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Home >> Kia >> 2019 >> Optima S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 233 (Audio/Video/Navigation (AVN) System (PHEV)) >> Troubleshooting >> FM/AM Broadcasting

FM/AM Broadcasting

WARNING: This page is about a different variant/trim than selected.
  1. Features/Misdiagnose cases
    Inspection Description
    (1) System features
    1. Last played channel will continue to play after IGN ON (Last memory)
    2. BSM (Best Station Memory) mode picks strongest radio reception
    (2) Vehicle Parts configuration
    (Radio antenna type and configuration)
    G13157688Courtesy of KIA MOTORS AMERICA, INC.
    (3) Misdiagnose cases
    1. Check battery drain and B/U voltage shutdown → Last played channel may change
    2. Poor reception area → Noise due to poor reception area (Not H/U defect)
    3. Vehicle modification noise → Remove any modification before testing

    System features 

    *Vehicle parts

    1. When ACC On, last radio channel at ACC Off should be played (Last memory)
    2. When radio channel is automatically searched (Seek/Stop), radio broadcasting should be well received
    G13157689Courtesy of KIA MOTORS AMERICA, INC.
  2. Sirius XM Reception
    Inspection Description
    (1) Duplicate issue
    1. Audio output on other mode (CD, Media)
      1. If same issue occurs in different mode, check sound (Refer to 'Sound trouble shooting guide')
    2. Radio continues to play last played channel (frequency) before turning IGN off
      1. If last played channel is changed, check battery drain B/U voltage shutdown

        → Last played channel may change

    3. Radio channel (Frequency) issue when using Seek/Stop button?
      1. Part defect if Seek/Stop button fails to receive signal in a good reception environment (Antenna, H/U, feeder cable, etc.)
    (2) External/Environmental Issue
    • Poor reception area
    • Black box
    • Cable connection
    1. Move to better reception environment (Poor reception area)
      1. If this issue continues, proceed with step 2 below

        Information 

        • Bad reception by circumstances
    2. Black box (vehicle modification noise)
      1. Remove power on black box (Especially rear) and re-test
    3. Engineering mode > Care > Vehicle I/F Test/Radio (Confirm reception using different vehicles)
      1. Check reception on good reception environment: Normal if above 30db
    G13157690G13157691Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    G13157690G13157691Courtesy of KIA MOTORS AMERICA, INC.KIA MOTORS AMERICA, INC.
    (2) External/Environmental Issue
    • Poor reception area
    • Black box
    • Cable connection
    4. Check antenna cable and connection if the value for step 3 is below 30db
    1. Check antenna location and type

      Information 

      • Examples of defect of antenna and cable
    G13157692Courtesy of KIA MOTORS AMERICA, INC.
    (3) Defect caused by Ext. parts
    1. If antenna connection is good, replace antenna and feeder cable and re-test (Use certified antenna)
    (4) Check H/U defect
    1. If this issue continues, replace H/U and re-test