× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: Who Loves a Real Challenge?
Posted to Technical Discussion Forum on 7/30/2013 2 Replies

[...trimmed text...]

The tire size calibration is set by ECM programming and can only be changed by GM Techline by writing a new ECM program. The currently installed programming is for P265/70R17 as installed.

Login to read more.

2 Replies Received (View Replies)