Special Tools
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
EL-49642 SPS Programming Support Tool
For equivalent regional tools, refer to Special Tools .
Each of the following service procedures require programming or setup procedures to be performed on the communication interface module.