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I have a 2006 Pontiac G6 GTP 3.9L V6. Autozone says it's a 4T45-E, but I've seen other things that say it is 6-speed trans & not a 4-speed like the 4T45.
 

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Does that mean where you shift the gears yourself? I have that but cant remember what it went up to and now it only goes into1st and 2nd gear on auto. It won't do anything in manual. Won't even show up on the dash either. Any other way to know?
 

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It was either a 4 speed auto or 6 speed manual on your year model. The 6 speed auto didn't hit until the 3.6l came around the following year. And then there was no more manual option.
 

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It the 4t45-e. If you drive it, you will be able to shift 1,2,3,4. Stopped, you will only be able to hit 1-2.




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