Toyota VP Confirms Existence Of Black Box Software "Bug"

A top Toyota executive says the crash data boxes in its vehicles are reliable but a bug in the software that reads the information can provide inaccurate vehicle speeds.

The disclosure comes as the National Highway Transportation Safety Administration continues its investigation into unintended acceleration of Toyota models.



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Whelan - 9/14/2010 11:55:41 AM

+4 Boost

I swear I am thinking of downgrading to an even older car after this one. Less technology, more cables than wires. Means I'll be in control of the car and not the computers.

Joe_Limon - 9/14/2010 12:36:18 PM

0 Boost

I wonder how off their black boxes are? Are they all x mph off? or is it random between black boxes for the amounts and in what direction on a per vehicle, or even per time basis.

sstainba - 9/14/2010 5:35:33 PM

0 Boost

doesn't seem that much of anything in a toyota is reliable.

Terry989 - 9/15/2010 12:29:50 AM

+1 Boost

I think it is a cover story and they do not want investigators to dig any deeper. I'm not sure how something as simple as vehicle speed could not be stored reliably. Capture speed -> write to memory. How could the speed be unreliable?

thstone - 9/15/2010 4:28:21 PM

+1 Boost

They are most likely randomly overwriting parts of the same memory on subsequent data store commands. This would result in the data being correct sometimes and randomly incorrect other times.