4R44E-5R55E ziP KiT
installation & Testing Booklet
©2012 Sonnax Industries, Inc.
4R44E-5R55E-ZIP-Booklet 01-26-12
800-843-2600 • 802-463-9722 • F: 802-463-4059 • www.sonnax.com
Page 5
TIME TESTED • INDUSTRY TRUSTED
Apply Component Chart
GEAR
Shifter
Position
Fr
ont Band
Intermediated Band
Reverse Band
Coast Clutch ‘95-‘96
Coast Clutch ‘97-‘00
Dir
ect Clutch
Forwar
d Clutch
Front
One-Way
Clutch
Reverse
One-Way
Clutch
4R44E/
4R55E
5R55E
Drive
Coast
Drive
Coast
Reverse
Reverse
Reverse
A
A*
A
H
OR
†
1st
1st
Overdrive
A*
A
H
OR
†
H
OR
2nd
Overdrive
A
A
OR
OR
H
OR
2nd
3rd
Overdrive
A
A*
A*
A
H
OR
†
OR
OR
3rd
4th
Overdrive
A*
A*
A
A
H
OR
†
OR
OR
4th
5th
Overdrive
A
A
A
OR
OR
OR
OR
Manual 2
Position
Manual 2
Position
2
A
A
A
A
H
OR
OR
OR
Manual 1
Position
Manual 1
Position
1
A
A
A
A
H
OR
H
OR
Planetary Component
FRS
FS
RP
FRS
FRS
FS
FR
FRS
RP
Figure 8
A = Applied
H = Holding
OR = Overrunning
* = Applied, TCS on
†
= Ineffective, TCS on
FRS = Front Sun Gear
FS = Forward Sun Gear
RP = Reverse Planet Assembly
FR = Forward Ring Gear
Apply Component Chart Key:
Solenoid Apply Chart
Transmission
Range Selector
Lever Position
Powertrain Control Module
(PCM) Gear Commanded
Shift Solenoids
SSA
SSB
SSC
SSD/CCS
4R44E/4R55E
5R55E
Park/Neutral
Park/Neutral
Park/Neutral
On
Off
Off
Off
Reverse
Reverse
Reverse
On
Off
Off
Off
Overdrive
(TCS Off)
1
1
On
Off
Off
Off
2
On
Off
On
Off
2
3
On
On
Off
Off
3
4
Off
Off
Off
Off
4
5
Off
Off
On
Off
Overdrive
(TCS On)
1
1
On
Off
Off
Off
2
On
Off
On
On*
2
3
On
On
Off
On*
3
4
Off
Off
Off
On
Manual 2nd
2
3
On
On
Off
On
3
A
4
A
Off
Off
Off
On
Manual 1st
1
1
On
Off
Off
On
2
A
On
Off
On
On
2
A
*
On
On
Off
On
Figure 9
A = When a manual pull-in occurs above calibrated speed, the transmission will not downshift
until the vehicle speed drops below this calibrated speed.
* = Model and calibration dependent.
Apply Component Chart Key:
