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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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#28 of 752
Re: Toyota Prius Software Problems [sganarelle] by stevedebi
Mar 31, 2005 (2:04 pm)

Replying to: sganarelle (Mar 30, 2005 8:40 pm)

"I don't see why a computer problem is necessarily worse than a mechanical failure. The failure of a fuel pump on the freeway or ball joint failure or even a tire blowout can lead to serious consequences."
 
Mechanical problems and failures are the result of material failures, which can happen. In general, it causes a single point failure. Keep in mind that the Prius is subject to these failures plus additional potential software problems.
 
Software problems are the result of massive amounts of human generated software code. The use of software code in the Prius (having to use software more than a standard car to drive the dual propulsion system) requires a larger code, and more chances for error. Plus, that error shuts down the entire vehicle. A tire can be replaced with a spare, and a CV Joint is not expected to fail unless it is old or mechanically defective. A software bug that is never fixed will lurk around waiting to occur again.
 
The real problem is that Toyota may not be doing anything about the source of the problem - the code itself.
#29 of 752
Re: Toyota Prius Software Problems [stevedebi] by gagrice
Mar 31, 2005 (5:35 pm)

Replying to: stevedebi (Mar 31, 2005 2:04 pm)

The failure of a fuel pump on the freeway or ball joint failure
 
These parts can be replaced and the trouble is no longer an issue. With a software glitch that just gets reset you never know when it will come back to get you. I read in the Wall Street Journal yesterday that JD Powers rated Toyota below average on reliability. They were 28th out of 39 brands. What happened to them? Maybe too big too fast.
#30 of 752
Re: Toyota Prius Software Problems [stevedebi] by sganarelle
Mar 31, 2005 (7:44 pm)

Replying to: stevedebi (Mar 31, 2005 2:04 pm)

"Stevedebi" wrote:
 
"Mechanical problems and failures are the result of material failures, which can happen. In general, it causes a single point failure."
 
Really? Try telling that to the thousands of owners of Chrysler vehicles who had to be towed after transmission failures a few years ago, or the VW/Audi owners in the tens of thousands who experienced total vehicle failure because of ignition coil problems. Those cars were brand new. Those were DESIGN problems, not WEAR problems.
 
The whole trend over the last 30 years has been to replace mechanical components with electronics because it is so much more reliable. The biggest increase in automotive reliability came when electronic fuel injection replaced carburetors. Remember them? Remember what happened when they got gummed up?
 
"...Keep in mind that the Prius is subject to these failures plus additional potential software problems."
 
The Prius probably has fewer mechanical components than any car on the road. Even the accelerator linkage is electronic. And the result is outstanding reliability. Check out Consumer Reports reliability ratings. Prius is at the very top.
 
"The real problem is that Toyota may not be doing anything about the source of the problem - the code itself."
 
You have made two assumptions there, without any evidence that either is true;
 
1. that there is a software problem
 
2. that if there is, Toyota is not doing anything to fix it.
 
Regards,
 
David (whose Prius never misses a beat)
#31 of 752
Re: Toyota Prius Software Problems [gagrice] by sganarelle
Mar 31, 2005 (7:50 pm)

Replying to: gagrice (Mar 31, 2005 5:35 pm)

Gagrice wrote:
 
"I read in the Wall Street Journal yesterday that JD Powers rated Toyota below average on reliability. They were 28th out of 39 brands."
 
Must have been the National Inquirer. A search of the on-line Wall Street Journal found no such article.
 
David
#32 of 752
Re: Toyota Prius Software Problems [sganarelle] by sganarelle
Mar 31, 2005 (8:08 pm)

Replying to: sganarelle (Mar 31, 2005 7:50 pm)

Gagrice wrote:
 
"I read in the Wall Street Journal yesterday that JD Powers rated Toyota below average on reliability. They were 28th out of 39 brands."
 
