Conditions For Clearing MIL/DTC

2002 Chevrolet Monte Carlo LSSECTION Conditions For Clearing MIL/DTC

The PCM turns OFF the MIL lamp after 3 consecutive ignition cycles that the diagnostic runs and passes. A current, DTC last test fails, clears when the diagnostic runs and passes. A DTC stored in history clears after 40 warm-up cycles, if no failures are reported by this or any other emission related diagnostic. A scan tool can be used to clear the DTC.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.