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Home >> Kia >> 2016 >> Forte Koup EX, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 84 (Power Seat Module Diagnosis) >> DTC B1603: CAN Communication Bus Off >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

WARNING: This page is about a different car, the 2015 Kia Forte5, 2015 Kia Forte Koup, and 2015 Kia Forte. However, it is still accessible from the selected car via links, so may be relevant.
Item Detecting Condition Possible Cause
DTC Strategy
  • CAN Communication Check
  1. BCM, PSM are not Sleep condition
    1. CAN High and Low Line short to ground coincident
    2. CAN High and Low Line short to battery coincident
Enable Conditions
  • BCM, PSM power on
Threshold Value
  • CAN High/Low: 0V or B+
Diagnostic Time
  • More than 10ms
DTC Erasing Time
  • DTC is erased immediately after trouble fixed
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