Silverado 1500 4WD V8-6.2L (2010)
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Throttle default mode-The ECM will turn OFF the throttle actuator motor, and the throttle will return to the spring loaded default position.
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Forced idle mode-The ECM will perform the following actions:
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Limit engine speed to idle positioning the throttle position, or by controlling the fuel and spark if the throttle is turned OFF.
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Ignore the accelerator pedal input.
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Engine shutdown mode-The ECM will disable fuel and de-energize the throttle actuator.