Manufacturer Code Charts: 68

VSA DTC Troubleshooting: 68

DTC 68:

Brake Pedal Position Switch

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

2. Check for other DTCs.

Is another DTC indicated?

YES -

Do the appropriate troubleshooting for the DTC.�

NO -

Go to step 3.

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

4. Check the brake pedal position switch Testing and Inspection, and adjustment: Without power adjustable pedals Adjustments, with power adjustable pedals Adjustments.

Is the brake pedal position switch and adjustment OK?

YES -

Go to step 5.

NO -

Adjust the brake pedal position switch. If necessary, replace the switch: Without power adjustable pedals Adjustments, with power adjustable pedals Adjustments.�

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

6. Clear the DTC with the HDS.

7. Test-drive the vehicle at 19 mph (30 km/h) or more.

NOTE: Drive the vehicle on the road, not on a lift.

8. Check for DTCs with the HDS.

Is DTC 68 indicated?

YES -

Go to step 9.

NO -

The system is OK at this time.�

9. Troubleshoot the brake pedal position switch signal circuit Brake Pedal Position Switch Signal Circuit Troubleshooting.

Is the brake pedal position switch circuit OK?

YES -

Go to step 10.

NO -

Repair the brake pedal position switch circuit.�

10. Update the PCM if it does not have the latest software PCM Update, or substitute a known-good PCM Initial Inspection and Diagnostic Overview.

11. Clear the DTC with the HDS.

12. Test-drive the vehicle at 19 mph (30 km/h) or more.

NOTE: Drive the vehicle on the road, not on a lift.

13. Check for DTCs with the HDS.

Is DTC 68 indicated?

YES -

Check for loose terminals in the PCM connector A (49P). If the PCM was updated, substitute a known-good PCM Initial Inspection and Diagnostic Overview, then retest. If the PCM was substituted, replace the VSA modulator-control unit Service and Repair.�

NO -

If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM Service and Repair.