Question about 2001 Toyota Prius

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2001 Toyota Prius - A warning light with exclamation mark on a car appeared on the MultiVisual Display Unit

I have a 2001 Toyota Prius Hybrid with almost 145,000 miles on the odometer, and when I started the car recently, a warning light with exclamation mark on a car appeared on the MultiVisual Display Unit. I checked my fuses, and there is no problem with them. Does anybody have any idea as to what is causing this problem? Thank you!

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  • ghcele Dec 13, 2008

    my 2001 prius starts and dies after 10 seconds when the check engine light comes on the only code the computers stores is a no start code; if I drive the car does not go aver 20mph the engine never turns on.

    If you come with any new answer please email me at ghleno@hotmail.com

  • Anonymous Mar 16, 2014

    Its take about 80 miles from when I start driving my Prius 2001 for a warning sign to come out. A PS appears followed by a car with an exclamation point. Then a tringle followed by check engine appears too. I took it to get check but I was told that everything its fine with the car, they check all the codes but they showed no issue. I was told to reset the battery, but I know it will get annoying to reset battery every 80 miles.

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I had the same problem. I unplugged the relays from the fuse/relay box under the bonnet. (Top left side) and replaced them. The problem disappeared. (2001 Prius 109,000 miles)

Posted on Aug 21, 2008

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The computer is warning you that it has detected a problem with the Hybrid System, probably with the main battery. Take the car to a dealer so that they can read the diagnostic codes from the computer and determine the problem.

Posted on Jan 04, 2009

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I had the same problem. I removed the relays from the fusebox under the bonnet/hood (top left side) and then replaced them. All working OK now. Sometimes I have had a problem when I start the car (especially after rainy day) the petrol engine immediately dies and I can only drive in electric. I have found that if I turn the ignition off and then restart it and immediately pump the accelerator it makes the engine run OK. Hope this helps.

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