Reilas Posted February 5, 2018 Share Posted February 5, 2018 Hi, my 2005 Audi A6 3.0TDI have trouble shifting from 3rd to 4th shift. Did diagnostics, fault number P0783 (Shift Monitoring 3-4 Shift). Gearbox code AG6 09L. Any ideas? Quote Link to comment Share on other sites More sharing options...
WPAWS Posted February 5, 2018 Share Posted February 5, 2018 found this m8 https://www.troublecodes.net/pcodes/p0783/ Quote Link to comment Share on other sites More sharing options...
Reilas Posted February 5, 2018 Author Share Posted February 5, 2018 i was reading this article. Could it be solenoids? Other gears shifts perfectly, only 3rd to 4th doesn't want to shift properly. By the way it happened suddenly, yesterday gearbox was shifting all gears perfectly. So in my opinion oil doesn't have anything with that, probably Transmission Position Sensor. Quote Link to comment Share on other sites More sharing options...
niedzial1983 Posted February 5, 2018 Share Posted February 5, 2018 I can recomend planet gears in peterboroug They deal with zf6hp19a boxes . Quote Link to comment Share on other sites More sharing options...
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