You need to change the input and output sensors on the tranny
If the transmission computer detects a malfunction it defaults to second gear. It will have codes stored. Other causes include low fluid,and internal failure.
The solenoid pack is on the front of the transmission case below the cooler hoses.
No it will shift slow.
A seized up transmission can cause a Volkswagen Golf with an automatic transmission to not shift and racing RMPs after second. A worn gear can also prevent shifting.
ECG Power control the shift points for the automatic transmission. Push it in and your transmission will shift at a height RPM. It is good for towing. 2nd start is handy when you are in the snow and you are spinning your tires. It will force the transmission to start in 2nd gear making it more difficult for the engine to spin the tires from a stand still.
A bad transmission gear can cause your 1999 Nissan frontier to shift hard. Low transmission fluid can also cause the transmission to shift hard.
Many things are inputed to tell the tranny to shift. The Solonoid pack executes the shift, and the transmission control module tells it when to shift. A good resouce is www.allpar.com.
Transmission problem, you have to replace or get it repaired.
A 93 Deville that wont shift from second gear has most likely got an internal transmission problem. Unless the linkage is mis-adjusted, then the problem is onside of the transmission.
change your transmission fluid and transmission filter if the problem persists then your transmission is most likely no good.
You would need to take the shift cable off at the transmission and move the lever manually.
The transmission computer will default to second gear only when it detects a malfunction and sets a code.