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Home › Jaguar › 2016 › XF Prestige, AWD › Repair and Diagnosis › General Information › DTC Index › Diagnostic Trouble Code Index DTC: TELEMATIC Control Module (TCU) -- XF/X260 › Diagnostic Trouble Code Index DTC: Telematic Control Module (TCU) › Description And Operation › Telematics Control Module (TCU) › DTC B1A56-13: Antenna - Circuit Open › Possible Causes

Possible Causes

Poor GSM coverage
Poor sound quality sound when using Telematics services
Poor or no phone/telematics functionality
GSM antenna circuit open circuit or high resistance