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Home >> Hyundai >> 2017 >> Azera Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC U0001: High Speed CAN Communication Bus Off >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Detects failures in communication between the PCM and another or modules in the vehicle which are on the CAN serial bus.
  1. CAN BUS
  2. CAN communication module component
EnableConditions
  • Engine Run Time ≥ 2sec.
  • Ignition Voltage ≥ 11V
Threshold value
  • CAN communication error
Diagnosis Time
  • Continuous
MIL On Condition
  • 2 Drive Cycle
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