PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

A4 to M6 swap what computer?

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Old Apr 5, 2005 | 06:08 PM
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Default A4 to M6 swap what computer?

Can I reflash the ECM with HP Tuners when swapping my car from an A4 to M6 or do I have to replace ECU?
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Old Apr 5, 2005 | 06:43 PM
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yes you can reflash, grab a M6 .bin file and do a full write (taking hte necessary precautions, car battery charged, cable connections good, etc...)
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Old Apr 5, 2005 | 07:14 PM
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you DON'T need to do a full write (Rewrite Entire VCM) for a trans change, just flashing the M6 calibration is fine as the Operating systems are the same.

Again, the normal "Write VCM" will work fine.

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Old Apr 5, 2005 | 07:36 PM
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you have to do a full rewrite if the operating systems are not the same between the two files you are wanting to use, If you have the same operating system on both files then you are ok... Sometimes finding a m6 file from a matching os system is a pain in the butt to do.
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Old Apr 5, 2005 | 07:46 PM
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yeah but remember to change the VIN and if serial VATs is used you need to relink the BCM as well if you take this option.

Chris..
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Old Apr 6, 2005 | 12:52 AM
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Originally Posted by gameover
you DON'T need to do a full write (Rewrite Entire VCM) for a trans change, just flashing the M6 calibration is fine as the Operating systems are the same.

Again, the normal "Write VCM" will work fine.


good info! I was under the impression you had to do a full rewrite...

Thanks Chris
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Old Apr 6, 2005 | 11:03 AM
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Originally Posted by gameover
yeah but remember to change the VIN and if serial VATs is used you need to relink the BCM as well if you take this option.

Chris..
Any additional info for relinking the BCM?
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Old Apr 6, 2005 | 05:50 PM
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Originally Posted by SMOKINV8
Any additional info for relinking the BCM?
See the help file under, Edit -> Pro Tuner Functions.
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