Toyota Corolla 2009–2013 — technical service bulletin
Bulletin T-TT-0211-12 Rev · NHTSA communication 10133916 · issued Jan 3, 2013
Technical service bulletin
communication type
Electrical System
component
2009–2013
model years
5
vehicle entries
Official summary
Please confirm that the customer's concern is not related to a discharged battery or due to any after market accessory issue.
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.