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Engine-Codes.com | All About OBDII Engine Codes

P0748 Subaru

P0748 Subaru - Pressure Control Solenoid 'A' Electrical

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P0748 Subaru Comments |  Add Comment
Possible causes
- Dirty transmission fluid
- Low transmission fluid level
- Faulty line pressure solenoid valve 'A'
- Line pressure solenoid valve 'A' harness is open or shorted
- Line pressure solenoid valve 'A' circuit poor electrical connection
Help with Possible causes What does this mean?
When is the code detected?
Engine Control Module (ECM) detectes an open or shorted condition on the solenoid circuit
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Transmission shift shock
P0748 Subaru 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).

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