Operation CHARM
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GMC Truck
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2004
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Sierra 2500 4WD V8-6.6L DSL Turbo VIN 2
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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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Testing and Inspection
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Symptom Related Diagnostic Procedures
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4L80-E/4L85-E Automatic Transmission
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Harsh Shift: D4 to D3, D2 or D1
Harsh Shift: D4 to D3, D2 or D1
