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Home >> Cadillac >> 2003 >> DeVille DHS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> System Tests >> Malfunction Indicator Lamp Always On >> Test Description
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Test Description

The number below refers to the step number in the diagnostic procedures.

  1. 2

    This step determines if the condition is with the MIL control circuit or the PCM.

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