DTC Description

Although the CAN communication proceeds normally, This DTC may be set because of some errors in the CAN driver IC (CAN High Battery Short, CAN High Ground Short, CAN High-line, CAN Low Battery Short, CAN Low Ground Short, CAN Low cutoff, CAN High & Low Short).This DTC is used as CAN error to validate wire errors.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

To check CAN Communication status

1.

At the driver's door open state(Out of SMK Sleep mode),

(1)

CAN High line Short and Open.

(2)

CAN Low line Short and Open.

(3)

CAN High & Low line Short

2.

Contact status of the connector.

3.

SMK Unit (PIC IMMO Unit)

note

At the Sleep mode, CAN High line is detected ground level and CAN Low line is detected battery level.

Enable Conditions

At the state of input battery voltage into a SMK

1.

CAN High Battery Short

2.

CAN High Ground Short

3.

CAN High Line Open

4.

CAN Low Battery Short

5.

CAN Low Ground Short

6.

CAN Low Line open

7.

CAN High &Low Short

Threshold Value

When 12V voltage is detected, the battery shorted and when 0V voltage is detected, the battery grounded.

Diagnostic Time

This DTC is set, if failure persists for more than two seconds

DTC Erasing Time

After repairing failure, clear DTC immediately

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