P0755 Code: Shift Solenoid B Malfunction
🟠 Moderate severity · drivable
Drivable, but shifting may be erratic. Fix it soon to avoid transmission damage.
What P0755 means
Shift solenoid B isn't working correctly. Shift solenoids control transmission fluid flow to change gears.
Symptoms
- Check engine light is on
- Harsh or erratic shifting
- Stuck in one gear
- Possible limp mode
Common causes
- most common: Faulty shift solenoid
- common: Low or dirty transmission fluid
- common: Damaged wiring or connector
How to fix it
| Fix | DIY? | Typical cost |
|---|---|---|
| Check and change the transmission fluid | Yes | $100–250 |
| Replace the shift solenoid | Mechanic | $200–500 |
Frequently asked questions
Can I drive with a P0755 code?
Yes, but shifting may be erratic. Fix it soon.
What is the most common cause of P0755?
A faulty shift solenoid or low transmission fluid.
How much does it cost to fix a P0755?
$100–$250 for a fluid change, or $200–$500 for a solenoid.
Related codes
P0756
P0756 Code: Shift Solenoid B Performance or Stuck Off
P0758P0758 Code: Shift Solenoid B Electrical
P0700P0700 Code: Transmission Control System Malfunction
Updated 2026-08. This page is informational and not a substitute for professional diagnosis.