Conditions for Clearing the DTC

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.

The condition responsible for setting the DTC no longer exists.
For DTC C0277 07 the ignition must be cycled before the code can be cleared.
For DTC C0277 4B a successful brake pedal position sensor calibration has been performed.
For DTC C0890 03 turn ignition OFF, open and close driver door, wait 10 min.
A history DTC will clear once 50 malfunction-free ignition cycles have occurred.
A DTC will not clear the current status until the next ignition cycle.