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Silverado 1500 2WD V8-4.8L
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Engine Control Module
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Engine Control Module
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Description and Operation
Testing and Inspection
Locations
Component Locations
Engine Control Module (ECM)
Engine Control Module (ECM) X1
Engine Control Module (ECM) X2
Harness Locations
Engine Control Module (ECM) X1
Engine Control Module (ECM) X2
Service and Repair
Diagrams
Engine Control Module (ECM) X1
Engine Control Module (ECM) X1 (L20, L9H, LC9 or LMG)
Engine Control Module (ECM) X2 (L9H with Y91)
Engine Control Module (ECM) X2
Engine Control Module (ECM) X2 (LMG, LC9, LY5, LH6, L76, or L9H without Y91)
Engine Control Module (ECM) X3
Technical Service Bulletins
