yes with out the cable connected properly and you are going up a hill it will not go into passing gear. or downshift when needed.
It's called passing gear. It is normal.
If you press the gas pedal down far enough it will downshift into the next lower gear.
When climbing a steep incline. The automatic transmission will always try to engage a high gear.
Usually, it won't go into gear. If you get it into gear, you could cause serious damage to the transmission.
check tv cable, and modulator valve as a start
To manually control the shifting of the transmission. Either downshift, upshift or hold in a gear.
It is called the passing gear.
The transmission computer defaults to second gear when it detects a malfunction and sets a code.
How do you adjust a transmission passing gear cable on a 95 chevy tahoe /
Once the computer tells the transmission to downshift the car should in theory downshift just as quickly as it upshifts.
The compound word is "downshift."