Conditions for Clearing the DTC

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

The DTC passes when the field duty cycle signal is greater than 5 percent for 30 seconds.
The EBCM clears a history DTC when the DTC does not fail in 100 consecutive drive cycles.
The charge indicator turns OFF when the DTC passes.