Home >> Jaguar >> 2017 >> XF S, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Diagnostic Trouble Code Index V6 S/C 3.0L Petrol, DTC: Powertrain Control Module (Pcm) -- XF/X260 >> Diagnostic Trouble Code IndexV6 S/C 3.0L Petrol, DTC: Powertrain Control Module (PCM) >> Description And Operation >> Powertrain Control Module (Pcm) - V6 3.0L S/C Petrol >> DTC P0483-37: Fan Rationality Check - Signal frequency too high >> Possible Causes