Home › Land Rover › 2014 › LR2 Base › Repair and Diagnosis › Engine Performance › Engine Control Systems › Diagnostic Trouble Code Index GTDI 2.0L Petrol, DTC: Engine Control Module (ECM) -- LR2/L359 › Diagnostic Trouble Code Index GTDi 2.0L Petrol, DTC: Engine Control Module (ECM) › Description And Operation › DTC P061D-42: Internal Control Module Engine Air Mass Performance - General memory failure › Possible Causes