Lexus 2003 GS 300 VSC warning light

i have a 2003 lexus gs 300 and the VSC and check engine lights come on. They have come on before and I have replaced all of the sensors and even the catalytic converter. i have spent about $ 1,600 and they went 3 months being off and now the same warning lights are on again. any suugestions to fixing?

Please post the trouble codes that are stored in the ECM. You can usually have them read for free at any auto parts store (California is a known exception).

Problems with VSC (vehicle stability control) would usually point to a faulty or dirty wheel sensor, connector, or wire, and possibly an accelerometer-type sensor. This may require an ABS-capable code scanner, but see what you can pull from the ECM with a normal code reader.

I do not know how a new cat converter would be related to VSC problems unless you had problems with the emissions system as well.

Bottom line is...when you have the codes read, ASK TO SEE THE READOUT and write the code numbers down. Don't just ask for their interpretation.

Good luck and welcome to AF!