P0733 Code 545RFE transmission.

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my truck was stalling in the mornings or after a few hours shut off when going from reverse to drive. Then it went into limp mode one day 3rd gear. I could manually shift in to second but not first never slipped in any gear. even when in limp mode. code was P0750 shift solenoid A. So i replaced with new shift solenoid and now i have a P0733 code 3rd gear ratio incorrect. thought maybe it was a faulty shift solenoid again so i replaced that one and have same problem. transmission filters are new auto zone brand. fluid is new and input and output speed sensors are new. I need some help.