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Home >> Kia >> 2021 >> Sorento EX, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Head Up Display System Diagnosis (Except HEV) >> DTC B2800-00: MM CAN BUS OFF Error >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Check the CAN communication
  • Poor connector connection
  • Open or short circuit of the CAN communication
Enable Conditions
  • Ignition "ON"
  • Normal battery voltage 9 to 16V
Threshold Value
  • M-CAN communication is bus off
DTC Erasing
  • 2s
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