Bump/Update
I have had zero luck with this problem and it becoming very expensive and frustrating...
I made the mistake of going to the stealership to get it checked out and repaired this past Tuesday. They said it was a bad hub. I was skeptical.
After a few hours and a few hundred dollars... The lights were out!!!! Life is good!
Not so much... Now I am getting some pretty intense vibration in the steering wheel when I brake at highway speeds. I never had that before. What a coincidence...
And of course... The lights came back on yesterday. It didn't even make it a week. Same codes...
C0200 - right front wheel speed sensor signal malfunction
C1223 - malfunction in ABS control system
C1235 - metal stuck to right front wheel speed sensor
Not that It will do any good... I plan to call that dealership and tear them a new one today.
What can I do? My vehicle wont pass state inspection with those damn lights on. I have time but this is becoming more than irritating!
Thank you all,
Definitely do the zero point calibration to rule it out. Its a very simple FREE procedure you can do in 5 minutes with a short piece of wire.
I was getting 3 codes, one was the speed sensor and the zero point cal got rid of my dash lights.
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good luck
Here is the full document
http://www.toyotaparts.metro-toyota.com/VSC_LIGHT_ON_-_DTC_C1203_T-BR03-005.pdf