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Digital Radio Antenna Circuit Malfunction

WARNING: This page is about a different car, the 2010 Saturn Outlook, 2010 GMC Acadia, 2010 Chevrolet Traverse, and 2010 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the digital radio antenna coax from the digital radio receiver (DRR). Connect the EL-48028  to the DRR. See Special Tools .
  2. Ignition ON, radio tuned to XM, verify XM reception is clear and uninterrupted.
    • If reception is not clear, replace the DRR.
  3. Ignition OFF, reconnect the antenna coax to the DRR, disconnect the digital radio antenna coax from the digital radio antenna.
  4. Ignition ON, test for 4.5-5.5 V between the antenna coax center terminal and the coax outer shield.
    • If not within the specified range, replace the antenna coax.
  5. If all circuits test normal, replace the digital radio antenna.
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