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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: These DTCs may be caused by electrical interference. Check for aftermarket devices installed in the vehicle when these DTC are indicated.
  1. Turn the ignition switch to ON (II).
  1. Clear the DTC with the HDS.
  1. Test-drive the vehicle.
    NOTE: Drive the vehicle on a straight section of road, not on a lift.
  1. Check for DTCs with the HDS.
Is DTC 12-11, 14-11, 16-11, and/or 18-11 indicated?
YES -
If the DTC 12-12, 14-12, 16-12, or 18-12 is indicated at the same time, do the DTC 12-12, 14-12, 16-12, or 18-12 troubleshooting. If DTC 12-12, 14-12, 16-12, or 18-12 is not indicated, go to Step 5 .
NO -
If any other DTCs are indicated, go to the indicated DTCs troubleshooting. If DTCs are not indicated, intermittent failure, the system is OK at this time. Check for loose terminals between the wheel speed sensor 2P connector and the VSA modulator-control unit 36P connector. Refer to intermittent failures troubleshooting.
  1. Turn the ignition switch to LOCK (0).
  1. 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 7 .
NO -
  1. Test-drive the vehicle.
    NOTE: Drive the vehicle on a straight section of road, not on a lift.
  1. Check for DTCs with the HDS.
Is DTC 12-11, 14-11, 16-11, and/or 18-11 indicated?
YES -
Check for loose terminals in the VSA modulator-control unit 36P connector. If the VSA modulator-control unit was updated, substitute a known-good VSA modulator-control unit, then retest. If the VSA modulator-control unit was substituted, go to Step 1 .
NO -
If the VSA modulator-control unit was updated, troubleshooting is complete. If the VSA modulator-control unit was substituted, replace the original VSA modulator-control unit. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.■