A few week ogo i was pulling my caravan back from a weekend away when the engine started to race the gears went up and down the instrument panel went dead then back to normal then dead and so on it did this several times the result was no tiptronic and the gear selector constantley reading d n r s in red after it has been on the machine a fault showing the tip tronic circuit board so this has been replaced at a cost of £240.00. It changes gear fine and i can select sports mode but no tip tronic only occsiononally will it start up and in the d position it will be in 12345 switch of and it goes back to D N P R S your oppinion please as i understand if the problem is in the gear box its gear box out am i correct thanks.Please reply to [email protected]
SOURCE: Allroad Tiptronic Gearbox "holding" gears before changing up.
Have you had the vehicle put on a diagnostic machine, does the car feel slugish, any lack of power, we have seen a lot of these vehicles with air mass sensor faults. When they fail they do not show a code but with the right scanner they can be seen not working. This affects the gearchange because the ecu does not have the correct data to shift. Of course it could also be the transmission is in need of overhaul. but i would take it to a good diagnostic garage first. It is not uncommon for the air mass sensor to fail after it has been disturbed or knocked in the workshop. we have never found out why.
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