Chillest-fern Posted May 28 Report Share Posted May 28 Can someone help me program a 2001 pcm off a Monte to work on a 2003 4t65e since the valve body and internal wiring was changed during this year. I've been looking for a alternative pcm by the way but I'm focusing on seeing if i can get help on programming the 03 sensors since i used credits on hp tuners already. Quote Link to comment Share on other sites More sharing options...
Chillest-fern Posted June 26 Author Report Share Posted June 26 So I ended up getting a 2001 valve body and the 2-piece pump put in instead, then also replacing it with the same compatible pressure switch and epc sensor for the pre 2003 model … I’ll update after I get my engine delivered and put in pwmin 1 Quote Link to comment Share on other sites More sharing options...
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