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Home › Jaguar › 2012 › XK 2D Convertible › Repair and Diagnosis › Quick Lookups › 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 U0300-62: Internal Control Module software incompatibility - Signal Compare Failure › Possible Causes

Possible Causes

Configuration data received over the CAN BUS is different from the stored configuration data
The Headlamp Leveling Module has previously been installed to another vehicle