I went to the J.D. Power website. The headline for the latest Dependability ranking by Manufacturer is as follows:

J.D. Power and Associates Reports:
Toyota Motor Sales Captures Top Corporate Ranking in Vehicle Dependability
 
While Toyota and Honda Continue to Dominate, the Big Three Domestics
Make Important Strides in Long-Term Quality Improvement
 
FOR IMMEDIATE RELEASE: June 29, 2004
#33 of 752
Re: Toyota Prius Software Problems [sganarelle] by gagrice
Mar 31, 2005 (8:13 pm)

Replying to: sganarelle (Mar 30, 2005 8:40 pm)

If you have been driving for more than a half century and never had a sudden failure then you are damned lucky.
 
Only one vehicle ever quit on me. I was driving on the LA freeway in an Aivs rental car that just died with me in the left lane. I was able to coast to the shoulder and was less than 100 feet from an emergency phone. That car was an AMC Pacer with just 13 miles on it. Avis brought me a Chevy something or another and I have not had a problem since. I do maintain my vehicles, any little noise is researched and fixed. I also don't put a lot of miles on a vehicle. My 7 yr old Suburban just turned 49k miles. Our 1990 Lexus LS400 has 84k miles on it. Both look like the day they were purchased new.
 
You are lucky that your Prius has operated flawlessly. Not all have had your good fortune. Oh, my two worst new vehicles a Honda & a Toyota.
#34 of 752
Re: Toyota Prius Software Problems [sganarelle] by gagrice
Mar 31, 2005 (8:25 pm)

Replying to: sganarelle (Mar 31, 2005 8:08 pm)

J.D. Power and Associates Reports:
 
I only know what I read in yesterdays WSJ. I should have kept it but gave it to the stewardess to dump. That was what caught my eye the rating of 28th out of 39 brands. I don't subscribe to the online WSJ, maybe someone that does can find it.
#35 of 752
Re: Toyota Prius Software Problems [sganarelle] by gagrice
Mar 31, 2005 (8:37 pm)

Replying to: sganarelle (Mar 31, 2005 8:08 pm)

FOR IMMEDIATE RELEASE: June 29, 2004
 
That was almost a year ago. Much has happened since then. I am talking yesterdays news. It really is not important, I take what JD Power and Consumer Report says with a grain of salt. It was the fact that so many on this forum live by those two sources that I repeated what I read.
#36 of 752
Re: Toyota Prius Software Problems [sganarelle] by gagrice
Mar 31, 2005 (8:57 pm)

Replying to: sganarelle (Mar 31, 2005 7:50 pm)

Must have been the National Inquirer. A search of the on-line Wall Street Journal found no such article.
 
As a matter of fact it was Customer Service Index study by JD Powers. Look it up Toyota is not the best automaker if you are experiencing a problem. In fact they are below all the big 3 brands. Here is the 2003 chart. I am sure the one in the WSJ was the 2004 that does not show any improvement in the way Toyota handles customer problems. Which is the reason for this thread, Poor customer service.
 
http://www.jdpa.com/presspass/pr/images/2003058afull.gif
#37 of 752
Re: Toyota Prius Software Problems [gagrice] by joebeatt
Apr 01, 2005 (12:10 am)

Replying to: gagrice (Mar 31, 2005 8:57 pm)

Now about the quality of the car, not the service of Toyota America:
 
Let's stick to JD Powers. Go to http://www.jdpower.com/cc/auto/auto.jsp# (new vehicle advisor).
 
Click: "Help me choose"
Click: "Compact" (then Next)
Click: "Mechanical Quality" and "Long Term Dependability" as being very important to you
Click: "Update List"
 
What do we see? Prius is number 1
 
Also please read:
 
http://www.consumerreports.org/main/detailv2.jsp?CONTENT%3C%3Ecnt_id=575861
 
Can we now stop bashing the Prius? As far as quality is concerned it is a very good car.
 
Also, let's go back to the topic of this thread "Toyota Prius Software Problems".

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