Conditions for Running the DTC
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
In order to detect a continuously low or high TC2 mode switch signal:
The ignition is ON.
OR
In order to detect a continuously pressed TC2 mode switch:
- The ignition is ON.
- The engine speed is greater than 450 RPM.