Nissan GT-R (R35) · Service Manual SUSPENSION

C1729 VEHICLE SPEED SIG ERR

C1729

Description


Uses CAN communications from the ABS actuator and electric unit (control unit) to receive the vehicle speed signal, and activates the Tire Pressure Monitoring System (TPMS) when the vehicle speed is 40 km/h (25MPH) or more.

DTC Logic

 
 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

Diagnosis Procedure


 
 1.PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
 
 2.PERFORM THE SELF-DIAGNOSIS
 
 3.CHECK INFORMATION