DTC 12

DTC 12, 14, 16, 18: Wheel Sensor (Electrical Noise/Intermittent Interruption)

NOTE:
^ If the ABS and other indicators come on because of electrical noise, the indicators will go off when you test-drive the vehicle at 10 mph (15 km/h) or more and noise is gone.
^ An incorrectly installed wheel bearing can cause one of these DTCs.

1. Turn the ignition switch OFF.
2. Check the appropriate wheel sensor and magnetic encoder on the front wheel bearing or magnetic encoder on the rear hub bearing unit.





Are they installed correctly and in good condition?
YES - Go to step 3.
NO - Reinstall or replace the appropriate wheel sensor, front wheel bearing, or rear hub bearing unit, and recheck by test-driving.

3. Substitute an appropriate known-good wheel sensor.
4. Turn the ignition switch ON (II).
5. Clear the DTC with the HDS.
6. Test-drive the vehicle at 10 mph (15 km /h) or more.
7. Check for DTCs with the HDS.
Is DTCs 12, 14, 16, and/or 18 indicated?
YES - Go to step 8.
NO - Replace the original wheel sensor.

8. Turn the ignition switch OFF.
9. Replace the appropriate front wheel bearing, or substitute a known-good rear hub bearing unit.
10. Turn the ignition switch ON (II).
11. Clear the DTC with the HDS.
12. Test-drive the vehicle at 10 mph (15 km/h) or more.
13. Check for DTCs with the HDS.
Is DTCs 12, 14, 16, and/or 18 indicated?
YES - Check for loose terminals in the VSA modulator-control unit 46P connector. Check for a loose connection at G202. If necessary, substitute a known-good VSA modulator-control unit and retest.
NO -
^ Front: Troubleshooting is complete.
^ Rear: Replace the original rear hub bearing unit.