Conditions for Setting the DTC
WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
C012F 00, C12A7, C12DC
Solenoid feedback current greater than 25% of commanded current.
C012F 0E, C12DD
Solenoid feedback current greater than 50% of requested current.