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4.3 5.3 swap is almost complete!! PICS

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Old 08-01-2011, 09:39 AM
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What about the computer??? Did you have the original reflashed or are you trying to use the donor pcm from the v8 harness???
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Old 08-01-2011, 04:15 PM
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Originally Posted by 1FastBrick
What about the computer??? Did you have the original reflashed or are you trying to use the donor pcm from the v8 harness???
I'm using the donor pcm from the v8 harness
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Old 08-01-2011, 04:52 PM
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Originally Posted by kr1s
I'm using the donor pcm from the v8 harness
It is in anti theft mode then. It is not recogniseing the donor pcm because it has a different vin number. The body control module does not recognize it
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Old 08-01-2011, 06:15 PM
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Originally Posted by 1FastBrick
It is in anti theft mode then. It is not recogniseing the donor pcm because it has a different vin number. The body control module does not recognize it
hmmm ill look into that
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Old 08-01-2011, 06:16 PM
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You will either have to have the engine calibration flashed into your original pcm or have the donor pcm update with your vin and or have the VATS removed.
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Old 08-01-2011, 08:31 PM
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How do you remove the VATS?
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Old 08-01-2011, 08:33 PM
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getting codes Pcm p1631
and pcm p0118
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Old 08-01-2011, 11:42 PM
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Originally Posted by rjwz28
How do you remove the VATS?
VATS= Vehical Anti Theft System. It's in the pcm programming has to be removed in the tune.
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Old 08-01-2011, 11:58 PM
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Originally Posted by kr1s
getting codes Pcm p1631
and pcm p0118
P1631 is a code for the anti theft. Basically its not recognizing the password from the PCM to the BCM as I mentioned before. The PCM and the BCM talk with eachother before allowing the car to start. That's how the anti theft works.

The P0118 is for ect sensor. Electronic Coolant Temp Sensor. Make sure its pluged in all the way. If its truely bad there about 20....
Last edited by 1FastBrick; 08-02-2011 at 12:05 AM.
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Old 08-02-2011, 02:29 AM
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Yeah I know what VATS is, I just wasn't sure if that was purely tune related or otherwise.
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