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Home >> Buick >> 2012 >> Regal GS, Standard Trans >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information and Procedures >> DTC B125C >> Circuit/System Verification
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Circuit/System Verification

  1. With the vehicle outside in an area with an unobstructed view of the southern sky, tune to XM.
  2. Verify DTC B125C is not set as current and the No XM Signal message is not displayed on the radio.
    • If DTC B125C is set as current or the No XM Signal message is displayed. 

      Refer to Circuit/System Testing .

    • If DTC B125C is not set as current and the No XM Signal message is not displayed. 
  3. All OK.
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