DTC Description

While "SMART JUNCTION BOX" is communicating information with units/modules that configures CAN communication network, "SJB" CAN controller detects CAN BUS OFF status, B1603 is set.

DTC Detecting Condition

Item

Conditions for setting DTC

Possible Cause

DTC Strategy

Check CAN communication.

1.

CAN High and Low line coincidentally short to battery

2.

CAN High and Low line coincidentally short to ground

Enable Conditions

Hot at all times

Threshold Value

CAN message is abnormal.

Diagnostic Time

Immediately.

DTC Erasing

Erased by GDS after solved problem

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