Conditions for Clearing the DTC

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

A current DTC B2705 will clear when the malfunction is no longer present and the ignition switch is cycled.
A history DTC will clear after 100 ignition cycles with no current DTC active during the 100 ignition cycles.