Operation CHARM
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Chevy Truck
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1993
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K 3500 Truck 4WD V8-393 6.5L DSL Turbo
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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
Locations
Engine Control Module (ECM)
Powertrain Control Module (PCM)
Service and Repair
Heavy Duty
Light Duty
Vehicle Control Module (VCM) Replacement
Diagrams
Harness Connector
With Heavy Duty
1 of 4
2 of 4
3 of 4
4 of 4
Technical Service Bulletins
