have a vw phaeton 3.2 v6 2005 if you start the car then you can also see on the tacho where the automaik switch is so on p or n or d or s who you switch to d you are on the tacho gang 1 and so on with me is the error when I start the car everything runs nice and good but if I want to switch to d I can’t see it at the tacho at all it just stays yellow there don’t see from gang 1 or so and what I’ve noticed the ride doesn’t really take long he rolls kan n help me one what it is exactly whether it’s about control unit the automatic transmission is not running properly or what can it be because of tacho always remains so yellow ??????