OBD Code P0749

Pressure Control Solenoid “A” Intermittent

What’s mean?

OBD2 Code P0749 Definition:
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).

Symptoms

Possible sumptoms of P0749
– Engine Light ON (or Service Engine Soon Warning Light) – Transmission shift shock

Possible Causes

Possible causes of P0749
– 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 The Error code is generally activated on detection of the following conditions: Engine Control Module (ECM) detectes an intermittent condition on the solenoid circuit

Possible Solutions