Transmission issues

[Derek wiggett]

Hay guys I put a new automatic transmission in my truck. When you **** to drive it goes to 4th gear in manual mode and won't shift to another gear in drive. What is the problem and how to fix thanks derek

 

[Tach_tech]

Get the codes retrieved. That’s the first step.

 

[TXCOMT]

Hay guys I put a new automatic transmission in my truck. When you **** to drive it goes to 4th gear in manual mode and won't shift to another gear in drive. What is the problem and how to fix thanks derek

Could the problem be in your second sentence? I try not to do that in my truck!

TXCOMT

 

[Tach_tech]

Could the problem be in your second sentence? I try not to do that in my truck!

TXCOMT

Placing the shifter in drive and it shows 4th is an indication of limp in mode. 4th gear is limp mode.