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)