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