P2718
Pressure Control Solenoid D Control Circuit/Open
Transmission pressure control
Generic OBD-II
Medium
What it means
P2718 means an open in the control circuit for transmission pressure control solenoid 'D', which regulates line pressure. It's a transmission fault and does not prevent the engine from starting.
Medium
Can I keep driving? Drivable short-term, but the transmission may shift harshly, slip, or drop into limp mode because line pressure isn't being controlled properly.
Common symptoms
What you'll notice
- Check-engine light on
- Harsh or erratic shifting
- Transmission slipping or limp mode
- Reduced or delayed gear engagement
Common causes
Most likely first
- Open or broken wire in the solenoid 'D' control circuitLikely
- Corroded or loose connector at the solenoid or TCMCommon
- Faulty pressure control solenoid 'D'Common
- Damaged internal transmission harnessLess often
- Faulty TCM/PCM driverLess often
How to diagnose & fix
Work through it in order
- Check transmission fluid level and condition.
- Read transmission codes and freeze-frame data.
- Inspect external and internal wiring/connectors for an open.
- Measure the solenoid resistance; replace the solenoid or internal harness if faulty.
- If wiring and solenoid are good, suspect the TCM/PCM. Clear and road-test.
FAQ
Quick answers
Is it safe to drive with P2718?+
Short trips at gentle throttle are usually okay, but harsh shifts and slipping can damage the transmission. Fix it soon.
Can I just clear P2718?+
It returns until the open circuit or solenoid is repaired.
Related codes
Often seen with P2718
Read & clear P2718 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.
✓ Verified name — SAE J2012 / ISO 15031-6Guidance reviewed by OBD DashX