Service Programming System (SPS) Notice
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Before programming a control module, the following must be observed, or control module damage may occur:
- The Tech 2 and the terminal must have the latest software.
- The vehicle battery must be fully charged. The battery voltage should be between 12-14 volts.
- The Tech 2 and the terminal cable connections must be secure.
- A battery charger must NOT be connected to the battery when programming a control module.