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I'm confused. My understanding is that all cars showed discrepancies between in-lab and on-road tests, due to overoptimizing the ECU for lab conditions. Howeve
by anticristi 6y ago
I'm confused. My understanding is that all cars showed discrepancies between in-lab and on-road tests, due to overoptimizing the ECU for lab conditions.
However, AFAIU, only VW had an "if in_lab: reduce_polution()" line in their ECU. It could be that the "final result" was the same, but the intentionality behind it was waaay stronger for VW.
- mywittyname 6y agoWell, all of the companies using Bosch EDC 16 & 17 control systems were doing effectively the same thing. My understanding is that Bosch includes facilities for detecting dyno use "for testing purposes" and that manufactures were using these flags in production cars. VW was apparently a lot more brazen and aggressive in triggering it. While Mercedes and FCA were a big more judicious about it. I don't think BMW's case has made it through the court system yet though.