l67ss Posted October 30, 2013 Report Share Posted October 30, 2013 Wondering if a 2001 gp base pcm would work in a 97 monte with a 3.1 4t65 and a 2001 lumina wire harness without programming thanks Quote Link to comment Share on other sites More sharing options...
RobertISaar Posted October 30, 2013 Report Share Posted October 30, 2013 without? no. the GP PCM will want to communicate with the GP BCM at the very least, and i believe on the GPs, the antitheft signal came from communications with the BCM, rather than the simpler and easier to defeat system on the earlier cars. Quote Link to comment Share on other sites More sharing options...
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