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Service Programming System (SPS) Notice

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. 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.
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