Home >> Land Rover >> 2014 >> Range Rover Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Diagnostic Trouble Code Index V6 S/C 3.0L Petrol, DTC: Powertrain Control Module (Pcm) -- Range Rover/L405 >> Diagnostic Trouble Code Index V6 SC 3.0L Petrol, DTC Powertrain Control Module >> Description And Operation >> DTC P0606-86: Control Module Processor - Signal invalid >> Possible Causes