95z28 automatic
#14
I've never heard of the Vehicle Speed Sensor being a problem with these fourth gens, what made you come to suspect that? The only problem a faulty sensor would cause is the wheel speed sensor not telling the ECU the correct amount of speed and your speedometer being off, but It wouldn't have anything to do with your tranny
#16
As I said before, your VSS does not affect your tranny and neither does your ESS(Engine speed sensor) unless it's throwing a VSS code, the incorrect speed readings to the ECU may cause slight trouble when shifting but shouldn't cause it to get stuck. Make sure your topped off with enough transmission fluid. Is it throwing any codes? SES on?
#17
failing vss can mess with the shifting but is not going to stop the linkage from shifting into park or neutral, that would have to do with the shift shaft or the valve body