Toyota Corolla 2011–2012 — technical service bulletin
Bulletin LSC C0N Technica · NHTSA communication 10131655 · issued Dec 5, 2017
Technical service bulletin
communication type
Equipment
component
2011–2012
model years
2
vehicle entries
Official summary
Technical Instructions: LSC Expired on August 31, 2015. Technical Instructions for Limited Service Campaign CON. Installation of PTC Heater Relays. Certain 2011 and 2012 Model Year Corolla.
Vehicles covered
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.