VSA DTC Troubleshooting: 12-11, 14-11, 16-11, 18-11
DTC 12-11: Right-Front Wheel Speed Sensor Electrical Noise or Intermittent Interruption
DTC 14-11: Left-Front Wheel Speed Sensor Electrical Noise or Intermittent Interruption
DTC 16-11: Right-Rear Wheel Speed Sensor Electrical Noise or Intermittent Interruption
DTC 18-11: Left-Rear Wheel Speed Sensor Electrical Noise or Intermittent Interruption
NOTE:
Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.
These DTCs may be caused by electrical interference. Check for aftermarket devices installed in the vehicle when these DTCs are indicated.

DTC Description
DTC
Freeze Frame
12-11 Right-Front Wheel Speed Sensor Electrical Noise or Intermittent Interruption
    
14-11 Left-Front Wheel Speed Sensor Electrical Noise or Intermittent Interruption
    
16-11 Right-Rear Wheel Speed Sensor Electrical Noise or Intermittent Interruption
    
18-11 Left-Rear Wheel Speed Sensor Electrical Noise or Intermittent Interruption
    

1.
DTC check:

DTC check
?1.
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

?2.
Clear the DTC with the HDS.


?3.
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

?4.
Test-drive the vehicle.
NOTE: Drive the vehicle on the road, not on a lift.

?5.
Check for DTCs with the HDS.
DTC Description
DTC
Freeze Frame
12-11 Right-Front Wheel Speed Sensor Electrical Noise or Intermittent Interruption
    
12-12 Right-Front Wheel Speed Sensor Short to the Other Sensor Circuit
    
14-11 Left-Front Wheel Speed Sensor Electrical Noise or Intermittent Interruption
    
14-12 Left-Front Wheel Speed Sensor Short to the Other Sensor Circuit
    
16-11 Right-Rear Wheel Speed Sensor Electrical Noise or Intermittent Interruption
    
16-12 Right-Rear Wheel Speed Sensor Short to the Other Sensor Circuit
    
18-11 Left-Rear Wheel Speed Sensor Electrical Noise or Intermittent Interruption
    
18-12 Left-Rear Wheel Speed Sensor Short to the Other Sensor Circuit
    

Is DTC 12-11, 14-11, 16-11, or 18-11 indicated?

     
YES
     
     
     
If only DTC 12-11, 14-11, 16-11, or 18-11 are indicated, go to step 2.
     
YES
     
     
     
If DTC 12-12, 14-12, 16-12, or 18-12 are also indicated, go to DTC 12-12, 14-12, 16-12, or 18-12.?
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting.?
2.
Wheel speed sensor installation check:

Wheel speed sensor installation check
?1.
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

?2.
Check that the appropriate wheel speed sensor is properly mounted.
DTC
Appropriate Wheel Speed Sensor
12-11
Right-front
14-11
Left-front
16-11
Right-rear
18-11
Left-rear

Is the wheel speed sensor installation OK?

     
YES
     
     
     
Go to step 3.
     
NO
     
     
     
Reinstall the wheel speed sensor, and recheck the mounting position.?
3.
VSA modulator-control unit check (update):

VSA modulator-control unit check (update)
?1.
Update the VSA modulator-control unit if it does not have the latest software.

?2.
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

?3.
Test-drive the vehicle.
NOTE: Drive the vehicle on the road, not on a lift.

?4.
Check for DTCs with the HDS.
DTC Description
DTC
Freeze Frame
     

Is DTC 12-11, 14-11, 16-11, or 18-11 indicated?

     
YES
     
     
     
Check for loose terminals in the VSA modulator-control unit 21P connector. If the VSA modulator-control unit was updated and the symptom/indication is still present, replace the VSA modulator-control unit.?
     
NO
     
     
     
Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.?