DTC Summary

These DTCs are stored when the motor temperature sensor output is abnormal. The cause of this malfunction may be one of the following:

Hybrid vehicle control ECU malfunction 

• Hybrid vehicle control ECU internal malfunction

Motor temperature sensor malfunction 

• Internal motor temperature sensor malfunction
• Open or short in motor temperature sensor

Wire harness between the motor temperature sensor and hybrid vehicle control ECU 

• The connectors are not connected properly
• Foreign matter or water on the connector terminals
• Open or short in wire harness

HINT: 

If any of these DTCs are stored, the motor temperature sensor is malfunctioning and the self-protection function may not operate. Therefore under certain high load driving condition, the temperature of the motor (MG2) becomes high. If the self-protection function does not operate, the motor (MG2) may malfunction and cause the vehicle to enter fail-safe mode.