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- - how to identify a 6 speed transmission (https://67-72chevytrucks.com/vboard/showthread.php?t=607573)

sqrlnts

12-10-2013 11:24 PM

how to identify a 6 speed transmission

Hello! I am researching 09+ Silverado and Sierra trucks. I am looking for ways to identify a truck equipped with the 6L80 trans. If it has the up and down arrows on the column gearshift does this designate a 6spd? Can I tell from the VIN number?

I might add that I am looking online and not in person as for now.

Thanks in advance for your help!

AMERICAN PICK-UP

12-11-2013 06:56 PM

Re: how to identify a 6 speed transmission

Quote:

Originally Posted by sqrlnts (Post 6412353)

option code in the glove box. the 4 speed auto truck the option code is M30 the 6 speed auto the code is MYC. all of the info in on the spid code in the glove box.:gmc2:

sqrlnts

12-11-2013 11:00 PM

Re: how to identify a 6 speed transmission

Quote:

Originally Posted by AMERICAN PICK-UP (Post 6413581)

option code in the glove box. the 4 speed auto truck the option code is M30 the 6 speed auto the code is MYC. all of the info in on the spid code in the glove box.:gmc2:

Thank you for the info. I also found this info which I believe to be true.

The 4 has the standard PRNDL and 6 speed has a manumatic with push button + and - on the column. It will come up PRNDM on the dash.

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