2019 Kia Sorento LFACTORY OEM SERVICE PROCEDURE

System Features

WARNING: This page is about a different car, the 2020 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.

*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
Fig 1: AVN System Features Components Location
G12883674Courtesy of KIA MOTORS AMERICA, INC.
  1. 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 ')
  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
      Fig 2: Checking Radio Frequency Area
      G12883675Courtesy of KIA MOTORS AMERICA, INC.
  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
      Fig 3: Screen Display - Engineering Mode
      G12883676Courtesy of 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
    Fig 4: Checking Antenna Cable And Connection
    G12883677Courtesy 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
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.