My truck is a 2005 GMC Sierra how do I find out what ECM it has?
My truck is a 2005 GMC Sierra how do I find out what ECM it has?
2020 Jeep Trackhawk, Functional Demon Ram Air Hood, AFE CAI, SW Headers, SW Cats, Solo Cat back Exhaust.
Look at it. Seriously. Your 2005 will have the LS1-style PCM (large silver box). Service number is on a sticky right on the cover.Originally Posted by LBSBLOWN
ExaTorq Tuning and Performance (Dallas, TX)
LS1 style, P59 if im not mistaken
It doesn't have to be perfect, it just needs to be done in two weeks...
A wise man once said "google it"