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Circuit/System Testing

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the digital radio antenna coax cable from the T35FD Radio Antenna Amplifier - FM2/DAB and the A11 Radio.
  2. Verify the digital radio antenna coax cable passes the coax cable component test. Refer to Component Testing.
    • If the coax cable does not pass the test 

      Replace the antenna coax cable

    • Go to next step: If the coax cable passes the test 
  3. Replace the T35FD Radio Antenna Amplifier - FM2/DAB.
  4. Ignition ON, A11 Radio ON, tune to digital band.
  5. Verify DTC B13ED is not set as current and digital reception is improved.
    • If DTC B13ED is set as current or digital reception is not improved 

      Replace the A11 Radio.

    • Go to next step: If DTC B13ED is not set as current and digital reception is improved 
  6. All OK.
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