Component Location
General Description

EPS CM (MDPS=Motor Driving Power Steering) 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 (MDPS=Motor Driving Power Steering). If this DTC is set, check unstable power or excessive surge influx by faulty power supply and chassis ground.

DTC Detecting Condition

Item

Detecting Condition

Possible cause

DTC Strategy

•

Check ECU H/W

1.

Faulty EPS CM

Enable conditions

•

IG ON

Threshold value

•

ECU H/W error occurs

Schematic Diagram
note
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