2 codes P0031 and C1201 (Trac off, check eng light, adn CHeck VSC displayed)

2005 LEXUS LS 430
113,500 MILES • V8 • 2WD • AUTOMATIC
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LODOWN141
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  • 1 POST
Wife was just driving along and Check VSC, engine light, and track off lights displayed on panel.
Apr 29, 2014 at 1:29 PM
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HMAC300
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  • 48,601 POSTS
for the p0031 codes check your efi main relay and switch with a like relay if not that then check resistance in O2sensor which shold be bank 1 sensor1-priorto converter whichever cylinder is number 1side. code 1201 a pro shold look at this because it can be a broken harness or pinched harness going to abs unit or a few other things.
Apr 29, 2014 at 3:20 PM
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