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Home >> Pontiac >> 2007 >> Grand Prix Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 103 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B1780 >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool clear the Radio Theft Information.
    • If the DTC resets, replace the radio.