P CODES (POWERTRAIN) P0700 - P0799 P0744 Questions

Hey Guys, I Have A 2002 Xterra 2wd With The V6 And Am Having Some Issues With The Transmission. The Car Was Bucking At Cruising Speeds On...

This Car Has Been My Baby For The Past 10 Yrs, I Just Gave It To My Son For His 17 B-day, A Week Later The Car Is Shifting Erratically(like...

Last Week Had No Fluid So I Added Some Did A Lucas Treatment Put Gas Treatment And Power Steering Fluid. Codes Are P0325, P0420 And P0744....

I Am Getting Code 1744 Or 744 On My Actron Code Reader. The P0744 Code Says Torque Converter Ckt Intermittent. My Transmission Repair...