Home >> Jaguar >> 2014 >> XK Base, 2D Convertible >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) -- XK/X150 >> Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) >> Description And Operation >> Transmission Control Module [TCM] >> DTC P0601-41: Internal Control Module Memory Check Sum Error - General checksum failure >> Possible Causes