The EPS CM senses the state of battery voltage in order to operate it's system normally.
If battery voltage is too low, the system couldn't run. And if it is too high, the EPS CM couldn't be damaged.
If the voltage of IG circuit is out of the setting value, the EPS unit sets this DTC.
Item
Detecting Condition
Possible cause
DTC Strategy
Voltage Monitoring
Faulty ground circuit
Poor connection in ground
circuit
Open in IG circuit
Enable conditions
System power ON
Threshold value
If the voltage of IG circuit is below 8V
Fail Safe
Motor : ON
Relay : ON
Bat. Voltage
IG Key ON
ENG. ON
Approx. 11.8 [V]~12.5 [V]
Approx. 12.5 [V] ~ 14.5 [V]