Conditions for Clearing the DTC
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
- The DTC will become history if the HVAC control module no longer detects a condition.
- The history DTC clears after 50 fault free ignition cycles.
- The DTC can be cleared with a scan tool.