DTC B14B5-12: WiFi Antenna #1 - Circuit short to battery: Action
- Check that the WiFi hotspot functionality is active, if the WiFi hotspot functionality is active go to step 10. If the functionality is not available go to step 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
- Refer to the electrical circuit diagrams and disconnect the WiFi antenna cable from the WiFi antenna
- Measure the voltage between pin 1 of the WiFi antenna cable and a local ground connection on the vehicle
- If the voltage is greater than 9 volts, go to step 6, if not go to step 8
- Disconnect the WiFi antenna cable from the front infotainment control module and repeat step 4 measurement
- If the voltage is greater than 9 volts, rectify the short circuit as necessary, replace the cable and go to step 2, if not go to step 9
- Reconnect the WiFi antenna cable back to the WiFi antenna and the front infotainment control module and perform routine - On Demand Self Test (0x2020). If the fault persists install a new WiFi antenna
- 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
- Check for other Diagnostic Trouble Code(s) relating to the customer concern and follow the DTC index