Operation CHARM
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GMC Truck
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1993
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Suburban 1/2 Ton 2WD V8-350 5.7L
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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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4L60-E Automatic Transmission
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Control Signals - Outputs
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Current Gear
Current Gear
This value represents current commanded gear of the shift solenoids. This value is determined by throttle position, transmission output speed, and fluid pressure switch assembly.