GM Service Manual Online
For 1990-2009 cars only

Range Reference Chart

Range

Park

Reverse

Neutral

OD

D

2

1

Gear

N

R

N

1st

2nd

3rd

4th

1st

2nd

3rd

1st

2nd

1st

2nd

@1-2 Shift Solenoid

ON

ON

ON

ON

OFF

OFF

ON

ON

OFF

OFF

ON

OFF

ON

OFF

@2-3 Shift Solenoid

OFF

OFF

OFF

OFF

OFF

ON

ON

OFF

OFF

ON

OFF

OFF

OFF

OFF

Fourth

Clutch

--

--

--

--

--

--

A

--

--

--

--

--

--

--

Overrun Clutch

--

--

--

--

--

--

--

A

A

A

A

A

A

A

Overdrive Roller Clutch

H

H

H

H

H

H

OR

A

A

A

A

A

A

A

Forward Clutch

--

--

--

A

A

A

A

A

A

A

A

A

A

A

Direct Clutch

--

A

--

--

--

A

A

--

--

A

--

--

--

--

Front Band

--

--

--

--

--

--

--

--

--

--

--

A

--

A

Intermediate Sprag Clutch

--

--

--

*

H

OR

OR

*

H

OR

*

H

*

H

Intermediate Clutch

--

--

--

--

A

A

A

--

A

A

--

A

--

A

Lo Roller Clutch

--

--

--

H

OR

OR

OR

H

OR

OR

H

OR

H

OR

Rear Band

--

A

--

--

--

--

--

--

--

--

--

--

A

--

  • A = Applied
  • H = Holding
  • OR = Overrunning
  • * = Holding but not effective
  • ON = The solenoid is energized.
  • OFF = The solenoid is de-energized
  • @ = The solenoid's state follows a shift pattern which depends upon vehicle speed and throttle position. The pattern does not depend upon the selected gear.