What would make my 1992 Honda Accord not shift out of low gears. I?

What would make my 1992 Honda Accord not shift out of low gears. I?

Driving it too slow or a bad transmission.

Automatic transmission, I assume. If the speedometer no longer works either the Vehicle Speed Sensor is a very common fault. If the transmission control unit thinks the car is not moving it won't want to upshift.

Dynomite? LOL