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Can you buy a tcm thats already been reprogram on a 2009 impala

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A great many modern vehicles do not have a separate transmission control module but have them incorporated into the engine/power unit management system.

If you buy a TCM as a spare part for your car it will arrive programmed and ready to go except perhaps for any security codes that might be needed.

By 2009 many cars were fully digital and computer controlled and when replacing parts dealer level diagnostic equipment is required to "tell" the car something has been replaced.
I suggest you carry out further research before you spend your money.

Posted on Nov 08, 2019

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Posted on Jan 02, 2017

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