Conditions For Clearing DTC

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The conditions for setting the DTC are no longer present.
A history DTC will clear after 40 malfunction free ignition cycles.
The Engine Control Module (ECM) receives the clear code command from the scan tool.