Conditions for Clearing the DTC

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

If the HVAC control module no longer detects a condition, then the DTC will become history.
The history DTC will clear after 50 ignition cycles without a condition.
The DTC can be cleared with a scan tool.