Powertrain
generic / SAE
P0755
Shift Solenoid "B" Malfunction
An electrical or hydraulic fault in shift solenoid A. Shift solenoids open or close hydraulic passages inside the valve body to engage the right clutch pack for each gear; a stuck or shorted solenoid causes harsh shifts, no-shift, or limp-home.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number7 / 55
Possible causes
- Solenoid stuck high
- Open or shorted winding medium
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
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1.5–8 h
- Component: shift solenoid
- Component: transmission valve body
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012