Home >> Jaguar >> 2016 >> XF Prestige, RWD >> 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 B1A56-12: Antenna - Circuit Short To Battery >> Possible Causes