PerformanceTrucks.net Forums - t56 guys need help

PerformanceTrucks.net Forums (https://www.performancetrucks.net/forums/)

- GM Drivetrain & Suspension (https://www.performancetrucks.net/forums/gm-drivetrain-suspension-22/)

- - t56 guys need help (https://www.performancetrucks.net/forums/gm-drivetrain-suspension-22/t56-guys-need-help-505893/)

smdusaf

08-08-2012 12:14 PM

t56 guys need help

im trying to get my 07 sierra classic started after the swap and im not sure what im doing wrong. it will only crank like once and my vss is turned of so it shouldnt be that

Ferocity02

08-08-2012 12:28 PM

Did you swap the PCM?

smdusaf

08-08-2012 12:33 PM

no why would i need to do that

Ferocity02

08-08-2012 12:36 PM

Quote:

Originally Posted by smdusaf (Post 4969670)

no why would i need to do that

You don't, but if you did you might be tripping the VATS system. You will need a tune regardless. But it should start without a tune unless the NNBS are different than NBS.

smdusaf

08-08-2012 12:41 PM

ok vats is turned off cause it isnt the origanal pcm. it got fried when we were trying to tune it from my turbo install and its a nbs 07 classic.

smdusaf

08-08-2012 12:48 PM

sent you a pm ferocity

1969x11

08-08-2012 06:35 PM

Park neutral safety switch plugged in?...Assuming it was an a4.

smdusaf

08-08-2012 08:23 PM

yes on both

All times are GMT -5. The time now is 10:28 AM.