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Home >> Chevrolet >> 2003 >> Venture Base, Van Passenger Extended >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> System Tests >> Malfunction Indicator Light Always On >> Description
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Malfunction Indicator Light Always On: Description

Ignition voltage is supplied to the Malfunction Indicator Light (MIL). The Powertrain Control Module (PCM) turns the MIL on by grounding the MIL control circuit.

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