Toyota Avalon 2012–2014 — technical service bulletin
Bulletin T-TT-0277-13 · NHTSA communication 10131958 · issued Dec 23, 2013
Technical service bulletin
communication type
Steering
component
2012–2014
model years
4
vehicle entries
Official summary
VSC MIL ?ON? with DTC C1433. Steering angle value in ABS/TRAC ECU is -1044 degrees or 1044 degrees and does not change as steering wheel is turned.
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.