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Home >> Land Rover >> 2020 >> Defender 110 S >> Repair and Diagnosis >> General Information >> Specifications Index >> Diagnostic Trouble Code Index DTC: Infotainment Compute Control Module (ICCM) -- Defender/L663 >> Diagnostic Trouble Code Index - DTC: Infotainment Compute Control Module (ICCM) (G2400897) >> Description And Operation >> Infotainment Compute Control Module >> DTC B14B4-13: Bluetooth® Antenna #1 - Circuit open >> Action
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DTC B14B4-13: Bluetooth® Antenna #1 - Circuit open: Action

  1. Check that the Bluetooth® functionality is available by attempting to pair a mobile phone to the vehicle, if the Bluetooth® is working go to step  10. If the functionality is not available go to step 2
  2. Using the Jaguar Land Rover approved diagnostic equipment, perform routine - On Demand Self Test (0x0202) and read the Diagnostic Trouble Code(s). If the DTC is set go to step 3, if the DTC is no longer set go to step  10
  3. Refer to the electrical circuit diagrams and disconnect the Bluetooth® antenna cable from the Bluetooth® antenna
  4. Measure the voltage between pin 1 of the Bluetooth® antenna cable and a local ground connection on the vehicle
  5. If the voltage is greater than 2.5 volts, go to step  8, if not go to step 6
  6. Disconnect the Bluetooth® antenna cable from the front infotainment control module and measure the resistance between pin 1 at each end of the Bluetooth® antenna cable
  7. If the resistance is greater than 1Ω, replace the cable and go to step  2, if not go to step  9
  8. Reconnect the Bluetooth® antenna cable back to the Bluetooth® antenna and the front infotainment control module and perform routine - On Demand Self Test (0x2020). If the fault persists install a new Bluetooth® antenna
  9. Check the front infotainment control module software release notes to see if a repair is available and update the front infotainment control module and repeat step  2. If no software update is available go to step 10
  10. Check for other Diagnostic Trouble Code(s) relating to the customer concern and follow the DTC index
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