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 9 mph (15 km/h) after the system returns to normal.
- An incorrectly installed wheel bearing can cause one of these DTCs.

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

2. Check that the appropriate wheel speed sensor Service and Repairis properly mounted.





Is the wheel speed sensor installation OK?

YES -

Go to step 3.

NO -

Reinstall the wheel speed sensor, and check the mounting position Service and Repair.�

3. Inspect the appropriate magnetic encoder for damage, debris, and correct installation.





Is the magnetic encoder OK?

YES -

Go to step 4.

NO -

Remove the debris from the magnetic encoder, or replace the wheel bearing (front) or the hub bearing unit (rear):�

- Front: Replace the front wheel bearing Service and Repair.
- Rear: Replace the rear hub bearing unit Service and Repair.

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

5. Turn the ignition switch to ON (II).

6. Clear the DTC with the HDS.

7. Test-drive the vehicle at 19 mph (30 km/h) or more.

NOTE: Drive the vehicle on the road, not on a lift.

8. Check for DTCs with the HDS.

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

YES -

Check for loose terminals in the VSA modulator-control unit 46P connector. If necessary, substitute a known-good VSA modulator-control unit Service and Repair, then retest. If the VSA modulator-control unit was substituted, go to step 1.

NO -

Replace the original wheel speed sensor Service and Repair.