GM Service Manual Online
For 1990-2009 cars only

Shift Solenoid Valve State and Gear Ratio 4L60-E/4L70-E

Gear

1-2 Shift Solenoid

2-3 Shift Solenoid

Gear Ratio

1

ON

ON

3.059:1

2

OFF

ON

1.625:1

3

OFF

OFF

1.000:1

4

ON

OFF

0.696:1