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Home >> Hyundai >> 2020 >> Sonata SEL >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio Video Navigation Diagnosis (Except HEV) >> DTC B2801-00: MM CAN Signal Line Error >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Check CAN communication
  1. Poor connection
  2. CAN communication line
  3. Faulty AVN
Enable Conditions
  • Ignition "ON"
  • Battery Voltage 9 to 16V
Threshold value
  • M-CAN (MM-CAN) line is open or short to ground or short to battery
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