VSA System

Control System DTCs

VSA DTC Troubleshooting: 66-13

DTC 66-13 : Pressure Sensor Malfunction

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the how to troubleshoot the VSA system Reading and Clearing Diagnostic Trouble Codes.






1. Brake pedal height check:

-1. Check the brake pedal height Adjustments.

Is brake pedal height OK?
-YES- Go to step 2.
-NO- Adjust the brake pedal height Adjustments.

2. Problem verification:

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

-2. Clear the DTC with the HDS.

-3. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.

-4. Check for DTCs with the HDS.






Is DTC 66-13 indicated?
-YES- The failure is duplicated. Go to step 3.
-NO- Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting.

3. VSA modulator-control unit check (update):

-1. Update the VSA modulator-control unit if it does not have the latest software Programming and Relearning.

-2. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.

-3. Check for DTCs with the HDS.






Is DTC 66-13 indicated?
-YES- Check for loose terminals in the VSA modulator-control unit 38P connector. If the VSA modulator-control unit was updated and the symptom/indication is still present, replace the VSA modulator-control unit Service and Repair.
-NO- Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.