shows one purple bar no matter what I do. Plan on taking it in Monday morning, but will need to get it towed (not sure if it would make it or what). The vent fan by the rear passenger side door/backseat is constantly on and I can't remember ever really hearing it before (although it probably has been on before) Should I even consider checking terminal connections on the main batteries or is this a big deal? Didn't think the batteries would have a problem already, but maybe they are? I think they are under warranty until 100,000. Any help is greatly appreciated, thanks.
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post #2 of 12 (permalink) Old 10-10-2009, 09:09 PM
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Default Re: Exclamation Triangle plus other warning lights

Without error codes, it's hard to tell from your description. If you can limp to an auto parts store (e.g., AutoZone, Checker, Pep Boys, etc.) some will read the codes for you for free. Also, as a last resort, you might try disconnecting the 12v battery for a few minutes to see if resetting the codes will allow the ICE to start. (Certain codes prevent the ICE from starting, and you can't do much after that.)

Where you live, did you have a sudden cold snap? Sometimes, a rapid freeze will cause the ICE to stumble when first started, and a "failure to start" error code will give similar symptoms. Seach this site for lots of previous posts on this subject. (Oh, just notice that you are in Florida, so probably not...)

Otherwise, if you can get the codes, search this site for those, which should give you a headstart before you go to the dealer. However, there is a good likelyhood that this may be covered (all or in part) by Toyota's extended coverage on the hybrid system.
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post #3 of 12 (permalink) Old 10-10-2009, 10:06 PM Thread Starter
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Default Re: Exclamation Triangle plus other warning lights

I'll try to get it over to AutoZone tomorrow and see what kind of codes show up. I disconnected the 12v battery by unplugging the two connectors at the battery for a few minutes, then plugging back in. It started with no warning lights, but then the touch-screen display said problem across the top of the screen and other warning lights came on simultaneously. The fan in the rear main battery vent comes on every time about a minute after I turn it on, but this may be normal and I am just more alert listening for things now. Running in park at idle in the driveway, sometimes I can rev the engine and sometimes the accelerator does absolutely nothing. Can't remember ever trying to do this, so not sure what is normal. I was able to get 2 purple bars on the battery indicator, but then they went back down to 1 bar. Will post back in the AM after getting a computer on it and let you know what trouble codes show up.
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post #4 of 12 (permalink) Old 10-11-2009, 02:26 PM
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Default Re: Exclamation Triangle plus other warning lights

If your Prius starts and the high voltage battery is discharged, try driving around the block for a few times to see if the battery pack recharges. If I recall correctly, the battery does NOT charge while the car is in PARK or NEUTRAL. (By driving around the block, it won't be a very long walk (or tow) home.

The errors may go away as the charge builds. However, this is just a shot in the dark without the failure codes.
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post #5 of 12 (permalink) Old 10-11-2009, 04:14 PM
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Default Re: Exclamation Triangle plus other warning lights

The traction battery will charge in Park but not in Neutral.
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post #6 of 12 (permalink) Old 10-11-2009, 08:42 PM Thread Starter
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Default Re: Exclamation Triangle plus other warning lights

Auto parts store computer said "replace hybrid battery" Took it to dealer a couple hours ago and dropped it off for tomorrow. About half way there the ICE started revving and the battery meter on the display no longer showed charging. I could barely get up to 60MPH and it would slow down to about 50-55 going up hills. The mileage is a little higher than I previously stated, it's actually 67,000. I'll post what they find out.
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post #7 of 12 (permalink) Old 10-12-2009, 05:48 PM Thread Starter
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Default Re: Exclamation Triangle plus other warning lights

They are replacing the hybrid battery!
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post #8 of 12 (permalink) Old 10-12-2009, 05:51 PM
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Default Re: Exclamation Triangle plus other warning lights

...all under warranty, I trust. 67K miles is certainly an early age for the traction battery to go bad.
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post #9 of 12 (permalink) Old 10-12-2009, 05:55 PM Thread Starter
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Default Re: Exclamation Triangle plus other warning lights

The battery will be covered, but they are already trying to charge a diagnostic fee of $60. that I'm sure I will end up fighting for, plus they are recommending the 12v replaced at $230. And, I'm sure they will try to throw something else in there, because this is costing them!
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post #10 of 12 (permalink) Old 10-12-2009, 06:46 PM
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Default Re: Exclamation Triangle plus other warning lights

It's not costing the dealership. They get reimbursed by Toyota. I would not pay the diagnostic fee as that should be part of the warranty work. I can understand the dealer charging for the diagnostics if you didn't have any work done.

I think the 12v battery should be good for about 4 years (I got 5 years with my '04), so unless you have deep discharged the battery at some time, I would pass on replacing the 12v at this time.
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