Hello fellow Lexus Guru's,
I have a 2008 Lexus GX 470 with four error lights on. They are:
VSC TRAC
VSC OFF
THE CAR WITH TRACTION CONTROL
CHECK ENGINE
I have tried clearing the error lights,
I have had new front rotors, calipers, and pads replaced
I have had the front wheel bearings checked and they're good
What else could the problem be?

 

Commonly this is caused by a leaking gas cap. Yes really.
It's common for Toyota/Lexus cars to turn on multiple dash lights for this.
Make sure you are tightening it to at least 3 clicks, then give it several drives to clear the light. If not, the part is:

p/n 77300-47010 about $33

I have gone through two replacements (so far).
Chip H.

 

Your GX could have the dreaded secondary air injection pump failure. Part 17600C - see below

Check the diagnostic P code to confirm. Not an inexpensive repair.

 

Before shotgunning "fixes" at the problem, what were the error codes?

 

The following error codes came back.
P0430
C1201
C1336

 

Google those three codes and see what the results of each of those codes are. One of those could be the result of your brakes/hubs being serviced recently and a sensor getting dinged up.

 

I don't think it has anything to do with the brake work that was done since it was the same codes that appeared before the work and keep on coming back for a couple of months now.
I have looked up some of the possible causes that could cause these codes, but some are thousands of $$$ to try and may not even solve the problem. I know the Lexus dealer could figure it out, but the last time I came to them, it cost me almost $4,000 for a $1,500 repair by a non dealer.

 

P0430 - catalyst system efficiency is below the threshold on bank 2 - this would be the post-cat O2 sensor on bank 2, I'm getting this code recently as well, not sure what I'm going to do about it yet, I don't believe it's related to the other 2 codes
C1201 - ABS related code
C1336 - zero point calibration - this might be worth redoing the ZPC, it may clear both CXXXX codes in one shot, this is where I'd start.

 

I have an LS that has 7 lights lit, I think 11 is the total. I am going for the jackpot. But yesterday one of them went out so now I am down to only 6. Gonna have to start working on this if I am ever going to get it up to 11 lights.