Manufacturer Code Charts: 121

VSA DTC Troubleshooting: 121, 122, 123, 124

DTC 121, 122, 123, 124: VSA Solenoid

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

2. Check for DTCs with the HDS.

Is DTC 54 indicated with DTC 121, 122, 123, and/or 124 at the same time?
YES - Troubleshoot DTC 54, and recheck.

NO - Go to step 3.


3. Clear the DTCs with the HDS.

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

5. Check for DTCs with the HDS.

Does the ABS indicator come on and are DTC 121, 122, 123, and/or 124 indicated?
YES - Replace the VSA modulator-control unit. Service and Repair

NO - The system is OK at this time.