Can a CVT transmission step motor be replaced?
Even though this is not a genuine Nissan original equipment cvt transmission step motor , but it works even better and lasts longer at a much lower price. Save time and hundreds of dollars by replace the cvt transmission step motor nissan yourself. WHAT YOU’LL GET – 1 x 3.5L Stepper Motor.
What is the code for the CVT stepper motor?
To keep it simple, the stepper motor can extend or retract, moving the position of the ratio control valve. The transmission control module knows that the stepper motor controls the ratio. When it sees a ratio issue, it blames the stepper motor and sets stepper motor code P1778.
How to fix stepper motor on valve body?
Drained fluid almost 7qts and went to installing stepper motor on valve body. I cleaned pan sealed it all up and filled with Nissan ns2 cvt fluid. (6qts to fill line on dip). Car ran great now and no longer revs out before engaging until warm. She drove to work about an hour drive and about 45min in same problem.
What is the stepper code on a JATCO CVT?
If you’ve had to diagnose a Jatco CVT transmission by now, chances are you’ve seen the familiar stepper motor code, P1778. The stepper motor is one of the most over-replaced parts in these CVTs.
What does stepper motor do on Nissan club?
The stepper motor has nothing to do with pump output which cannot be blocked other than by a pressure regulator. The stepper actually controls the spread of the primary pulley halves to change the effective gear ratio as needed. It is basically the shift control there.
Drained fluid almost 7qts and went to installing stepper motor on valve body. I cleaned pan sealed it all up and filled with Nissan ns2 cvt fluid. (6qts to fill line on dip). Car ran great now and no longer revs out before engaging until warm. She drove to work about an hour drive and about 45min in same problem.
How does the stepper motor control the gear ratio?
The stepper motor operates jointly with the valve, controlling the gear ratio. This valve ensures 3 basic states: filling in, backup, and release. The hydraulic fluid pressure determines positions of pulley cones in CVT.
Which is Nissan Altima transmission doesn’t shift?
I have a 2012 Nissan Altima with code p1778 which my transmission doesn’t shift stays in low gear and the code said a step motor malfunction. So I replaced the whole valve body just in case. While I took the valve body I saw the belt since its a CVT transmission its right there and it looked good and the pulley looked also good.