DTC Troubleshooting: 121, 122, 123, 124

DTC 121, 122, 123, 124:  VSA Solenoid

1.Clear the DTC.

2.Test-drive the vehicle.

Does the VSA indicator come on, and is DTC 121, 122, 123, or 124 indicated?


YES - Check for loose terminals in the VSA control unit 47P connector. If necessary, substitute a known-good VSA modulator-control unit, and recheck.n


NO - Intermittent failure; the system is OK at this time.n