Operation CHARM
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GMC Truck
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1994
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S15/T15 Sonoma P/U 4WD 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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Relays and Modules - Computers and Control Systems
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Engine Control Module
Engine Control Module
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Description and Operation
Powertrain Control Module (PCM)
Vehicle Control Module (VCM)
Locations
Assembly View
Pictorial View
Powertrain Control Module (PCM)
Vehicle Control Module (VCM)
Service and Repair
Powertrain Control Module (PCM) Replacement
Vehicle Control Module (VCM) Replacement
Diagrams
Harness Connector
With Automatic Transmission
Red Connector
Blue Connector
With Manual Transmission
with PCM
With Automatic Transmission
With Manual Transmission
With VCM
Vehicle Control Module (VCM) Connectors
VCM Pinout/Terminal ID Charts
Red Connector
Blue Connector
Gray Connector
Specifications
Technical Service Bulletins
