Do you have to Flash a new TCM to a mazda 06 ,3 ,2.3 .OR can you plug & play???

Question

verry intermintate shifts.i changed the mass air sensor.and worked for awhile.Now i think its the TCM mileage @  119 k. first really problem with the car? BUT A THOUSAND DOLLARS TO FIX !!! Must be a better way.....

Answer 1

You have to match the part number on the TCM , depending on where you get the TCM and if the TCM is updated and  programed into it. You would not need to reprogram Just make sure the part number match