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Home >> Hyundai >> 2020 >> Sonata SEL >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Abs Diagnosis (Except HEV) (2 Of 2) >> DTC C1616-08: C-CAN Bus OFF >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

Trouble Shooting Condition Possible Cause
Main action
  • Monitor the CAN circuit
  1. Short circuit between CAN bus lines.
  2. Short to ground or other voltage in CAN bus line.
  3. Faulty CAN circuit
  4. Faulty Gateway (CGW)
Threshold value
  • A failure is detected when ESP (ESC) detects that the C-CAN bus "OFF" has occurred for more than 140 milliseconds during control or for more than 700 milliseconds during non-control.
    1. Vehicle speed is less than 6 km/h (3.72 MPH), and not controlled: Warning lamp is on. DTC is not recorded.
    2. Vehicle speed is greater than 6 km/h or controlling: Warning lamp is on. DTC is recorded.
Diagnosis time
  • While controlling: 140 milliseconds
  • While not controlling: 700 milliseconds
MIL
  • ESP (ESC)/EPB warning lamps are activated. EBD/ABS warning lamp are not activated.
Reset condition
  • Warning lamp: ON, DTC: not recorded (When the normal operation of CAN is monitored for 100 milliseconds in the same cycle.)
  • Warning lamp: ON, DTC: recorded (After ignition switch turned OFF and ON.)