P0750
Shift Solenoid A
Transmission — shift control
Generic OBD-II
Medium
What it means
P0750 flags a problem with shift solenoid A, one of the electrically controlled valves the transmission uses to change gears. When it doesn't operate correctly, shifts can become harsh, erratic, or missed, and the transmission may fall back into a safe "limp" gear. The engine still starts and runs — the issue is with gear changes, not with running the engine.
Medium
Can I keep driving? Often driveable, but the transmission may drop into limp mode (one gear) — drive gently to a shop; it won't stop the engine from starting.
Common symptoms
What you'll notice
- Harsh, erratic, or missed shifts
- Transmission stuck in one gear (limp mode)
- Slipping or wrong-gear engagement
- Reduced acceleration
- Check-engine light on
Common causes
Most likely first
- Failed shift solenoid ALikely
- Damaged wiring or corroded connector in the solenoid circuitCommon
- Low or contaminated transmission fluid affecting solenoid operationCommon
- Sticking or debris-clogged valve body passageLess often
- Failed transmission control module (rare)Less often
How to diagnose & fix
Work through it in order
- Read freeze-frame data and check for related shift-solenoid codes.
- Check the transmission fluid level and condition; service if dirty or low.
- Inspect the solenoid wiring and connector for damage or corrosion.
- Measure the shift solenoid's resistance and actuate it with a scan tool; replace if it fails to respond or is out of spec.
- If the solenoid checks out, inspect the valve body. Clear the code and road-test.
FAQ
Quick answers
Is it safe to drive with P0750?+
You can usually limp it to a shop, but if it's stuck in limp mode expect no downshifts and weak acceleration. Avoid long trips until it's fixed.
Can I just clear P0750?+
Clearing may restore normal shifting briefly, but the fault returns until the solenoid, wiring, or valve body issue is repaired.
Related codes
Often seen with P0750
Read & clear P0750 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