What is a P1778 code?
The P1778 code is for the Transmission Step Motor. The Step Motor is inside the transmission.
What does P1777 mean?
The P1777 code means that there is a problem with transmission. You next step is to have the dealer or a transmission shop inspect the transmission.
What does P1778 Nissan step motor function mean?
P1778 NISSAN Meaning The step motor’s 4 aspects of ON/OFF change according to the signal from the Transmission Control Module (TCM). As a result, the flow of line pressure to the primary pulley is changed and the pulley ratio is controlled. This diagnosis item detects when the electrical system is OK, but the mechanical system is NG.
What to do when your Nissan P1778 Got you Down?
7)take a piece of dental floss about a foot long and hold the spring loaded arm back against the stepper motor and return the valve body back to the transmission. 8)after you have a few bolts in place remove the floss before you tighten all the way.
What are the possible causes of P1778 code?
P1778 Possible Causes 1 Faulty Step Motor 2 Step Motor harness is open or shorted 3 Step Motor circuit poor electrical connection
Is the Trans fluid pressure low on a P1778?
Because I do have a P1778 code. But I also have a P0868 which is “trans fluid pressure low”. I have the V6 model, not sure if that matters? BTW, I live in the counry about 30 miles from the Twin Cities, and I sometimes have to go there. The drivers on the road near and in the cities are much more aggressive drivers than us country folks.
What is the Nissan Altima transmission code P1778?
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.
P1778 NISSAN Meaning The step motor’s 4 aspects of ON/OFF change according to the signal from the Transmission Control Module (TCM). As a result, the flow of line pressure to the primary pulley is changed and the pulley ratio is controlled. This diagnosis item detects when the electrical system is OK, but the mechanical system is NG.
7)take a piece of dental floss about a foot long and hold the spring loaded arm back against the stepper motor and return the valve body back to the transmission. 8)after you have a few bolts in place remove the floss before you tighten all the way.
Because I do have a P1778 code. But I also have a P0868 which is “trans fluid pressure low”. I have the V6 model, not sure if that matters? BTW, I live in the counry about 30 miles from the Twin Cities, and I sometimes have to go there. The drivers on the road near and in the cities are much more aggressive drivers than us country folks.