If the pcm recognizes a fault in the drive by wire it will react by reducing the gain opening the throttle significantly.
Lightning bolt flashing on dash.
The lightning bolt icon on your dashboard alerts you to a problem with the electronic throttle control system in your 2014 dodge charger.
Discussion starter 1 jan 31 2016 edited.
Joined dec 20 2015 88 posts.
To prevent a runaway engine.
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This video is my explanation of the chrysler 300 s dreaded lightning bolt warning light.
The red lightning bolt in the center of a venturi is the warning lamp for the drive by wire or electronic throttle.