That appears to have worked. No ABS light on the drive to work this morning. FYI, for anyone running this setup (33 inch tall tires and 4.10 gears) I set the tuner to a 4.10 gear ratio and 25 inch tall tires. I verified with GPS on the way to work and my spedo is about 1 MPH fast at 40 MPH. IE, my ...

I have a 2008 GMC Sierra with the 5.3 engine and 33 inch tall tires running the Diablo tune.

I just put 4.10 gears in my truck and started getting the ABS light.

Using my Diablo Predator u1794 running release 9r31, I cleared the code and modified the tune to account for the 4.10 gears. After ...