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Home >> Cadillac >> 2017 >> CTS Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 185 (Cellular System, Entertainment System And Navigation System) >> Diagnostic Information and Procedures >> DTC B125C: Satellite Antenna Circuit >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  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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