Home >> Land Rover >> 2015 >> LR4 Base, AWD >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Fuel Fired Booster Heater Control Module (FFBH) -- LR4/L319 >> Diagnostic Trouble Code Index DTC: Fuel Fired Booster Heater Control Module (FFBH) >> Description Of Operation >> DTC B1D31-94: Flame Detected Prior to Normal Operation - Unexpected operation >> Possible Causes