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
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.