DTC Description

If this LIN communication error of left Swivel Actuator occurs, this B1639 code is set. And that AFLS warning lamp is turned on in the cluster.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

Signal monitoring

1.

LIN Communication circuit is opened/shorted

2.

Left Swivel Motor connection is opened

3.

Faulty ISM of left side headlamp

Enable Conditions

IG ON

Threshold Value

Left Swivel Actuator LIN communication error

Detecting time

1 sec.

Fail Safe

Swivelling : stop at present status

Levelling : stop at present status

Check Lamp

AFLS warning lamp on

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