Conditions for Setting 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.
Either of the following conditions may cause DTC B3626 to set:
- The TC2 mode switch signal is detected as excessively low or high for 200 milliseconds.
- The TC2 mode switch is detected as pressed for 60 seconds.