DTC Description

The HECU checks the CAN communcation lines and sets this code if an abnormal EPS message is received.

DTC Detecting Condition

Item

Detecting Condition

Possible cause

DTC Strategy

•

CAN message from MDPS monitoring

1.

A fault in the EPS system

2.

Poor connection of CAN communication circuit

Monitoring Period

•

Above 10km/h vehicle speed

Enable Conditions

•

A failure is detected if a message counter of VSM message was not increased more than specific times

•

A failure is detected if the calculated and received checksum values differ more than specific times

•

A failure is detected if VSM message's diagnostic signal fault was happened more than specific times

- Specific times : Control in progress = 10 times : No control = 30 times

※ The monitoring waits 1 sec after power up

Fail Safe

•

Inhibit the VSM control

MIL

•

No MIL

Reset Condition

•

Normal after IG turned on again.

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