Some 2012-2014 Toyota Tacoma trucks equipped with 1GR-FE engines may exhibit a spark knock (detonation) under light acceleration and/or up-hill operation in hot weather of 80 degrees Fahrenheit or higher. The ECU logic has been modified to reduce this possibility.
CALIBRATION INFO
YEAR DRIVETRAIN TRANSMISSION PREVIOUS CAL ID NEW CAL ID
2012...........4WD/2WD PreRunner........5-speed AT............30455000..................30455100
2012........... 2WD...................................6 MT.....................30467000..................30467100
2012........... 4WD...................................6 MT.....................30468000...................30468100
2013-2014....4WD.2WD PreRunner.......5 AT.......................30480000...................30480100
2013-2014....2WD.................................6 MT.......................30481000..................30481100
2013-2014.....4WD................................6 MT.......................30482000...................30482100
Software version 9.20.022 or later is required.
