Home › Land Rover › 2016 › LR4 Base › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index V6 S/C 3.0L Petrol, DTC: Engine Control Module (ECM) -- LR4/L319 › Diagnostic Trouble Code Index V6 S/C 3.0L Petrol, DTC: Engine Control Module (ECM) › Description Of Operation › DTC P064E-86: Internal Control Module O2 Sensor Processor Performance - Bank 2 - Signal invalid › Possible Causes