Operation CHARM
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Chevrolet
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1992
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C 1500 Truck 2WD V8-454 7.4L
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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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
Control Module
Electronic Control Module (ECM)
Powertrain Control Module (PCM)
Service and Repair
Diagrams
Harness Connector
With 4L60-E Transmission
With 4L80E Automatic Transmission
Technical Service Bulletins
