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> Bosch is providing the hardware with a base software which is tuned/modified by the manufacturer. All the information that I have found so far says that the

> Bosch is providing the hardware with a base software which is tuned/modified by the manufacturer. All the information that I have found so far says that the engine manufacturer cannot change the software, just tweak parameters. Which means that the original test drive curve detection was provided by Bosch. This also makes sense given the fact that Bosch wrote a statement upon delivery to VW that they could not use that detection code for emission cheating. http://www.autonews.com/article/20150927/COPY01/309279989/bosch-warned-vw-about-illegal-software-use-in-diesel-cars-report-says http://www.autonews.com/article/20150927/COPY01/309279989/bo...

noselasd 11y ago
People did reverse engineer the Bosch software[1]. And it's entirely data driven. In short, you program it by tuning/changing its parameters, or as was the case with dieselgate, loading different drive profiles into the ECU. [1] https://media.ccc.de/v/32c3-7331-the_exhaust_emissions_scandal_dieselgate#video https://media.ccc.de/v/32c3-7331-the_exhaust_emissions_scand...
avs733 11y ago
>just tweak parameters. that over simplifies it a bit...there are likely hundreds of maps (effectively N-dimensional lookup matrices) and thousands or tens of thousands of variables and parameters. The difference is more akin to firmware/software.