Home >> Jaguar >> 2014 >> XK Base, 2D Convertible >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Diagnostic Trouble Code Index DTC: Instrument Cluster (IPC) -- XK/X150 >> Diagnostic Trouble Code Index DTC: Instrument Cluster (IPC) >> Description And Operation >> Instrument Panel Cluster [IPC] >> DTC P0635-44: Power steering control circuit - Data memory failure >> Possible Causes