Toyota Corolla 2014 — technical service bulletin
Bulletin F0N_LSC_Dealer N · NHTSA communication 10134492 · issued May 28, 2015
Technical service bulletin
communication type
Electrical System
component
2014
model years
1
vehicle entries
Official summary
DL: The subject vehicles may illuminate a Check Engine warning lamp due to software programming for continuous variable valve lift control. If this condition occurs, the vehicle may experience a reduction in power. Toyota has developed new engine control software logic to help prevent this condition from occurring.
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.