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Home >> Kia >> 2024 >> Telluride SX X-Line >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Integrated Central Control Unit Diagnosis (2 Of 2) >> DTC B2801-00: CAN Single Line Error M-CAN >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • CAN signal monitoring
  • 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 12V battery
    • CAN low line short to 12V battery
    • 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
  • M-CAN related module failure
Enable Condition
  • Normal 12V battery voltage status (12V battery voltage is 9 to 16V)
  • M-CAN bus is normal
Threshold Value
  • M-CAN line error is detected or M-CAN limphome status
Diagnosis Time
  • 2s
Symptom
  • M-CAN communication is not possible
Erase Condition
  • Erase with KDS after the failure solved