Australian Car Repair Issues? Ask an Auto Mechanic for Answers ASAP
I am sorry that you have not been helped yet. I just came online and saw your question
Your vehicle has a fly by wire system for throttle control. This means that instead of the throttle cable from the gas pedal to the throttle body, it is all electronic. There is a sensor on the gas pedal that converts how much you depress or release it into a voltage reading and that is sent to the computer then to the throttle body. There is a fault in either the sensor, the computer or the throttle body.
It needs to be diagnosed with dealer level scan tool to determine which of the 3 is at fault. This should be covered by the warranty on it, so you do want a dealer to diagnose and repair it
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