GM Service Manual Online
For 1990-2009 cars only

Range

Gear

Shift

Sol. A

Shift

Sol. B

Shift

Sol. C

1st

1-Way Clutch

Coast

Clutch

2nd

Clutch

3rd

Clutch

4th

Clutch

5th

Clutch

Servo

Valve

Park

N

OFF

ON

OFF

--

--

--

--

--

--

RVS

R

R

OFF

ON

OFF

--

--

--

--

--

--

RVS

R

OFF

ON

ON

--

--

--

--

--

--

RVS

N

ON

ON

ON

--

--

--

--

--

--

FWD

N

N

OFF

ON

OFF

--

--

--

--

--

--

FWD/RVS

D/I

1

ON

ON

ON

APPLIED

--

A**

--

--

--

FWD

1-2

ON

ON

ON

APPLIED*

--

A

--

--

--

FWD

2

ON

ON

OFF

APPLIED*

--

APPLIED

--

--

--

FWD

2-3

OFF

ON

OFF

APPLIED*

--

A

B

--

--

FWD

3

OFF

ON

ON

APPLIED*

--

--

APPLIED

--

--

FWD

3-4

OFF

OFF

ON

APPLIED*

--

--

B

A

--

FWD

4

OFF

OFF

OFF

APPLIED*

--

--

--

APPLIED

--

FWD

4-5

ON

OFF

OFF

APPLIED*

--

--

--

A

B

FWD

5

ON

OFF

ON

APPLIED*

--

--

--

--

APPLIED

FWD

L

1

ON

ON

ON

APPLIED

B

A**

--

--

--

FWD

1-2

ON

ON

ON

APPLIED*

B

A

--

--

--

FWD

2

ON

ON

OFF

APPLIED*

--

APPLIED

--

--

--

FWD

    • APPLIED* = Applied 1-Way Clutch
    • A = Controlled by Clutch Pressure Control Solenoid A Directly
    • A** = Solenoid De-energized
    • B = Controlled by Clutch Pressure Control Solenoid B Directly