A failed shift solenoid. Wiring or connector problems. Low or dirty fluid. A blown fuse.

P0755 Shift Solenoid "B"

Q: What does P0755 mean?

P0755 means there's a problem with transmission shift solenoid B, which can cause limp mode or bad shifts. The transmission computer found a problem with shift solenoid B, one of the valves that make the transmission change gears.

Transmission

P0755 means there's a problem with transmission shift solenoid B, which can cause limp mode or bad shifts.

The transmission computer found a problem with shift solenoid B, one of the valves that make the transmission change gears.

Can I keep driving? Yes, but get it fixed soon.

The transmission may go into limp mode or shift harshly. Drive gently and get it fixed soon.

Common causes

A failed shift solenoid
Wiring or connector problems
Low or dirty fluid
A blown fuse

Symptoms

Stuck in one gear
Harsh or missed shifts
Check-engine light

What to check first

Check fluid level and condition.
Check the fuse and the transmission's external connector.
Measure the solenoid's resistance.
Replace the solenoid or pack if needed.

What does P0755 mean on your vehicle?

The likely cause depends on your engine. iRepair researches your exact year, make, model and engine (service bulletins, recalls and owner reports) and tells you what to check first. Your first 3 questions are free.

Ask iRepair about P0755

No scanner? Most auto parts stores read check-engine codes for free.

Related codes

General guidance for P0755 on most vehicles. Some makers use the same code a little differently; confirm in the service information for your vehicle, put safety first, and see a professional when in doubt.