fault code p0121. what do i need to throttle or pedal position sensor

Question

hi. i have an Audi A4 2009 2.0SE TDI and have an engine managment light on. after plugging it in i have the fault code p0121.
my question is . is this a throttle position sensor or a pedal position sensor ?

Answer 1

Hi there

This code is for the TPS not the APP. This is mounted to the throttle body. The pedal position sensor is not the problem in most cases.