Question about 2000 Volkswagen Jetta TDI
The car seems to shift fine from 1st to 2nd gear. At what would be 3rd gear it doesn't shift and the rpm goes up to about 4000 and then when it finally does shift, the car is now going at a speed of about 50mph. Car was taken in the speed sensor was replace (due to error code being thrown) the transmission was taken apart and nothing was found. Now they think it is the transmission modulator. Mechanic says they have seen that the software needed to be updated, but when the dealership was asked they said there were no known software updates needed. How or what could be wrong with my car.
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Posted on Jan 02, 2017
SOURCE: Road speed sensor
So the diagnostic code says the speed sensor is bad in the transmission? Make sure all the wires are tight to the transmission and in good shape. If they are you probably need to replace the sensor. If the transmission controller doesn't get the correct speed values it would cause some problems shifting. Wiring to a transmission can cause faults since the wires are subjected to heat and vibration. If you can't find any problems with the wiring or the wiring connectors it just might be the sensor is bad (stuff fails).
I do have to say that I am not sure what G-68 means. The diagnostic codes are usually five digit numbers with maybe a letter.
Posted on Sep 09, 2008
I have a 2002 hetta and i had same problem. The problem is with the N92 selenoid. My machanic changed it last week and now everything is normal.
Check this forum.
Posted on Jul 14, 2009
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