what is the fout of the VSC and the 4WD light to be on when driving
3 Answers
Vehicle Stability Control. gooddy you need to be more concerned about the problem and getting it fixed instead of just getting the light off.
http://www.toyotafans.net/simple-fix-for-problem-with-vsc-vehicle-stability-control-system-t23142.htm is a good place to begin
http://m.toyota.com/safety/ and http://www.toyota-global.com/innovation/safety_technology/safety_technology/technology_file/active/vsc.html gooddy your ABS may be effected by this also