Operation CHARM
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GMC Truck
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1993
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K 1500 Truck 4WD V8-379 6.2L DSL
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Repair and Diagnosis
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Powertrain Management
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Engine Control Module
Engine Control Module
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Description and Operation
Testing and Inspection
Locations
Engine Control Module (ECM)
Powertrain Control Module (PCM)
Service and Repair
Light Duty
Vehicle Control Module (VCM) Replacement
Diagrams
Harness Connector
With Light Duty
Manual Transmission
4L60E Automatic Transmission
1 of 2
2 of 2
Technical Service Bulletins