P0755 Shift Solenoid B
What does P0755 mean?
P0755 — Shift Solenoid B. This is an OBD-II diagnostic trouble code a scanner retrieves when your vehicle's computer detects shift solenoid b. The level of risk depends on how the vehicle is currently running and how long you've been driving with the light on.
Common causes of P0755
- Failed shift solenoid B
- Open or shorted solenoid wiring
- Contaminated or damaged valve body
- Corroded connector
- Faulty TCM
How to fix P0755
- Check transmission fluid level and condition
- Observe command vs actual gear with a scan tool
- Inspect the harness and connector at the transmission
- Test solenoid B resistance and command
- Replace the solenoid or repair wiring and verify shifts