GM Service Manual Online
For 1990-2009 cars only

Line Pressure (4L30-E)

Transmission Mode

Selector Lever Position

Main Pressure (Pressure Gauge)

Pressure Control Solenoid Current (Amp)

Mode vs Pressure at Idle Speed

Economy/Sport

D, 3, 2, 1

1000-1100 kPa

165 mA

Winter

D

300-350 kPa

970 mA

Economy/Sport

R

400-500 kPa

970 mA

Mode vs Pressure at Stall Speed

Economy/Sport

D, 3, 2, 1

1000-1100 kPa

165 mA

Winter

D

1000-1100 kPa

165 mA

Economy/Sport

R

1450-1550 kPa

165 mA