GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

t56 guys need help

Thread Tools
 
Search this Thread
 
Old Aug 8, 2012 | 12:14 PM
  #1  
smdusaf's Avatar
Thread Starter
On The Tree
 
Joined: Apr 2012
Posts: 199
Likes: 0
From: ohio
Default 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
Reply
Old Aug 8, 2012 | 12:28 PM
  #2  
Ferocity02's Avatar
TECH Senior Member
iTrader: (59)
 
Joined: Apr 2003
Posts: 9,447
Likes: 2
Default

Did you swap the PCM?
Reply
Old Aug 8, 2012 | 12:33 PM
  #3  
smdusaf's Avatar
Thread Starter
On The Tree
 
Joined: Apr 2012
Posts: 199
Likes: 0
From: ohio
Default

no why would i need to do that
Reply
Old Aug 8, 2012 | 12:36 PM
  #4  
Ferocity02's Avatar
TECH Senior Member
iTrader: (59)
 
Joined: Apr 2003
Posts: 9,447
Likes: 2
Default

Originally Posted by smdusaf
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.
Reply
Old Aug 8, 2012 | 12:41 PM
  #5  
smdusaf's Avatar
Thread Starter
On The Tree
 
Joined: Apr 2012
Posts: 199
Likes: 0
From: ohio
Default

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.
Reply
Old Aug 8, 2012 | 12:48 PM
  #6  
smdusaf's Avatar
Thread Starter
On The Tree
 
Joined: Apr 2012
Posts: 199
Likes: 0
From: ohio
Default

sent you a pm ferocity
Reply
Old Aug 8, 2012 | 06:35 PM
  #7  
TECH Fanatic
iTrader: (38)
 
Joined: Oct 2005
Posts: 1,299
Likes: 2
From: cedar bluff,alabama
Default

Park neutral safety switch plugged in?...Assuming it was an a4.
Reply
Old Aug 8, 2012 | 08:23 PM
  #8  
smdusaf's Avatar
Thread Starter
On The Tree
 
Joined: Apr 2012
Posts: 199
Likes: 0
From: ohio
Default

yes on both
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
BKnBLK05
Trucks and SUV Classifieds
12
Dec 28, 2015 08:52 PM
Go5.3tt06
GM Drivetrain & Suspension
120
Sep 12, 2015 09:29 AM
fillpot
Tuning, Diagnostics, Electronics, and Wiring
2
Jul 26, 2015 07:21 PM
lxcoupe
FORCED INDUCTION
8
Jul 21, 2015 02:12 AM
GM-only
GM Drivetrain & Suspension
3
Jul 19, 2015 10:48 PM




All times are GMT -5. The time now is 08:27 PM.