The ECM logic has been revised to address this condition.
Some 2016-2018 Toyota Tacoma vehicles equipped with a 2GR engine and AC60 transmission may exhibit a surge feeling when traveling between 40 and 50 mph; when the transmission is in fourth or fifth gear; and during torque converter lock-up.
The ECM logic has been revised to address this condition. Reprogram the ECM using software version 13.20.018 or later, using calibration 8966304B0400 (2016-2017, main ECM....and 896650401400 sub-ECM); 8966304A6100 (2018 main ECM......896650404100 subs ECM).
Motor Age has been publishing technical content for professional automotive technicians since 1899. Our writers have decades of experience and scores of ASE certifications, and they continue to teach new generations of technicians via classrooms all around the globe, as well as through the books and training manuals they've authored.
