Operation CHARM: Car repair manuals for everyone.

Manufacturer Code Charts: 18




VSA DTC Troubleshooting: 12, 14, 16, 18

DTC 12, 14, 16, 18: Wheel Speed 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 the noise is gone.

- An incorrectly installed wheel bearing can cause one of these DTCs.

1. Turn the ignition switch to LOCK (0).

2. Check the appropriate wheel speed sensor and magnetic encoder on the front wheel bearing Front Knuckle/Hub/Wheel Bearing Replacement or magnetic encoder on the rear wheel bearing. Rear Knuckle/Hub/Wheel Bearing Replacement





Are they installed correctly and in good condition?
YES - Go to step 3.

NO - Reinstall or replace the appropriate wheel speed sensor, front wheel bearing, or rear wheel bearing, and recheck by test-driving.


3. Substitute an appropriate known-good wheel speed sensor. Service and Repair

4. Turn the ignition switch to 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 DTC 12, 14, 16, and/or 18 indicated?
YES - Go to step 8.

NO - Replace the original wheel speed sensor. Service and Repair


8. Turn the ignition switch to LOCK (0).

9. Replace the appropriate front wheel bearing, Front Knuckle/Hub/Wheel Bearing Replacement or rear wheel bearing. Rear Knuckle/Hub/Wheel Bearing Replacement

10. Turn the ignition switch to 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.

Are DTC 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 G302. If necessary, substitute a known-good VSA modulator-control unit Service and Repair and retest.

NO - Troubleshooting is complete.