Manufacturer Code Charts: 68

VSA DTC Troubleshooting: 68

DTC 68: Brake Pedal Position Switch

1. Check for other DTCs in the PGM-FI system.

Are other DTCs indicated?
YES - Do the appropriate troubleshooting for the DTCs.

NO - Go to step 2.


2. Check the brake pedal position switch. Brake Pedal and Brake Pedal Position Switch Adjustment

Is the switch OK?
YES - Go to step 3.

NO - Adjust or replace the brake pedal position switch. Brake Pedal and Brake Pedal Position Switch Adjustment


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

4. Clear the DTC with the HDS.

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

6. Test-drive the vehicle at 19 mph (30 km/h) or more.
NOTE: Drive the vehicle on the road, not on a lift.

7. Check for DTCs with the HDS.

Is DTC 68 indicated?
YES - Go to step 8.

NO - The system is OK at this time. Refer to intermittent failures. Reading and Clearing Diagnostic Trouble Codes


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

Is the brake pedal position switch circuit OK?
YES - Substitute a known-good PCM and recheck:

- If the problem is gone, replace the original PCM.

- If the problem continues, replace the VSA modulator-control unit. Service and Repair


NO - Repair the brake pedal position switch circuit.