What it means
Pressure control solenoid D shows intermittent electrical or hydraulic faults. Loose connector or marginal coil.
At a glance
- Usually lights the check-engine light
How it works
Pressure control solenoid D adjusts hydraulic pressure in response to commands from the TCM. The module monitors its electrical and pressure response over time. P2717 sets when that response is intermittent, such as when a loose connection, vibration, or temperature-sensitive coil causes the signal or pressure control to come and go.
Common causes
Most likely first.
- Solenoid connector not fully seated
- Coil resistance drifts with temperature
- Connector with intermittent contact under vibration
Symptoms
- Check-engine or transmission warning light may be on intermittently
- Shifting may become harsh, delayed, or inconsistent
- Transmission may briefly enter a reduced-function mode
How to diagnose it
- Save freeze-frame data and note whether the fault occurred during a particular temperature, speed, or shift condition.
- Review live data for solenoid D command and response, and see whether the reading changes as the transmission warms.
- Inspect the solenoid D connector for incomplete seating, corrosion, fluid, or terminals that may lose contact.
- With the vehicle safely stationary, check the harness and connector for an intermittent reading while gently moving the wiring as permitted by the manufacturer's procedure.
- If the connection is sound, test solenoid D coil readings cold and warm against the manufacturer's specification.
Common fixes
- Fully seat and secure the solenoid D connector.
- Clean or repair corroded, loose, or damaged connector terminals.
- Repair wiring that loses continuity with movement or vibration.
- Replace solenoid D if its coil reading becomes inconsistent with temperature.
Can I keep driving?
Shifting may become inconsistent without warning, so avoid towing and pay close attention to any loss of drive or gear engagement. If the transmission enters reduced-function mode or begins slipping, stop safely and arrange service.
A code shows where the control module detected a fault, not always which part failed. Check the causes in order and confirm with a test before replacing parts. Have several codes? Check them together
This is a generic code: it means the same on every make. The car’s maker may add more detail in its own service information.