Home >> Land Rover >> 2021 >> Defender 110 X-Dynamic SE >> Repair and Diagnosis >> Quick Lookups >> Common Specs & Procedures >> Diagnostic Trouble Code Index DTC: TELEMATIC Control Unit Module (TCU) -- Defender/L663 >> Diagnostic Trouble Code Index - DTC: TELEMATIC Control Unit Module (TCU) (G2400918) >> Description And Operation >> TELEMATIC Control Unit Module (TCU) >> DTC B119F-12: GPS Antenna - Circuit short to battery >> Possible Causes