C1259 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1259 – HV System Regenerative Malfunction


C1259 Possible Symptoms


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


C1259 Possible Causes


Hybrid Control System,Faulty Hybrid Control ECU


C1259 Description


The Skid Control ECU communicates with the Hybrid Control ECU and controls braking force according to the motor’s regenerative force. The Skid Control ECU sends Enhanced VSC signal to the Hybrid Control ECU and inputs operating signal from the Hybrid Control ECU. The Skid Control ECU uses CAN communication for communication with the Hybrid Control ECU. If a communication malfunction is memorized, the Skid Control ECU prohibits Enhanced VSC operation and a part of ECB control by fail safe function.