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DTC Detection Logic

NOTE:
  • If DTC B2557 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to "DTC LOGIC ".
  • If DTC B2557 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to "DTC LOGIC ".
DTC No. Trouble diagnosis name DTC detecting condition Possible causes
B2557 VEHICLE SPEED BCM detects one of the following conditions for 10 seconds continuously.
  • 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
  • Harness or connectors (The CAN communication line is open or shorted.)
  • Combination meter
  • ABS actuator and electric unit (control unit)
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