Home >> Jaguar >> 2015 >> XJR Base >> Repair and Diagnosis >> General Information >> DTC Index >> Diagnostic Trouble Code (DTC) Index DTC: Transfer Case Control Module (TCCM) -- XJ/X351 >> Diagnostic Trouble Code (DTC) Index DTC: Transfer Case Control Module (TCCM) >> Description And Operation >> Transfer Case Control Module (TCCM) >> U3006-13 Control Module Input Power "A" - Circuit open >> Possible Causes