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DTC Detection Logic

DTC No. CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B2557 VEHICLE SPEED
(Vehicle speed)
Diagnosis condition Vehicle speed 10 km/h or more for 10 seconds or more
Signal (terminal) CAN communication signal
Threshold BCM detects one of the following conditions.
  • Vehicle speed signal from "combination meter" is 10 km/h (6.2 MPH) or more and vehicle speed signal from "ABS actuator and electric unit (control unit) " is 4 km/h (2.5 MPH) or less
  • Vehicle speed signal from "combination meter" is 4 km/h (2.5 MPH) or less and vehicle speed signal from "ABS actuator and electric unit (control unit) " is 10 km/h (6.2 MPH) or more
Diagnosis delay time 10 seconds or more