Express & G-Series Vans Offered in both a full size van, or a large box truck, the Express is the modern GM workhorse

Chevrolet Express
Platform: GMT Van

Starts then dies 2003 express 3500

Thread Tools
 
Search this Thread
 
Old October 20th, 2021, 8:26 AM
  #21  
CF Beginner
Thread Starter
 
not6bucks's Avatar
 
Join Date: Oct 2021
Posts: 14
Likes: 0
Received 2 Likes on 1 Post
Default

Here Is what i got for voltage with and with out key on

C1- C=11.8 F=11.8
C2- (A3-A8 and A12 all 11.8), (B1 B2 B4 B9 = 11.8) B12=.4 with key on
C3 - B1= .4 with key on
C4 - A3 A4 B3 = 11.6 with key on
C5- D=11.8
Old October 20th, 2021, 9:34 AM
  #22  
CF Beginner
Thread Starter
 
not6bucks's Avatar
 
Join Date: Oct 2021
Posts: 14
Likes: 0
Received 2 Likes on 1 Post
Default

Also i did ohms across the C2 male pins on the BCM disconnected from the van, I put the black lead on the A12 and went thru all 24 pins with the red lead on B6 and B7 I get a reading of 0
Old October 20th, 2021, 6:21 PM
  #23  
Super Moderator
 
mountainmanjoe's Avatar
 
Join Date: Feb 2017
Posts: 5,802
Received 615 Likes on 556 Posts
Default

You should take it to mechanic who specializes in auto electronics.
Old October 22nd, 2021, 9:18 AM
  #24  
CF Beginner
Thread Starter
 
not6bucks's Avatar
 
Join Date: Oct 2021
Posts: 14
Likes: 0
Received 2 Likes on 1 Post
Default

UPDATE problem solved with a new BCM, had to do the key relearn after new BCM, also I will be driving it to a shop to get the BCM programmed radio and locks currently need programmed.
Thanks for the help
The following 2 users liked this post by not6bucks:
loopedr1 (October 25th, 2021), mountainmanjoe (October 22nd, 2021)
Old October 25th, 2021, 9:30 PM
  #25  
CF Junior Member
 
loopedr1's Avatar
 
Join Date: Sep 2018
Posts: 74
Received 8 Likes on 7 Posts
Default

Thanks for posting the repair…..that really helps in the future….
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Rick Lund-Pedersen
Express & G-Series Vans
4
March 2nd, 2020 8:36 PM
Lakeman 903
Express & G-Series Vans
6
October 20th, 2019 1:54 PM
tbb2
Express & G-Series Vans
4
May 12th, 2018 3:08 PM
nolachevy84
Express & G-Series Vans
0
October 15th, 2017 9:24 PM
sharonc21
Express & G-Series Vans
2
January 1st, 2008 7:15 PM



Quick Reply: Starts then dies 2003 express 3500



All times are GMT -5. The time now is 7:14 AM.