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Home >> Hyundai >> 2007 >> Azera GLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC Troubleshooting Procedures >> DTC U0001 Can Communication Malfunction >> DTC Detecting Condition

DTC U0001 Can Communication Malfunction: DTC Detecting Condition

DTC DETECTION CONDITION CHART

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.
  • CAN BUS
  • CAN communication module component
Enable Conditions
  • Engine Run Time ≥ 2sec.
  • Ignition Voltage ≥ 11V
Threshold value
  • CAN communication error
Diagnosis Time
  • Continuous
MIL On Condition
  • 2 Driving Cycle
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