Home >> Jaguar >> 2018 >> XJR575 >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Common Specs & Procedures >> General Information - Diagnostic Trouble Code (DTC) Index (ASCM - CJB) -- XJ/X351 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Central Junction Box (CJB) (G2574389) >> DTC B10F3-84 Left Front Position Light - Signal Below Allowable Range >> Possible Cause