Operation CHARM
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GMC Truck
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1993
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G 2500 3/4 Ton Van V8-379 6.2L DSL VIN J FI
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Repair and Diagnosis
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Powertrain Management
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Relays and Modules - Powertrain Management
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Relays and Modules - Computers and Control Systems
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Engine Control Module
Engine Control Module
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Description and Operation
Testing and Inspection
Locations
PCM W/Body Builder Junction Block
Powertrain Control Module (PCM)
Service and Repair
Diagrams
With Light Duty
1 of 2
2 of 2
With 4L60-E Transmission
Technical Service Bulletins
