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HOMESERVICE MANUALSHYUNDAI2013EQUUS ULTIMATEREPAIR AND DIAGNOSISBODY & FRAMESEATSPOWER SEAT MODULE DIAGNOSISDTC B1603: CAN COMMUNICATION BUS OFFGENERAL INFORMATIONDTC DETECTING CONDITION
2013 Hyundai Equus Ultimate

General Information: DTC Detecting Condition

2013 Hyundai Equus UltimateSECTION DTC Detecting Condition
Item Detecting Condition Possible Cause
DTC Strategy
  • CAN Communication Check
  1. IPM, 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
  • IPM, PSM power on
Threshold Value
  • CAN High/Low: 0V or B+
Diagnostic Time
  • Immediately
DTC Erasing Time
  • DTC is erased immediately after trouble fixed
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.