GM Service Manual Online
For 1990-2009 cars only

Solenoid and Clutch Chart Tow/Haul

Range Status

Logic State

Clutch to Line

Pressure Control Solenoids

Shift Solenoids

TCC Sol.

PCS1

PCS2

SS1

SS2

SS3

 

Steady State

R

Low/Reverse Clutch

De-energized; Low and Reverse Clutch Applied

Energized; 3rd, 5th, and Reverse Clutch Applied

ON

ON

ON

OFF

Garage Shift

R-N

Low/Reverse Clutch

De-energizing; Low and Reverse Clutch Applied

Energizing; 3rd, 5th, and Reverse Clutch Trimming Off

ON

ON

ON

OFF

Garage Shift

N-R

Low/Reverse Clutch

De-energizing; Low and Reverse Clutch Trimming On

Energizing; 3rd, 5th, and Reverse Clutch Trimming On

ON

ON

ON

OFF

Steady State

N or P

Low/Reverse Clutch

De-energized; Low and Reverse Clutch Applied

De-energized; Exhausted

ON

ON

ON

OFF

Upshift

N-1

Low/Reverse Clutch

De-energized; Low and Reverse Clutch Applied

Energized; 1-2-3-4 Clutch Trimming On

ON

ON

ON

OFF

Downshift

1-N

Low/Reverse Clutch

De-energized; Low and Reverse Clutch Applied

Energized; 1-2-3-4 Clutch Trimming Off

ON

ON

ON

OFF

Steady State

1

1-2-3-4 Clutch

De-energized; Low and Reverse Clutch Applied

De-energized; 2-6 Clutch Exhausted

OFF

ON

OFF

OFF

Upshift

1-2

1-2-3-4 Clutch

Energized; Low and Reverse Clutch Trimming Off

Energized; 2-6 Clutch Trimming On

OFF

ON

OFF

OFF

Downshift

2-1

1-2-3-4 Clutch

Energized; Low and Reverse Clutch Trimming On

Energized; 2-6 Clutch Trimming Off

OFF

ON

OFF

OFF

Steady State

2

1-2-3-4 Clutch

Energized; 3rd, 5th, and Reverse Clutch Exhausted

Energized; 2-6 Clutch Applied

OFF

OFF

OFF

ON

Upshift

2-3

1-2-3-4 Clutch

De-energized; 3rd, 5th, and Reverse Clutch Trimming On

De-energized; 2-6 Clutch Trimming Off

OFF

OFF

OFF

ON

Downshift

3-2

1-2-3-4 Clutch

De-energized; 3rd, 5th, and Reverse Clutch Trimming Off

De-energized; 2-6 Clutch Trimming On

OFF

OFF

OFF

ON

Steady State

3

1-2-3-4 Clutch

De-energized; 3rd, 5th, and Reverse Clutch Applied

De-energized; 4-5-6 Clutch Exhausted

ON

OFF

OFF

ON

Upshift

3-4

1-2-3-4 Clutch

Energized; 3rd, 5th, and Reverse Clutch Trimming Off

Energized; 4-5-6 Clutch Trimming On

ON

OFF

OFF

ON

Downshift

4-3

1-2-3-4 Clutch

Energized; 3rd, 5th, and Reverse Clutch Trimming On

Energized; 4-5-6 Clutch Trimming Off

ON

OFF

OFF

ON

Steady State

4

4-5-6 Clutch

Energized; 3rd, 5th, and Reverse Clutch Exhausted

Energized; 1-2-3-4 Clutch Applied

ON

OFF

ON

ON

Upshift

4-5

4-5-6 Clutch

De-energized; 3rd, 5th, and Reverse Clutch Trimming On

De-energized; 1-2-3-4 Clutch Trimming Off

ON

OFF

ON

ON

Downshift

5-4

4-5-6 Clutch

De-energized; 3rd, 5th, and Reverse Clutch Trimming Off

De-energized; 1-2-3-4 Clutch Trimming On

ON

OFF

ON

ON

Steady State

5

4-5-6 Clutch

De-energized; 3rd, 5th, and Reverse Clutch Applied

De-energized; 2-6 Clutch Exhausted

OFF

OFF

ON

ON

Upshift

5-6

4-5-6 Clutch

Energized; 3rd, 5th, and Reverse Clutch Trimming Off

Energized; 2-6 Clutch Trimming On

OFF

OFF

ON

ON

Downshift

6-5

4-5-6 Clutch

De-energized; 3rd, 5th, and Reverse Clutch Trimming On

De-energized; 2-6 Clutch Trimming Off

OFF

OFF

ON

ON

Steady State

6

4-5-6 Clutch

Energized; 3rd, 5th, and Reverse Clutch Exhausted

Energized; 2-6 Clutch Applied

OFF

OFF

ON

ON

Solenoid and Clutch Chart Normal Mode

Range Status

Logic State

Clutch to Line

Pressure Control Solenoids

Shift Solenoids

TCC Sol.

