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 P0606-48: Control Module Processor - Supervision software failure › Possible Causes