Sierra Classic 2500 4WD V8-6.0L (2007)
6. Install the TCC PWM solenoid to the control valve body.
7. Install the TCC PWM solenoid retainer.
8. Connect the internal wiring harness electrical connectors to the following components:
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Transmission fluid pressure switch (1)
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1-2 shift control solenoid (2)
^
2-3 shift control solenoid (3)
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Pressure control solenoid (4)
^
TCC PWM solenoid (5)
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3-2 control solenoid (6)
9. Install the 1-2 accumulator. Refer to Accumulator Assembly, Spacer Plate, and Gaskets.
10. Connect the transmission harness 20-way connector (1) to the transmission pass-through connector. Align the arrows on each half of the connector
and insert straight down.
11. Install the transmission filter. Refer to Automatic Transmission Fluid and Filter Replacement.
12. Important:
It is recommended that transmission adaptive pressure (TAP) information be reset.
Resetting the TAP values using a scan tool will erase all learned values in all cells. As a result, the engine control module (ECM), powertrain
control module (PCM) or transmission control module (TCM) will need to relearn TAP values. Transmission performance may be affected as new
TAP values are learned.
Reset the TAP values. Refer to Transmission Adaptive Functions.
