Reprogram Toyota Tacoma to Stop Surge

    July 17, 2023
    Some 2016-2017 Toyota Tacoma vehicles equipped with a 2GR-FKS engine may exhibit an engine idle surge with steering input.
    Toyota
    If the vehicle is equipped with a 6-speed automatic transmission, the new calibration ID is 8966304B0400 (main ECU).
    If the vehicle is equipped with a 6-speed automatic transmission, the new calibration ID is 8966304B0400 (main ECU).

    Some 2016-2017 Toyota Tacoma vehicles equipped with a 2GR-FKS engine may exhibit an engine idle surge with steering input. The surge is most likely noticeable when the vehicle is operated at an idle speed creep, when the steering wheel is turned and when engine coolant temperature is low.

    Reprogram the ECM. If the vehicle is equipped with a 6-speed automatic transmission, the new calibration ID is 8966304B0400 (main ECU). For the sub ECU, the new calibration ID is 896650401400. If equipped with a 6-speed manual transmission, the new main ECU calibration ID is 8966304B1300.

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    Information courtesy of Mitchell 1

    Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.

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