Hummer H1 Service Manual page 284

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®
DTC P0742 Torque Converter Clutch Stuck On
C34
05745159
TORQUE
CONVERTER
PRESSURE
CLUTCH
CONTROL
SOLENOID
SOLENOID
(TCC)
(PCS)
D
C
S
C32-F
C32-E
C32-G
C27-C15
C27-C7
C28-C5
PCS
PCS
TCC PWM
LOW
HIGH
SOLENOID
CONTROL
Transmission/Transfer Case
HOT IN RUN
AND START
FUSE 2A
10A
EXTERIOR
C33-F
C34-E
1-2 SHIFT
SOLENOID
(1-2)
2-3 SHIFT
SOLENOID
(2-3)
B
A
C32-D
C32-C
C28-C6
C28-C4
2-3 SS
1-2 SS
SENSOR
CONTROL
CONTROL
GROUND
POWERTRAIN
CONTROL
MODULE
(PCM)
TRANSMISSION
FLUID
TEMPERATURE
SENSOR
(TFT)
M
L
C32-J
C32-H
C29-B12
C27-C9
TFT
SENSOR
SIGNAL
9 - S 1 2 - 0 6 7
5-85

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