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 | Self-diagnosis name | DTC detecting condition | Possible causes
B2557 | VEHICLE SPEED | BCM detects the following difference between the vehicle speed from “combination meter” and the one from “ABS actuator and electric unit” for 10 seconds continuously.

- One is 10 km/h (6.2 MPH) or more and the other is 4 km/h (2.5 MPH) or less.

- Wheel sensor
- Combination meter
- ABS actuator and electric unit (control unit)

DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE

1. Drive the vehicle at the vehicle speed of 10 km/h (6.2 MPH) or more and wait for at least 10 seconds.
2. Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?
YES>>Go to Diagnosis Procedure.
NO>>INSPECTION END