Home >> Jaguar >> 2014 >> XF Base >> Repair and Diagnosis (Single Page) >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code: Rear Junction Box (RJB) -- XF/X250 >> Diagnostic Trouble Code (DTC) IndexDTC: Rear Junction Box (RJB) >> Description And Operation >> DTC B123A-15: Left Front Turn Indicator - Circuit short to battery or open >> Possible Causes