C1425 Code: Meaning, Causes, and Symptoms | OBD2 Codes
C1425 – Open In Stop Light Switch Circuit
C1425 Possible Symptoms
Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
C1425 Possible Causes
Stop Lamp Fuse,Faulty Stop Light Switch,Stop Light Switch harness is open or shorted,Stop Light Switch circuit poor electrical connection,Faulty Skid Control ECU (Actuator Assembly)
The Skid Control ECU (housed in the actuator assembly) inputs stop light switch signals and the condition of brake operation. The skid control ECU has an open detection circuit, which outputs this DTC when detecting an open in the stop light input line or the ground line of the stop light circuit with the stop light switch off (brake pedal not depressed).