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Home >> Jeep >> 2023 >> Cherokee Trailhawk >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Audio (Radio) - Premium - DTCS B1562-12 To U0011-00 >> DTC Troubleshooting >> B222C-00-Vehicle Configuration Not Programmed >> Theory Of Operation

Theory Of Operation

The Radio manages the hands-free, navigation, and satellite functions of the vehicle. The Radio becomes operational after receiving a wake-up signal over the CAN-IHS data bus indicating the status of the ignition switch is On. Depending upon audio system options, the Radio can play audio from many different media sources, such as the 3.5-millimeter auxiliary (AUX) port, a universal serial bus (USB) port or through wireless Bluetooth™ audio streaming. The Radio uses a roof mounted antenna for AM/FM signal reception; and depending upon optional equipment, a roof mounted combination antenna that can receive global positioning system (GPS) and satellite radio signals.

Make sure any serviced speaker match the one being removed. The Radio uses the vehicle build configuration data (based upon sales code) to determine the audio configuration.

For additional information regarding the description of the Audio System. Refer to AUDIO/VIDEO/ENTERTAINMENT/CONNECTIVITY, DESCRIPTION .

For additional information regarding the operation of the Audio System. Refer to AUDIO/VIDEO/ENTERTAINMENT/CONNECTIVITY, OPERATION .