PCS1

PCS2

SS1

SS2

SS3

 

Steady State

R

Low/Reverse Clutch

De-energized; Low and Reverse Clutch Applied

Energized; 3rd, 5th, and Reverse Clutch Applied

ON

ON

ON

OFF

Garage Shift

R-N

Low/Reverse Clutch

De-energizing; Low and Reverse Clutch Applied

Energizing; 3rd, 5th, and Reverse Clutch Trimming Off

ON

ON

ON

OFF

Garage Shift

N-R

Low/Reverse Clutch

De-energizing; Low and Reverse Clutch Trimming On

Energizing; 3rd, 5th, and Reverse Clutch Trimming On

ON

ON

ON

OFF

Steady State

N or P

Low/Reverse Clutch

De-energized; Low and Reverse Clutch Applied

De-energized; Exhausted

ON

ON

ON

OFF

Upshift

N-1

Low/Reverse Clutch

De-energized; Low and Reverse Clutch Applied

Energized; 1-2-3-4 Clutch Trimming On

ON

ON

ON

OFF

Downshift

1-N

Low/Reverse Clutch

De-energized; Low and Reverse Clutch Applied

Energized; 1-2-3-4 Clutch Trimming Off

ON

ON

ON

OFF

Steady State

1

1-2-3-4 Clutch

De-energized; Low and Reverse Clutch Applied

De-energized; 2-6 Clutch Exhausted

OFF

ON

OFF

OFF

Upshift

1-2

1-2-3-4 Clutch

Energized; Low and Reverse Clutch Trimming Off

Energized; 2-6 Clutch Trimming On

OFF

ON

OFF

OFF

Downshift

2-1

1-2-3-4 Clutch

Energized; Low and Reverse Clutch Trimming On

Energized; 2-6 Clutch Trimming Off

OFF

ON

OFF

OFF

Steady State

2

1-2-3-4 Clutch

Energized; 3rd, 5th, and Reverse Clutch Exhausted

Energized; 2-6 Clutch Applied

OFF

OFF

OFF

OFF

Upshift

2-3

1-2-3-4 Clutch

De-energized; 3rd, 5th, and Reverse Clutch Trimming On

De-energized; 2-6 Clutch Trimming Off

OFF

OFF

OFF

OFF

Downshift

3-2

1-2-3-4 Clutch

De-energized; 3rd, 5th, and Reverse Clutch Trimming Off

De-energized; 2-6 Clutch Trimming On

OFF

OFF

OFF

OFF

Steady State

3

1-2-3-4 Clutch

De-energized; 3rd, 5th, and Reverse Clutch Applied

De-energized; 4-5-6 Clutch Exhausted

ON

OFF

OFF

OFF

Upshift

3-4

1-2-3-4 Clutch

Energized; 3rd, 5th, and Reverse Clutch Trimming Off

Energized; 4-5-6 Clutch Trimming On

ON

OFF

OFF

ON

Downshift

4-3

1-2-3-4 Clutch

Energized; 3rd, 5th, and Reverse Clutch Trimming On

Energized; 4-5-6 Clutch Trimming Off

ON

OFF

OFF

OFF

Steady State

4

4-5-6 Clutch

Energized; 3rd, 5th, and Reverse Clutch Exhausted

Energized; 1-2-3-4 Clutch Applied

ON

OFF

ON

ON

Upshift

4-5

4-5-6 Clutch

De-energized; 3rd, 5th, and Reverse Clutch Trimming On

De-energized; 1-2-3-4 Clutch Trimming Off

ON

OFF

ON

ON

Downshift

5-4

4-5-6 Clutch

De-energized; 3rd, 5th, and Reverse Clutch Trimming Off

De-energized; 1-2-3-4 Clutch Trimming On

ON

OFF

ON

ON

Steady State

5

4-5-6 Clutch

De-energized; 3rd, 5th, and Reverse Clutch Applied

De-energized; 2-6 Clutch Exhausted

OFF

OFF

ON

ON

Upshift

5-6

4-5-6 Clutch

Energized; 3rd, 5th, and Reverse Clutch Trimming Off

Energized; 2-6 Clutch Trimming On

OFF

OFF

ON

ON

Downshift

6-5

4-5-6 Clutch

De-energized; 3rd, 5th, and Reverse Clutch Trimming On

De-energized; 2-6 Clutch Trimming Off

OFF

OFF

ON

ON

Steady State

6

4-5-6 Clutch

Energized; 3rd, 5th, and Reverse Clutch Exhausted

Energized; 2-6 Clutch Applied

OFF

OFF

ON

ON