I have a 2009 impala ltz v6 3.9 that im traing to calibrate the steering angle sensor with a modis ultra scanner.. I go through the vehicle identification steps, then I choose antilock brakes option, then functional tests, then output controls then steering angle centering.. the I get a message that says test with the key on and ignition off.. I press continue then I get graphs reading the wheels speed with a flat line on the graphs.. and that's it.. what im I missing here.. there are no codes showing and the steering colum was replaced and the wheels were aligned... need help

 

See attached, from what I read its all mechanical alignment, no calibration required....

 

ooh ok.. but for future reference, do u know how to perform a calibration with the modis scanner?

 

I am not familiar with that device, so no..

 

Hi
i have a questions i have remove the steering wheel Rock by the time steering steering was loss so my kid during this time was play with steering wheel
when i return back the steering wheel i feel the steering loss balance and keep error stbilitrack & traction control and TPS keep one and i can feel that car not happy i also change the throttle body do i have to reprogram the ECM and how to reset the ECM