DTC Description
WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
C16034B sets when the temperature of the EPS ECU (MDPS = Motor Driving Power Steering Control Module) surpasses 85°C due to continuous sharp steering. Under this circumstance, the EPS limits the assistant steering power to decrease the current to the motor. When it reaches over 120°C, it stops the operation of the assistant steering power.