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Home >> Pontiac >> 2009 >> G8 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 20 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B1023 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2008 Pontiac G8. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify DTC 1023 is not set.
    • If the DTC is set, clear the DTC. If the DTC resets, replace the driver information display.
  2. Using the scan tool, select the data display under radio. Press any button on the driver information display. Verify that the radio button parameter displays the button being pressed.
    • If the parameter does not display the button pressed, replace the driver information display.
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