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4t65hd swap

 
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blownimpala00
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2000 Chevrolet Impala


PostPosted: Wed Nov 20, 2013 3:15 pm    Post subject:  4t65hd swap Reply with quote

I'm doing an L67 AND 4T65hd swap do I need change my bcm as well
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Pitch Black SS
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2004 Chevrolet Impala
1982 Chevrolet Malibu
2007 Chrysler 300C
1986 Chevrolet Monte Carlo


PostPosted: Wed Nov 20, 2013 3:52 pm    Post subject:  Re: 4t65hd swap Reply with quote

blownimpala00 wrote:
I'm doing an L67 AND 4T65hd swap do I need change my bcm as well


as long as the VIN in the BCM matches the PCM, you should be good to go. The BCM doesnt control anything on the motor or trans.

You will need a new PCM to match the motor and the trans. Just have it programmed with the vehicles VIN so it matches

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Frank
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PostPosted: Wed Nov 20, 2013 6:01 pm    Post subject:   Reply with quote

^^^ this

The BCMs are program once only. The VIN in the BCM and the PCM need to match and since you can't reprogram the BCM, it's far easier to use a tuner to program the VIN from the car (and thus, the BCM) into the PCM that comes with the 'new' motor.

When you have the VIN programmed into the PCM, make sure all the letters are in UPPER CASE. If not, the VINs will not match and you won't be able to start the car. You will also need to do the 30 minute security relearn procedure, but after you complete that the car should start and run.

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blownimpala00
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PostPosted: Mon Nov 25, 2013 12:30 am    Post subject:   Reply with quote

Great thanks for the help guys. I plan on running an overkill pcm anyway so I have will take care of the vin
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