Scion TC 2007–2009 — technical service bulletin
Bulletin S-SB-0031-14 · NHTSA communication 10134192 · issued Dec 12, 2014
Technical service bulletin
communication type
Equipment
component
2007–2009
model years
5
vehicle entries
Official summary
TSB: Some 2007-2009 model year tC and xB vehicles equipped with 2AZ-FE engines may exhibit engine oil consumption. The piston assembly has been changed to minimize oil consumption. Use the Inspection Procedure in this bulletin to confirm this condition.
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.