A drive cycle refers to a trip in which the operating parameters required for the PCM to run OBD II emissions-related monitors have been met.

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A drive cycle is a series of operational conditions (speed, temperature, time, etc.) that must be met for the Powertrain Control Module (PCM) to complete its tests or "monitors" for OBD II (On-Board Diagnostics, second generation) emissions-related systems.

A Drive Cycle Refers to a Trip in Which the Operating