Does a BCM swap require a dealer flash? - JeepForum.com
 
LinkBack Thread Tools
post #1 of 6 Old 08-20-2013, 05:44 PM Thread Starter
the88thpianoman
Registered User
2003 WJ 
 
Join Date: Apr 2008
Location: Tampa
Posts: 5,251
Does a BCM swap require a dealer flash?

Pretty sure I have a bad/shorting BCM and/or fuse panel that the BCM bolts to. I'm replacing them both with parts from ebay before I give up and have it towed to the dealer for a diagnostic. The parts are both out of another 2003, and both BCM part numbers end in 31AC.

Assuming this fixes my issues, and the BCM was bad, will I need the dealer to flash the new BCM to my VIN/mileage/SKIM etc? Will I at least be able to start up and drive it without flashing to get it to the dealer, or will it trigger the SKIM/ASD relay? I'd appreciate any input as to what I'm in for; I'm sure someone here has swapped a BCM before.


2003 WJ in Jeep Green Metallic, 4.0/242/4.10's. 4" Teraflex springs w/ RE monotube shocks and IRO short arms, cheap intake w/ amsoil filter, 2.5" hi flow cat and back exhaust, lots of lights and other misc crap.

Check out my build thread here: Life lessons and budget build
the88thpianoman is offline  
Sponsored Links
Advertisement
 
post #2 of 6 Old 08-22-2013, 01:30 PM Thread Starter
the88thpianoman
Registered User
2003 WJ 
 
Join Date: Apr 2008
Location: Tampa
Posts: 5,251
Any insight on this? I'm just going to swap the parts as soon as I get them, but if anyone has done it I would love to know what I'm in for with having to program or not after.

2003 WJ in Jeep Green Metallic, 4.0/242/4.10's. 4" Teraflex springs w/ RE monotube shocks and IRO short arms, cheap intake w/ amsoil filter, 2.5" hi flow cat and back exhaust, lots of lights and other misc crap.

Check out my build thread here: Life lessons and budget build
the88thpianoman is offline  
post #3 of 6 Old 08-23-2013, 09:17 PM Thread Starter
the88thpianoman
Registered User
2003 WJ 
 
Join Date: Apr 2008
Location: Tampa
Posts: 5,251
One last try before I throw the parts in there tomorrow.

2003 WJ in Jeep Green Metallic, 4.0/242/4.10's. 4" Teraflex springs w/ RE monotube shocks and IRO short arms, cheap intake w/ amsoil filter, 2.5" hi flow cat and back exhaust, lots of lights and other misc crap.

Check out my build thread here: Life lessons and budget build
the88thpianoman is offline  
post #4 of 6 Old 08-23-2013, 09:56 PM
MeanGreenZJ
Web Wheeler
 
Join Date: Apr 2011
Location: Mean Street in a desperate part of town
Posts: 1,710
No flashing is needed it will run fine. Just make sure the BCM comes out of a model with or without factory alarm depending on what you have.
MeanGreenZJ is offline  
post #5 of 6 Old 08-23-2013, 10:01 PM Thread Starter
the88thpianoman
Registered User
2003 WJ 
 
Join Date: Apr 2008
Location: Tampa
Posts: 5,251
Quote:
Originally Posted by MeanGreenZJ View Post
No flashing is needed it will run fine. Just make sure the BCM comes out of a model with or without factory alarm depending on what you have.
Well, I've got no way of telling that at this point, but thank you for the answer to the dealer flash. I'm really hoping this gets me back up and running.

2003 WJ in Jeep Green Metallic, 4.0/242/4.10's. 4" Teraflex springs w/ RE monotube shocks and IRO short arms, cheap intake w/ amsoil filter, 2.5" hi flow cat and back exhaust, lots of lights and other misc crap.

Check out my build thread here: Life lessons and budget build
the88thpianoman is offline  
post #6 of 6 Old 08-23-2013, 10:10 PM
MeanGreenZJ
Web Wheeler
 
Join Date: Apr 2011
Location: Mean Street in a desperate part of town
Posts: 1,710
The good news is that on the WJ the mileage is stored in the cluster and not the BCM like in the ZJ which can not be changed.


Quote:
Originally Posted by the88thpianoman View Post
Well, I've got no way of telling that at this point, but thank you for the answer to the dealer flash. I'm really hoping this gets me back up and running.
MeanGreenZJ is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the JeepForum.com forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid e-mail address for yourself.



Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome