Home >> Land Rover >> 2017 >> Range Rover Autobiography >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index V8 S/C 5.0L Petrol, DTC: Powertrain Control Module (Pcm) -- Range Rover/L405 >> Diagnostic Trouble Code Index V8 SC 5.0L Petrol, DTC Powertrain Control Module >> Description And Operation >> DTC P1338-38: Fuel Pump Driver Module Communication Circuit (Fuel Pump Driver Module) - Signal frequency incorrect >> Possible Causes