Chevy/GMC Duramax 01-04 LB7 Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines

LB7 tear down

Thread Tools
 
Search this Thread
 
  #291  
Old 06-17-2014, 11:00 AM
4x4manonbroke's Avatar
Diesel Bomber
Join Date: Jun 2010
Location: Tacoma
Posts: 3,202
Received 142 Likes on 136 Posts
Default

Great.. Now ur talkin ..
 
  #292  
Old 06-17-2014, 12:38 PM
2004LB7's Avatar
Diesel Bomber
Join Date: Dec 2010
Location: Fool's Golden State
Posts: 1,190
Likes: 0
Received 113 Likes on 109 Posts
Default

Originally Posted by 2500HeavyDuty
bad ficm? i might have a few of those laying around
i dont think he is looking for a bad FCIM. his is already bad.

just kidding. i was pulling your leg i couldn't resist what i saw your post
 
  #293  
Old 06-17-2014, 12:41 PM
2004LB7's Avatar
Diesel Bomber
Join Date: Dec 2010
Location: Fool's Golden State
Posts: 1,190
Likes: 0
Received 113 Likes on 109 Posts
Default

i take it there is no VIN number checks between the ECM and FCIM and it is just plug and play?
 
  #294  
Old 06-17-2014, 03:10 PM
4x4manonbroke's Avatar
Diesel Bomber
Join Date: Jun 2010
Location: Tacoma
Posts: 3,202
Received 142 Likes on 136 Posts
Default

I dont think it matters as the FMIC only receives signals to fire injectors ( I beleive its from ECU it receives these signals - CPS, Cam PS. ect ? ) ..
 
  #295  
Old 06-17-2014, 10:12 PM
2004LB7's Avatar
Diesel Bomber
Join Date: Dec 2010
Location: Fool's Golden State
Posts: 1,190
Likes: 0
Received 113 Likes on 109 Posts
Default

I was thinking along the lines of how the BCM and radio if swapped out need to be updated with the correct vin or thay start throwing fits. Didn't know if there was any such requirements for the FCIM
 
  #296  
Old 06-17-2014, 11:31 PM
4x4manonbroke's Avatar
Diesel Bomber
Join Date: Jun 2010
Location: Tacoma
Posts: 3,202
Received 142 Likes on 136 Posts
Default

The BCM should control exterior lighting and interior lighting, guages, and the such ..

the radio could possibly toss a security code causin it to go into "Stolen" mode .. maybe shutting down ignition power , But it does run, it just wont accelerate .. So ?not sure if either really could be the issue .. ?
 
  #297  
Old 06-18-2014, 02:03 AM
2500HeavyDuty's Avatar
Super Moderator
Join Date: Oct 2007
Location: Houston, Tx
Posts: 14,872
Received 764 Likes on 627 Posts
Default

If you swap ecms it can happen the security light will stay on and you have to do a relearn procedure iirc. Same thing if you swap out instrument clusters, radios will sometime lock up on thier own, I had one lock up on me when I tuned a guys truck then u had to find a code to punch in into the radio to get it working again.

Sent from my SAMSUNG-SGH-I337 using Tapatalk
 
  #298  
Old 06-18-2014, 12:55 PM
4x4manonbroke's Avatar
Diesel Bomber
Join Date: Jun 2010
Location: Tacoma
Posts: 3,202
Received 142 Likes on 136 Posts
Default

Thats so stupid, Imo ... damn radio shouldnt kill the truck ..
 
  #299  
Old 06-19-2014, 02:17 PM
2500HeavyDuty's Avatar
Super Moderator
Join Date: Oct 2007
Location: Houston, Tx
Posts: 14,872
Received 764 Likes on 627 Posts
Default

The radio doesn't kill the truck. It just shuts itself down

Sent from my SAMSUNG-SGH-I337 using Tapatalk
 
  #300  
Old 06-21-2014, 10:58 AM
4x4manonbroke's Avatar
Diesel Bomber
Join Date: Jun 2010
Location: Tacoma
Posts: 3,202
Received 142 Likes on 136 Posts
Default

Any up dates Walker ?
 


Quick Reply: LB7 tear down



All times are GMT -5. The time now is 10:39 PM.