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Home >> Land Rover >> 2021 >> Defender 110 X >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Common Specs & Procedures >> Diagnostic Trouble Code Index DTC: Infotainment Gateway Module (IGM) -- Defender/L663 >> Diagnostic Trouble Code Index - DTC: Infotainment Gateway Module (IGM) (G2805963) >> Description And Operation >> Infotainment Gateway Module (IGM) >> DTC B14B6-13: USB Port #1 - Circuit open >> Action
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DTC B14B6-13: USB Port #1 - Circuit open: Action

  1. Using a known good USB device, check the USB source is active on the screen, if the USB source is active go to step  12, if the information is not displayed 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  12
  3. Refer to the electrical circuit diagrams and disconnect USB#1 cable from the front user interface panel
  4. Measure the voltage between pin 2 of the USB#1 and a local ground connection on the vehicle
  5. If the voltage is greater than 4 volts, go to step  8, if not go to step 6
  6. Disconnect the USB#1 cable from the front infotainment control module and measure the resistance between pin 3 of the front infotainment control module harness end and pin 2 of the user interface panel harness end
  7. If the resistance is greater than 2Ω, replace the cable and go to step  2, if not go to step  11
  8. Disconnect the USB#1 cable from the front infotainment control module (if not already disconnected) and measure the resistance between pin 1 of the front infotainment control module harness end and pin 4 of the user interface panel harness end
  9. If the resistance is greater than 2Ω, replace the cable and go to step  2, if not go to step 10
  10. Reconnect the USB#1 cable back to the user interface panel and the front infotainment control module. Perform routine - On Demand Self Test (0x0202). If the fault persists, install a new user interface panel
  11. 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 12
  12. Check for other related Diagnostic Trouble Code(s) and refer to the relevant DTC index
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