Jump to content
  • Sign up for FREE! Become a GM-Trucks.com Member Today!

    In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and GMC branded pickups, crossovers, and SUVs. From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. 


Happy Veterans Day!

Recommended Posts

To all Veterans on gm-trucks.com forum, we want to say thank you for your service!

We also want to offer a discount on our Traditional Tune and AutoCal V3 tuning for today!

Email [email protected] or call 877-809-4070 for more information.

  • Like 1

Share this post

Link to post
Share on other sites
On 2/6/2021 at 7:12 AM, bluemonstercali said:

8 speed

Thanks for contacting us, unfortunately we are not able to tune the 2021 models. Also if we are ever able to tune it the 2017 and newer  8 speed TCM's are locked so it would be engine only tuning. 

Share this post

Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

  • Create New...

Important Information

By using this site, you agree to our Terms of Use.