P0745Pressure Control Solenoid "A"
What it means
The transmission control sees an electrical fault (usually an open circuit) in the pressure control solenoid "A" circuit.
Symptoms
- Harsh, late or missing shifts
- Transmission stuck in one gear (limp mode)
- Check engine or gearbox warning light
Common causes
- Open solenoid winding
- Wiring or connector fault (often the transmission harness or its plug)
- Transmission control module fault
What to check first
- Measure the solenoid resistance through the transmission connector
- Check the connector for transmission fluid wicking into it
- Check supply and control with a scan tool actuation test
Generic OBD-II meaning. Manufacturer-specific meanings and checks can differ; always check the service information for the car.