OBD-II code · Powertrain (generic)
P0755 Shift Solenoid "B" Malfunction
Shift Solenoid "B" Malfunction: the component is malfunctioning. Shift solenoids route transmission hydraulic pressure to engage the gears; faults cause harsh, delayed, or missed shifts.
Is it safe to drive with P0755?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySolenoid stuck
- PossibleOpen or shorted winding
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1.5–8 h
- Emissions test
- Usually unaffected
- Parts involved
- Shift Solenoid, Transmission Valve Body
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.