DTC P0755 Shift Control Solenoid Valve B Circuit Malfunction: DTC Detecting Condition

DTC CHART

Item	Detecting Condition	Possible cause
DTC Strategy	Check voltage range	Open or short in circuit Faulty UD SOLENOID VALVE Faulty PCM/TCM
Enable Conditions	16V > Voltage Battery >11V In gear state (no gear shifting) 500msec is passed from turn on the relay A/T Relay = ON Engine state = RUN
Threshold value	Out of available voltage range
Diagnostic Time	More than 5 seconds
Fail Safe	Locked in 3rd gear. (Control relay off)