Hi Dan,
I really appreciate, that you answer on yours customers questions regarding the H185 update!! I have asked the Austrian Jaguar Customer support and I did not get any answer since weeks!
I doubt, that for petrol engines only the stop/start feature was updated. I let the H185 Software update applied into my car (2.0T) and my User expierences with my Jag after the application is a different one.
1) I always switch off the stop/start feature like "june16", so no difference at this point.
2) I encountered a different engine behaviour during the cold start phase. The engine is changing the high rpm between 1600rpm and 1500rmp in a 2 sec interval until the warm-up sequence is finished.
3) I recognized a slightly higher fuel consumption of about 0,5 and 0,8 ltr.
4) It seems to me, that the switching cycle of the automatic gear was changed, so the automatic gear switches earlier than in the past (in the Normal setting mode).
5) The engine sound became muffled, so the exhaust sound changed accordingly.
6) I think, that in the "Normal Mode" the car is noticeable more inharmonious. For smooth riding, the "Eco Mode" is the new choice, which was not the case before the H185 update.
In general: My car was a hissing jaguar before the update and after applying H185 it is now a purring cat!
So I would really appreciate if I can get in detail , what the H185 update changes in the engine, I think, it is not only the stop/start behavior.
best regards
Alfred