Manufacturer Code Charts: 16

VSA DTC Troubleshooting: 12, 14, 16, 18

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

NOTE: If the ABS and the VSA indicators came on because of electrical noise, the indicator will go off when you test-drive the vehicle at 19 mph (30 km/h) after the system returns to normal, and the system has returned to normal.

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

2. Check the appropriate wheel speed sensor and pulser. Testing and Inspection





Are they OK?
YES - Go to step 3.

NO - Reinstall or replace the appropriate wheel speed sensor or pulser.


3. Disconnect the VSA modulator-control unit 47P connector. Service and Repair

4. Check for continuity between the appropriate wheel speed sensor (-) terminal and other wheel speed sensor (-) terminals of the VSA modulator-control unit 47P connector (see table).





Is there continuity?
YES - Repair short in the wires between the appropriate wheel speed sensor and the other wheel speed sensor.

NO - Go to step 5.






5. Substitute a known-good wheel speed sensor for the appropriate wheel speed sensor (see table).





6. Reconnect all connectors.

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

8. Clear the DTC with the HDS.

9. Test-drive the vehicle at 19 mph (30 km/h) or more.
NOTE: Drive the vehicle on the road, not on a lift.

10. 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 47P connector. If necessary, substitute a known-good VSA modulator-control unit, Service and Repair and retest.

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