BCM questions (for EVIC) - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
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post #1 of 61 (permalink) Old 04-09-2007, 10:56 AM Thread Starter
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BCM questions (for EVIC)

So yes I've done some searching and I'm not exactly sure what the answer to my question is. I want all the nice menu features on my evic to work and I know that this means replacing the BCM with one that can handle that. What BCM that is is where I am stuck. I read in some threads people saying they would work in an 02+ intrepid.

Now wouldn't an 2000 300M BCM work with all the functions (I say 2000 because thats what I have) or am I going to have to use a higher year BCM. I'm prepared to wire up an extra BCM to run my EVIC or to convert the connectors to the ones for a newer BCM but I really really don't want to.



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post #2 of 61 (permalink) Old 04-09-2007, 11:39 AM
 
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You need a newer BCM. It doesn't matter what car it came from, all the 98-00 ones were the same. You'll either have to modify the wiring or buy all the harnesses from a newer car.
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post #3 of 61 (permalink) Old 04-09-2007, 11:41 AM
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Swapping BCMs would require replacing all the computers in the car, including all the wiring. It can be done, but it would be a lot of work, plus you MUST make sure that all the modules come from the same car so that they all have the same VIN programmed, otherwise it will shut down the car. I am planning on doing this myself, but I am waiting for my yard to get a good donor in to take everything I need.

Using a piggyback to run just the EVIC may or may not work, I know a couple members have done that for their steering wheel controls, but I'm not sure if anyone has done it for the EVIC. It's a possibility.

But to answer your question of year, you might as well do an 02+ if you're going to do it, then you could use ALL the features, including some of the newer ones.
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post #4 of 61 (permalink) Old 04-09-2007, 11:56 AM
 
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Quote:
Originally Posted by Gigamight
Swapping BCMs would require replacing all the computers in the car, including all the wiring. It can be done, but it would be a lot of work, plus you MUST make sure that all the modules come from the same car so that they all have the same VIN programmed, otherwise it will shut down the car. I am planning on doing this myself, but I am waiting for my yard to get a good donor in to take everything I need.

Using a piggyback to run just the EVIC may or may not work, I know a couple members have done that for their steering wheel controls, but I'm not sure if anyone has done it for the EVIC. It's a possibility.

But to answer your question of year, you might as well do an 02+ if you're going to do it, then you could use ALL the features, including some of the newer ones.
I don't see any way you could use a 2nd BCM for the evic because unlike the steering wheel control, that BCM would need to not only need to connect to the EVIC, but all the car's other systems as well.
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post #5 of 61 (permalink) Old 04-09-2007, 12:06 PM
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You could swap in a 2001 BCM. It would require some massive wiring changes. You would then have to replace some other modules. If you have a pal with a DRB III at the dealer, you could probably install the new BCM there, and have him come out and blank it and put in your VIN number. That would work in theory, I'm sure its never been done.

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post #6 of 61 (permalink) Old 04-09-2007, 12:08 PM
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Also, piggy backing a BCM won't do anything, as the EVIC needs to read all the systems, i don't think it would even show the temp doing that method.

The only uses for an extra BCM are, Radio controls, and also a second set of heated seats, or making the back seats heated...and good luck with that one.

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post #7 of 61 (permalink) Old 04-09-2007, 12:13 PM
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If your car doesn’t have all the memory features/options installed, they may not even appear on the EVIC menu.
BCMs 2001+ later are programmed for the EVIC functions.
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post #8 of 61 (permalink) Old 04-09-2007, 03:29 PM
 
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If I recall, TFC has done the post 02 BCM in a pre 02 swap...........

Required some "reprogramming" of the bcm plug and the addition of some wiring for the new BCM.

I recall he did not recommend it to anyone else (PITA factor).

TFC, you out there?

I wouldn't mind a little write up on how you did it if you can. I'd like to be able to use all the functions of my evic with my 2000......

No worries if it's too much trouble though.

Cheers

BJ
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post #9 of 61 (permalink) Old 04-09-2007, 03:48 PM
 
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Quote:
Originally Posted by Great White
If I recall, TFC has done the post 02 BCM in a pre 02 swap...........

