C1268 CADILLAC, CHEVROLET, GMC, BUICK: RIGHT REAR OUTLET VALVE SOLENOID MALFUNCTION
POST UPDATED IN June, 2023
C1268 CADILLAC, CHEVROLET, GMC, BUICK: RIGHT REAR OUTLET VALVE SOLENOID MALFUNCTION
The system relay receives power when the ignition switch is activated. This relay provides voltage to the valve solenoids and pumps the motor. The EBCM (Electronic Brake Control Module) microprocessor activates the solenoids by grounding the control circuit. It should be noted that the solenoid circuit is internal to the EBCM.
When the diagnostic code C1268 OBD2 is stored, it means that the state commanded by the controller and the actual state of the control circuit do not match.
Reasons for storing the C1268 OBDII fault code:
To troubleshoot DTC C1268 OBD2, try this: