Conditions for Clearing the DTC
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- The Vehicle Communication Interface Module detects the microphone connected for 5 consecutive 100 millisecond cycles.
- A history DTC clears after 50 malfunction free ignition cycles.
- The Vehicle Communication Interface Module receives the clear DTC command from the scan tool.