PCM/TCM control Pressure control solenoid valve by changed current for reducing shift shock.
This code is set when circuit open or short detected by PCM/TCM.
Item
Detecting Condition
Possible Cause
DTC Strategy
Monitoring voltage range(Circuit open/short check)
? Pressure Control Solenoid Valve : PCSV(LP. VFS)
Circuit open or short
PCSV
PCM/TCM
Enable Conditions
Completely opened or closed
Gaer tightening
After change of speed > 0.3sec
10V < Solenoid supplied power < 16V
Threshold value
50mA = Feedback current(Circuit short) = 550mA at operating
50mA > Feedback current (Circuit open ) at operating
Detecting Time
More than 0.2sec
Fail safe
Locked into 4th gear
Working temperature : -40?~150?
Internal resistance : 5.1 ± 0.3 O( 25? normal temperature )
Fig 1) Wave form of LP-VFS