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Home >> Kia >> 2024 >> Telluride SX X-Line >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Cluster Module Diagnosis >> 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 connection
  • CAN communication circuit (open, short)
    • CAN high line open
    • CAN low line open
    • CAN high and low line open
    • CAN high line short to 12Vbattery
    • CAN low line short to 12Vbattery
    • CAN high, low line short to each other
    • CAN high, low line short to each other and short to ground
  • Terminating Resistance fault
  • Transmitting controller bus off
  • Transmitting controller disconnected
  • Transmitting controller power, fuse or ground fault
  • Transmitting controller H/W, S/W fault
  • CAN line noise
Enable Conditions
  • Ignition "ON"
  • Normal 12V battery voltage (9 to 16V)
Threshold Value
  • M-CAN message is not received
Detecting Time
  • 2s
Clear Condition
  • M-CAN message received normally