DTC Troubleshooting: 108-21

DTC 108-21:  Steering Angle Sensor Malfunction

1.Turn the ignition switch ON (II).

2.Clear the DTC with the HDS.

3.Do the VSA sensor neutral position memorization.

4.Test-drive the vehicle.

5.Check for DTCs with the HDS.

Is DTC 108-21 indicated?


YES - Go to 6.


NO - Intermittent failure, the system is OK at this time. Check for loose terminals between the steering angle sensor 5P connector and the VSA modulator-control unit 37P connector. Refer to intermittent failures troubleshooting.n


6.Turn the ignition switch OFF.

7.Substitute a known-good steering angle sensor.

8.Turn the ignition switch ON (II).

9.Clear the DTC with the HDS.

10.Do the VSA sensor neutral position memorization.

11.Test-drive the vehicle.

12.Check for DTCs with the HDS.

Is DTC 108-21 indicated?


YES - Replace the VSA modulator-control unit.n


NO - Replace the original steering angle sensor.n