Actions Taken When the DTC Sets

WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

When DTC C0277 is set as current, the vehicle will not start.
If the DTC sets while the vehicle is running, the BCM will activate the brake lights when the vehicles transmission is not in the PARK position and the vehicle is not accelerating.
For DTC C0277 4B the stop lamps may not activate at the expected brake pedal positions.