Conditions for Setting the DTC
WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
C0256 04 or C12E6
- The EBCM detects an open in the circuits to the solenoid valve relay.
- The EBCM detects a stuck open solenoid valve relay.
C0256 0E or C12E7
- The EBCM detects an short to battery in the circuits to the solenoid valve relay.
- The EBCM detects a stuck closed solenoid valve relay.