Home >> Jaguar >> 2012 >> XJ L >> Repair and Diagnosis >> General Information >> DTC Index >> Diagnostic Trouble Code (DTC) Index DTC: Anti-Lock Brake System Control Module (Abs) -- XJ/X351 >> DIAGNOSTIC TROUBLE CODE (DTC) INDEX DTC: Anti-Lock Brake System Control Module (ABS) >> Description And Operation >> Anti-Lock Brake System Control Module (Abs) >> U201A-55 Control Module Main Calibration Data - Not configured >> Possible Causes