ok i goyt the actron odbii still and not its got an p1133 code p0133 and the p 1870 i know the p0133 relay one for the o2 sensor but dont know how to fix it, i know the p1870 for the transmission one an dont know how to fix it an i dont know the 1133 does someone know what it is and where i can find these codes and how to fix the problems

 

I gave you the link for every GM code ever known...look it up!