Hey Guys!
Who has put in a new ecm/pcm into their vehicle?
I bought a preprogrammed ECM for my 2009 Tahoe LTZ 5.3L. After following the instructions to a "T" ('start' vehicle, ten minutes ignition on, 5 seconds off 3x), the vehicle does not crank, nor start.
Who has put in a new ecm/pcm into their vehicle?
I bought a preprogrammed ECM for my 2009 Tahoe LTZ 5.3L. After following the instructions to a "T" ('start' vehicle, ten minutes ignition on, 5 seconds off 3x), the vehicle does not crank, nor start.
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