With situations like this, it always helps to check a) your transmission fluid level and b) the last time you had a transmission service.
Also hook up a professional scan tool that can access codes from the TCM module. That might also give a hint if the issue is electrical, such as gear ratio, speed sensor, solenoid defect, TCM, and also may relate to transmission temperature.
Only have problem first gear hesitate s but not all time have had a wheel sensor installed didnt help but hesitates fine all other gears really dont thnk its fully transmission
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Also hook up a professional scan tool that can access codes from the TCM module. That might also give a hint if the issue is electrical, such as gear ratio, speed sensor, solenoid defect, TCM, and also may relate to transmission temperature.