Required some "reprogramming" of the bcm plug and the addition of some wiring for the new BCM.

I recall he did not recommend it to anyone else (PITA factor).

TFC, you out there?

I wouldn't mind a little write up on how you did it if you can. I'd like to be able to use all the functions of my evic with my 2000......

No worries if it's too much trouble though.

Cheers

BJ
He did do it. We've discussed it several times. If he says something is too difficult, it's not something I would want to try!
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post #10 of 61 (permalink) Old 04-09-2007, 04:24 PM
 
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AFAIK he was talking about my install of a newer body harness spliced in to an 99' BCM using the old connectors. We had some glitches st first such as the fuel sending unit not readig correctly and the gear indicator also. After a couple of wires were changed over and some splicing too , everything worked as it should have.
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post #11 of 61 (permalink) Old 04-09-2007, 05:45 PM Thread Starter
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I can do wiring, so while it may not be a project that I'm going to jump into tomorrow, I still would like to know how to do it.
So here's the questions:
1. As I understand it I must have an 02 or newer BCM, but there are still two versions of BCM there so does anybody know the part number I need for the right one.
2. Do I really have to get my vin programmed into it, and if so would the easiest way to get a dealer to do it to order a new bcm through them and have them program it to give it to me?
3. As far as wiring goes, its all the same wires going into/out of the BCM, just different connectors right? If so then I just need to take my time and figure out what every wire in the connectors is on both, then I'll have all the info I need to switch the wires.



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post #12 of 61 (permalink) Old 04-09-2007, 06:20 PM
 
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Quote:
Originally Posted by CaptainMorgan
2. Do I really have to get my vin programmed into it, and if so would the easiest way to get a dealer to do it to order a new bcm through them and have them program it to give it to me?
.
Not unless you have an antitheft system from factory, (grey chipped key)or you care if the mileage shown isn't your actual mileage.

Quote:
Originally Posted by CaptainMorgan
3. As far as wiring goes, its all the same wires going into/out of the BCM, just different connectors right? If so then I just need to take my time and figure out what every wire in the connectors is on both, then I'll have all the info I need to switch the wires.
.
Pretty much, it's just a question of figuring out what goes where and a whole lot of patience (wich Ross has plenty of...LOL if it was for me I would have kicked the BCM into submission , not that it would have worked anyway..)
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post #13 of 61 (permalink) Old 04-09-2007, 07:33 PM
 
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I'm handy at wiring myself (and reprograming pinouts, I wire aircraft for a living), but I seem to recall TFC saying some wiring had to be added as well.

I guess we really need the expert to weigh in here......

TFC.......You out there?

Cheers

BJ
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post #14 of 61 (permalink) Old 04-09-2007, 07:42 PM Thread Starter
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Well I don't have a sentry key or alarm or any of that factory jazz (I find it to be just annoying) so that would mean that I don't need my vin, and would just need the mileage programmed into it.

I really wonder what wires would have to be added, because there aren't any extra features in the car that would add wires, and all the plugs to the other stuff in the car with the exception of a few things would be the same. I would imagine that its just a pain in the ass to figure out which pins are what on the connectors, but hopefully if its been done then that could make my life easier. I'm gonna look in the FSM to see if its got anything.



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post #15 of 61 (permalink) Old 04-09-2007, 08:55 PM
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Ok...I don't know where you guys are coming at with the mileage stuff. In the FSM when replacing the BCM the ONLY notice it gives is to reactivate the VTSS. It says nothing of reprogramming the mileage. So the impression I'm getting on this whole idea is...

2001 was the first year of the EVIC and radio controls, so I'm guessing 2001-2004 BCMS would work properly. Since 2001 was the final year with the old PCM-TCM set up, I would suggest using that year.

Once you get done re-pinning the BCM position wires to match the 2001+ BCM plugs, I would then install the BCM plug it in..and see if it works.

NOW...this will NOT work in a car that has had VTSS. If the car has VTSS, the new BCM will have to have that information programmed into it.

However, if you were you were to get a BCM out of a 2001 SE and install it into a 99 SE. Both cars would not have VTSS, and the swap should be fine.

--Gorm
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