DTC 123

DTC 121, 122, 123, 124: VSA Solenoid
1. Clear the DTC using the HDS.
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 modulator-control unit 47P connector. If necessary, substitute a known-good VSA modulator-control unit, and recheck.
NO - intermittent failure; the system is OK at this time.