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Thread: ATS stays in closed loop

  1. 07-29-2021 #1
    Diggy Moe
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    ATS stays in closed loop

    So ive been trying to get my 2.0 ATS in PE mode.Ive tried all the Fuel/ Power Enrich/Enable and Throttle tabs.Also increased the Torque management/General/Torque Limit vs RPM/Peak Torque and Brake torque limit.Anybody got some ideas?CadillacATS-V1.hpt
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  2. 07-30-2021 #2
    tunerpro
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    If it's a 2016 or newer, that's expected. GM switched to a factory wideband O2 sensor for fuel control in 2016, so fuel trims stay active even if commanded EQR is not 1.0.
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  3. 07-30-2021 #3
    Diggy Moe
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    Its a mid year 2017.Makes sense since i noticed the EQ ratio shifting.THANKS!
    Last edited by Diggy Moe; 07-30-2021 at 10:24 AM. Reason: sentence correctiong
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