Manufacturer Code Charts: 20

Adaptive Cruise Control (ACC) DTC Troubleshooting: 20

DTC 20:

Steering Angle Sensor Malfunction

NOTE: Before doing this troubleshooting procedure, check the steering angle sensor installation Service and Repair.

1. Check for VSA system DTCs with the HDS.

Are any DTCs indicated?

YES -

Troubleshoot the indicated VSA system DTC(s).�

NO -

Go to step 2.

2. Clear the DTCs with the HDS.

3. Turn the ignition switch to ON (II), then wait for 10 seconds.

4. Turn the steering wheel from lock-to-lock several times.

5. Check for DTCs with the HDS.

Is DTC 20 indicated?

YES -

Go to step 6.

NO -

Intermittent failure, the system is OK at this time.�

6. Check the CALIBRATION STATUS OF STEERING ANGLE SENSOR in the ACC DATA LIST with the HDS.

Is NOT COMPLETE indicated?

YES -

Do the VSA sensor neutral position memorization Programming and Relearning.�

NO -

Faulty steering angle sensor; replace the steering angle sensor Service and Repair, then do the VSA sensor neutral position memorization Programming and Relearning.