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P0745 2004 NISSAN ALTIMA SEDAN

P0745 2004 NISSAN ALTIMA SEDAN - Line Pressure Solenoid Valve Fault

Possible causes
- Low transmission fluid level
- Dirty transmission fluid
- Faulty line pressure solenoid valve
- Line pressure solenoid valve harness is open or shorted
- Line pressure solenoid valve circuit poor electrical connection
Tech notes
When the a transmission solenoid is malfunction, in most cases the problem is not the electrical part of the solenoid; the problem is foreign material obstructing the mechanical function of the solenoid or the flow of the fluid through the transmission valve body. If the transmission fluid is very dirty, it is recommend changing the transmission fluid and if possible removing the transmission pan for further diagnosis. Excessive debris or metal particles on the transmission pan could be an indication that there is a transmission mechanical failure and that the transmission will need to be rebuilt or replaced.

There is a factory service bulletin for the following Nissan Models:

2003 Nissan Altima
2004 Nissan Altima
2005 Nissan Altima
2003 Nissan Sentra
2004 Nissan Sentra
2005 Nissan Sentra
2003 Nissan Maxima
2004 Nissan Maxima
2004 Nissan Quest
Nissan Factory Service Bulletin OBDII Code P0745
When is the code detected?
The P0745 is detected when TCM detects an improper voltage drop when it tries to operate the solenoid valve.
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Transmission shift shock
P0745 2004 NISSAN ALTIMA SEDAN Description
The line pressure solenoid valve regulates the oil pump discharge pressure to suit the driving condition in response to a signal sent from the Transmission Control Module (TCM).
OBDII Code P0745 2004 NISSAN ALTIMA SEDAN - Line Pressure Solenoid Valve Fault
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