Home >> Land Rover >> 2013 >> Range Rover HSE >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Body Control Module (BCM) -- Range Rover/L405 >> Diagnostic Trouble Code Index DTC: Body Control Module (BCM) >> Description And Operation >> DTC B13D4-85: Right Daytime Running Lamp And Position Lamp Control - Signal above allowable range >> Possible Causes