Silverado 3500 2WD V8-6.6L DSL Turbo VIN 2 (2004)
Engine Control Module: Description and Operation
Turbocharger
ENGINE CONTROL MODULE (ECM)
The ECM controls all turbocharger control functions. The ECM monitors information from various sensor inputs that include the following:
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The accelerator pedal position (APP) sensor
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The engine coolant temperature (ECT) sensor
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The mass airflow (MAF) sensor
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The intake air temperature (IAT) sensor
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The vehicle speed sensor (VSS)
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The transmission gear position or range information sensors
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The boost pressure sensor
