Theory Of Operation
WARNING: This page is about a different car, the 2023 Jeep Grand Wagoneer L and 2023 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.
When the Powertrain Control Module (PCM) secondary software determines that the engines torque output is greater than the customers requested output, the engine output is reduced by PCM control.