P0745
P0745 - Pressure Control Solenoid Malfunction
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Possible causes
- Faulty line pressure solenoid valve
- Line pressure solenoid valve harness or connectors
- Line pressure solenoid valve circuit is open or shorted
- Low transmission fluid level
- Dirty transmission fluid
- Line pressure solenoid valve harness or connectors
- Line pressure solenoid valve circuit is open or shorted
- Low transmission fluid level
- Dirty transmission fluid
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.
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
- Transmission shift shock
P0745 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).
P0745 Information for specific makes
P0745 ACURA
P0745 BMW
P0745 FORD
P0745 HYUNDAI
P0745 INFINITI
P0745 JEEP
P0745 KIA
P0745 MAZDA
P0745 MITSUBISHI
P0745 NISSAN
P0745 SUZUKI
P0745 BMW
P0745 FORD
P0745 HYUNDAI
P0745 INFINITI
P0745 JEEP
P0745 KIA
P0745 MAZDA
P0745 MITSUBISHI
P0745 NISSAN
P0745 SUZUKI
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