Toyota Corolla 2014–2015 — technical service bulletin
Bulletin T-SB-0024-15 · NHTSA communication 10111177 · issued May 12, 2015
Technical service bulletin
communication type
Engine and Engine Cooling
component
2014–2015
model years
2
vehicle entries
Official summary
TSB: Some 2014 - 2015 model year Corolla vehicles equipped with a 2ZR-FE or 2ZR-FAE engine may exhibit a MIL "ON" condition with Diagnostic Trouble Code (DTC) P2420 (Evaporative Emission Pressure Switching Valve Stuck OFF). Follow the Repair Procedure in this bulletin to address this condition.
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.