C123C Code: Meaning, Causes, and Symptoms | OBD2 Codes

C123C – Sensor Cluster Mounting/Installation Performance


C123C Possible Symptoms


Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)


C123C Possible Causes


Faulty Sensor Cluster,Sensor Cluster harness is open or shorted,Sensor Cluster circuit poor electrical connection


C123C Description


The Anti-Lock Brake System (ABS) Module monitors the Sensor Cluster. The ABS Module sets the OBDII code when the Sensor Cluster is not to factory specifications.