Home >> Jaguar >> 2012 >> XK 2D Convertible >> Repair and Diagnosis (Single Page) >> General Information >> DTC Index >> Diagnostic Trouble Code Index DTC: Headlamp Control Module A (HCM) -- XK/X150 >> Diagnostic Trouble Code Index DTC: Headlamp Control Module A (HCM) >> Description And Operation >> Headlamp Control Module [HCM] >> DTC B10AE-64: Headlamp Leveling Motor - Signal plausibility failure >> Possible Causes