DTC Detection Logic
WARNING: This page is about a different car, the 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
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 DETECTION 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)
|