108-21

VSA DTC Troubleshooting: 108-21

DTC 108-21: Steering Angle Sensor Malfunction

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

2. Clear the DTC with the HDS.

3. Test-drive the vehicle.
NOTE: Drive the vehicle on the road, not on a lift.

4. Check for DTCs with the HDS.

Is DTC 108-21 indicated?
YES - Go to step 5.

NO - Intermittent failure, the system is OK at this time.


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

6. Substitute a known-good steering angle sensor. Service and Repair

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

8. Clear the DTC with the HDS.

9. Test-drive the vehicle.
NOTE: Drive the vehicle on the road, not on a lift.

10. Check for DTCs with the HDS.

Is DTC 108-21 indicated?
YES - Replace the VSA modulator-control unit. Service and Repair

NO - Replace the original steering angle sensor. Service and Repair