Trying To Get 1st Gear Back In My Jeep! Part 1/3

My Jeep WJ has been without 1st gear for quite some time now. It is still drivable but not convenient. Hoping to resolve this in this video.

[@timothydetwiler313]

I HAVE A 2002 JEEP GRAND CHEROKEE 4.0 !!, AND IT'S DOING THE SAME THING !!, IT DOESN'T MAKE SENSE I CHANGE THE SENSOR THE SHIFT SOLENOID THE FILTER AND TRANSMISSION FLUID TWICE !!, AND STILL THE SAME PROBLEM . SOMETHING MIGHT BE THE THROTTLE CONTROL SENSOR OR THE TRANSMISSION MODULAR !! . 😮😮

[@timothydetwiler313]

DID YOU EVER FIND OUT WHAT IT WAS !!, OR WHAT HAPPENED WHAT'S YOUR JEEP ! .