ArrivalBlue03 Posted April 3, 2005 Report Share Posted April 3, 2005 I notice on my truck when I put it in gear and drive off, the first time it gets to about 22 mph, the gas pedal has kind of a feedback shake to it. It is a quick pulsation that only lasts a second, and it happens every time I drive it. I assume this is some kind of a self test for the torque management? The truck drives perfect. Link to comment Share on other sites More sharing options...
BenKey Posted April 3, 2005 Report Share Posted April 3, 2005 Not a self test. Link to comment Share on other sites More sharing options...
superman Posted April 3, 2005 Report Share Posted April 3, 2005 Mine does it to. It is a normal thing. Link to comment Share on other sites More sharing options...
A2Blue Posted April 3, 2005 Report Share Posted April 3, 2005 Mine does it too, and I read a few months ago in a TSB, and also on GM techlink that this is indeed some form of self-test the system runs every time on startup when first moving - unfortunately I can't find the reference now. I'll try to find it. Link to comment Share on other sites More sharing options...
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