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Home >> GMC >> 2003 >> Jimmy 2D Utility, Part Time, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (Engine Controls Self-Diagnostics) >> System Tests >> Malfunction Indicator Lamp Always On >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

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.