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Toyota Prius Software Problems - READ ONLY

752 messages,  Last post on Sep 10, 2006 at 5:54 PM

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What is this discussion about? Toyota Prius, Hybrid Cars


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#11 of 752
Re: Toyota Prius Software Problems [joebeatt] by md_sailor
Mar 16, 2005 (7:02 am)

Replying to: joebeatt (Mar 16, 2005 1:48 am)

Toyota is not investigating these failures properly, no one from Toyota with any technical knowledge about the computers has contacted me or reviewed the case. Instead, they had a person call me to say that they would not answer my detailed technical questions about the failure because this would involve "proprietary" information.
 
The dealers just report that the car stopped, no further details are sent back to Toyota. The same software is just reloaded to replace the scrambled code in the Engine Control Module (ECM) and the customer is sent on the way. This is obviously In System Programmable (ISP) code, and it is getting corrupted when the computer fails. Not a good design and one that needs investigation. A conscientious company would work on the problem instead of ignoring it.
 
I sent a two page FAX to Toyota Customer Service, FAX: 310-468-7814
 
Does anyone have the direct contact info. for the Nat. Highway Safety Institute?
#12 of 752
Re: Toyota Prius Software Problems [md_sailor] by joebeatt
Mar 16, 2005 (8:28 am)

Replying to: md_sailor (Mar 16, 2005 7:02 am)

That's a shame md_sailor. Did you consider sending a fax and/or e-mail to Toyota headquarters in Japan?
#13 of 752
Re: Toyota Prius Software Problems [md_sailor] by stevedebi
Mar 16, 2005 (1:58 pm)

Replying to: md_sailor (Mar 16, 2005 7:02 am)

"Does anyone have the direct contact info. for the Nat. Highway Safety Institute?"
 
I encourage everyone with a software problem to open a complaint with the National Highway Transportation Safety Board:
 
http://www-odi.nhtsa.dot.gov/ivoq/
 
Only by reporting the problems will the solution be forced on the manufacturors.
 
Interesting, I just checked on the 2004 Prius and there were about 6 complaints of various problems that sounded like software / ECU related (car stopped dead, etc). In several cases, the dealer said the software had to be either updated or reprogrammed. For one thing there appears to be a TSB on the ECU software. BTW, that is about 1/5th of the total complaints registered for the 2004 Prius.
#14 of 752
MY2005 by jkraft3
Mar 24, 2005 (11:26 am)
Are there continuing software problems with model year 2005?
#15 of 752
Re: Toyota Prius Software Problems [joebeatt] by mb1
Mar 28, 2005 (2:12 pm)

Replying to: joebeatt (Mar 15, 2005 11:28 pm)

Window was released in 1995 not 1985 are you thinking msdos? Sheesh get your dates right will ya? Lived it!
#16 of 752
Re: Toyota Prius Software Problems [mb1] by stevedebi
Mar 28, 2005 (2:27 pm)

Replying to: mb1 (Mar 28, 2005 2:12 pm)

Hmmm, I think the run-time version of windows 1.0 was available around 1986. I know I got MS Excel with Windows 2.1 run time in 1988. So I imagine the first version os Windows was around 1985-1986...
 
Windows 95 was introduced in 1995... Windows was earlier.
#17 of 752
Watch the topic drift! by pf_flyer HOST
Mar 28, 2005 (2:54 pm)
I know it's easy to branch off into other trains of thought in the forums, but THINK CARS!!
#18 of 752
Re: Toyota Prius Software Problems [stevedebi] by gagrice
Mar 28, 2005 (3:17 pm)

Replying to: stevedebi (Mar 28, 2005 2:27 pm)

Your dates are right on. The issue is, the blue screen of death is nothing compared to your car stopping from 70 mph in the left lane, on the 405 freeway during rush hours. This is happening more than any other car I can remember researching. What has Toyota done to correct the software bug?

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