Parts
$20-500
P0756 — Shift Solenoid B Performance / Stuck Off
CAUTIONIs it safe to drive? Shift solenoid B is stuck off or not performing. The trans may default to limp mode — avoid highway driving.
What P0756 means
Solenoid B is electrically okay but not actuating the hydraulic circuit as commanded. Mechanical sticking in a dirty valve body is common. Exact gear impact is make-specific.
Most likely causes (in order)
- Stuck solenoid B (valve body debris)
- Burnt or contaminated fluid
- Internal valve body wear
- Failed solenoid
Symptoms you might notice
- Limp mode / stuck in gear
- Flare or slipping on specific shift
- Harsh engagement
What to check first
Drop the pan, check fluid condition, and inspect the solenoid and valve body screen for debris. Command it with a scanner while watching live data.
Repair cost & difficulty
Labor
1-6 hr
Difficulty
Moderate