Why the pedal become suddenly unresponsive while driving the vehicle ?

Question

The pedal became unresponsive suddenly, The DTC light doesn't gon when the problem happens. but it disappears after releasing the pedal.
 
The first time it happens the vehicle went through commuter check and it showed pedal fault and therefore; the pedal was replaced.

The problem disappeared for 2 months and come back, but this time the computer check shows nothing.

The problem happens mostly when the vehicle engine is still cold in the morning, some times it disappear for few days and come back.

Answer 1

This type of condition when the pedal is unresponsive and disappear without setting a code condition the throttle body has to be looked into.