Possible causes
– Dirty transmission fluid
– Low transmission fluid level
– Faulty governor pressure solenoid valve
– Governor pressure solenoid valve harness or connectors
– Governor pressure solenoid valve circuit is open or shorted
– Low transmission fluid level
– Faulty governor pressure solenoid valve
– Governor pressure solenoid valve harness or connectors
– Governor pressure solenoid valve circuit is open or shorted
When is the obd code mean?
Engine Control Module (ECM) detectes an open or shorted condition on the solenoid circuit
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Transmission shift shock
– Transmission shift shock
P0748 DODGE OBD Code Description
The governor 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).