Hypertech 30012??

Discussion in 'Performance & Fuel' started by vncj96, May 28, 2012.

  1. vncj96

    vncj96 Epic Member 5+ Years 1000 Posts

    What is different on the 2002 Chevys that this particular hypetech is ONLY for 2002 models, I have a 99 but found a hypertech for $50. All I want to be able to do is change the tire size, so will this really not work on a 99??
  2. 06MonteSS

    06MonteSS Rockstar 100 Posts

    the pcm's could be different, in which case no, since it's made for a 2002 only, it will not work on your '99...

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