Home >> Land Rover >> 2015 >> LR4 HSE, AWD >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Automatic Temperature Control Module (ATC) -- LR4/L319 >> Diagnostic Trouble Code Index DTC: Automatic Temperature Control Module (ATC) >> Description And Operation >> DTC B103A-01: Right Front Seat Heater Sensor - General electrical failure >> Possible Causes