Component Location
General Description

EPS CM monitors internal circuit to protect abnormal operation. This test includes hardware (MCU, RAM, ROM and so on) test.

DTC Description

EPS CM checks operating condition of H/W periodically. EPS CM sets this code and turns on warning lamp if there is a fault in H/W. At that time EPS CM inhibits EPS opreation.

DTC Detecting Condition

Item

Detecting Condition

Possible cause

DTC Strategy

● Check ECU H/W

● Faulty MCU

● Faulty memory

Enable conditions

● IG ON

Threshold value

● ECU H/W error occurs

Fail Safe

● EPS warning lamp "ON", EPS control is inhibited

Restoration conditions

● Normal condition after IG on → off

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