Will a 2005 pcm work in a 2006 grand prix?
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03-04-2009
Will a 2005 pcm work in a 2006 grand prix?
03-07-2009
no one?
03-22-2009
from what i have heard, yes, they will, but the gas gauge is reversed for some odd reason.
03-26-2009
Yes, it will work. I have a 07 and will have to use a 05. You wil need to try to get a SC one. I called a GM dealership to see what it pulled up to replace a 07ECM and it pulled the 04+ SC ECM.
07-06-2009
Could i get info from someone using a 05 pcm in a 06 gt please (07 may be the same but i dunno)
Looking to do this myself - Is the gas gauge backwards the only issue? - EG its just the PCM programmed to use reversed voltage to display to the gauge, its not a deeper issue that will mess with the range in the DIC etc.
Also has anyone come across a fix for the gauge? - i'm betting its a simple fix in a table somewhere, if not is it possible to just switch the wires on the gauge in the dash to fix it? Guessing its part of a massive cluster and if its the only issue with the swap i can get over it.
Also GM will show the PCM as the same part number cause it is physically the same - im sure they will flash to whatever you have.
-GeeBee ....gonna go make a real sig / avatar
07-07-2009
I'm doing it this sunday ill update you when i get done.
07-07-2009
cant wait to hear the out come of this
07-08-2009
^^ +1Originally Posted by carl06GT
07-09-2009
i got an 04 pcm im willing to let go if anyone needs one. samething as an 05.
comp g pcm tho. so unless you got 3.29 gears it will need to be tuned before you can run it correctly.
07-18-2009
well the guy that was supposed to tune my car didnt show so it's postponed for a few weekends. I'll let you know how it goes though.
08-08-2009
Killing me waiting on this man>=p
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