Operation CHARM
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Geo Truck
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1997
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Tracker 4x2 L4-1.6L VIN 6
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Repair and Diagnosis
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Transmission and Drivetrain
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Automatic Transmission/Transaxle
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Description and Operation
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03-72LE 4-Speed Automatic Transmission
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Electronic Control System
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Information Sensors
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Cruise Control Module
Cruise Control Module
The cruise control module sends a signal to the Powertrain Control Module
(PCM)
when the cruise control is engaged. The PCM uses this as one of the signals to control shifting timing of the 4th gear and torque converter clutch.