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Home >> Kia >> 2021 >> Sorento EX, FWD >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Abs/ESC Diagnosis (Except HEV) (2 Of 4) >> DTC C1646-82: CAN Message Failure - TCU >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitor CAN message
  • Faulty TCM
Enable Condition
  • Normal battery voltage (9 to 16V)
  • Ignition "ON"
Threshold Value
  • Abnormal growth of alivecounter value of TCU message
Detecting time
  • In control: 500 ms
  • Non-control: 1500 ms
Warning Lamp
  • ESP, DBC, AVH, EPB
Disable Condition ESP
  • After ignition off/on, when TCU alivecount signal is normally received consecutive 3 times
EPB
  • When TCU alivecount signal is normally received, fault is normal recovery in the same ignition cycle