DTC DETECTION LOGIC

DTC | Display Item | Malfunction detected condition | Possible causes
C1729 | VHCL SPEED SIG ERR | Vehicle speed signal not detected. |

- CAN communication malfunction
- Low tire pressure warning control unit malfunction
- ABS actuator and electric unit (control unit) malfunction

DTC REPRODUCTION PROCEDURE
1.DTC REPRODUCTION PROCEDURE
With CONSULT-III

1. Drive for several minutes at a speed of 40 km/h (25 MPH) or more, then stop the vehicle.
2. Perform self-diagnosis of the low tire pressure warning control unit.

Is DTC “C1729” detected?
YES>>Perform trouble diagnosis. Refer to Diagnosis Procedure (GT-R certified NISSAN dealer).
NO>>INSPECTION END