Yes, it could.
That is True.. A faulty speed sensor will cause no shift or late shift..
In most cases, you will find the speed shift sensor for your 1998 Chevy Blazer located on the backside of your transfer case. The transfer case is located on the transmission.
The trans is electronically shifted so the sensor being bad is a likely cause.
Yes it sure can.
Modulates pressure that controls shift points.
Speed sensor on Trans, or buffer behind dash... OR, any broken wires in this circuit. Very common problem on this and many other vehicles.
Inside the transmission pan area.
you have to take the transmissionpan off and it is located at the end closest to the engine.
If your 1997 Chevy diesel will not shift into overdrive, you might have an issue with a transmission sensor. Some of these vehicles have several sensors that must engage in order to shift.
When not used, they do get stuck and hard to shift. I had this with my 93. I put it in neutral and forced it into 4 wheel low. After it went, it is now easier to shift into.
It is bolted into the valve body in the transmission. You will have to remove the transmission pan that is bolted to the bottom of the transmission to service the shift solenoids.
Answerthe vehicle speed sensor can cause this problem or it can be the thermostat.i had the same problem and it worked for me.