General Information

Motor driven Power Steering
C1604 EPS Module(pre-charge circuit) Malfunction - General Information

Component Location





General Description

EPS CM measures operating torque using torque sensor when driver operates steering wheel. The EPS CM controls the current of EPS motor in proportion to vehicle speed and operating torque of steering wheel. EPS CM, at times, supplies or cuts off current (as determined by engine control relay fail safe relay inside EPS CM) to EPS motor operating source and system source.

DTC Description

This DTC is related to general error inside EPS CM. If this DTC is set, check unstable power or excessive surge influx by faulty power supply and chassis ground.

DTC Detecting Condition





Schematic Diagram