Operation CHARM
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GMC Truck
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1994
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G 1500 1/2 Ton Van V6-262 4.3L VIN Z
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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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Engine Control Module
Engine Control Module
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Description and Operation
Locations
Control Module Mounting Locations
Powertrain Control Module (PCM)
Service and Repair
Diagrams
C308 (Blue)
C311 (Red)
With 4L60-E Transmission
With 4L80E Automatic Transmission
Technical Service Bulletins
